Baumuller BFN 3-1-0007-001 manual 

Instruction handbook
Read the Instruction handbook before starting!
Language English
Translation
Document-No. 5.09010.03
Part No. 442335
Version 1-Mar-2018

Mains filters 
BFN - 3 - 1 - ...
Filters for 
mains applications
E5.09010.03

Copyright This Instruction handbook may be copied by the owner in any quantity, but only for internal
use. This Instruction handbook may not be copied or reproduced, in whole or in part, for any
other purposes.
The use and disclosure of information contained in this Instruction handbook are not permit-
ted.
Designations and company marks contained in this Instruction handbook could be trade-
marks, the use of which by third parties for their own purposes could violate the rights of the
rights holder.
Preliminary information
Warning Insofar as this document is identified as being preliminary information, the following
applies:
this version is regarded as providing advance technical information to users of the described
devices and their functions at an early enough time in order to adapt to any possible changes
or expanded functionality. 
This information must be regarded as being preliminary, as it has not yet passed through
Baumüller's internal review process. In particular, this information is still subject to changes,
thus no legal liability can be derived from this preliminary information. Baumüller assumes no
liability for damages that might arise from this possibly faulty or incomplete version. 
If you detect or suspect any content errors and/or major form errors in this preliminary infor-
mation, we request that you notify the Baumüller support specialist responsible for you.
Please provide us, via this employee, with your insights and comments so that we can take
them into account and include them when transitioning from the preliminary information to
the final information (as reviewed by Baumüller). 
The conditions stipulated in the following section under „Obligatory“ are invalid in case of pre-
liminary information.
Obligatory This Instruction handbook is a part of the equipment/machine. This Instruction handbook
must be available to the operator at all times and must be in legible condition. If the equip-
ment/machine is sold or moved another location, this Instruction handbook must be passed
on by the owner together with the equipment/machine.
After any sale of the equipment/machine, this original and all copies must be handed over to
the buyer. After disposal or any other end use, this original and all copies must be destroyed.
When the present Instruction handbook is handed over, corresponding sets of Instruction
handbooks of a previous version are automatically invalidated. 
Please note that the specifications/data/information are current values according to the
printing date. These statements are not legally binding with regard to measurements,
computation or calculations.
Baumüller Nürnberg GmbH reserves the right, in developing its products further, to change
the technical specifications and handling of it products concerned without prior notice.
No liability can be accepted concerning the correctness of this Instruction handbook unless
otherwise specified in the General Conditions of Sale and Delivery.
Baumüller Nürnberg GmbH
Ostendstr. 80 - 90
90482 Nuremberg
Germany
Tel. [phone] - 0 
Fax: [phone] - 1 30
Email : [email protected]
Internet: www.baumueller.de

Instruction handbook Mains filters BFN
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Table of Contents
Table of Contents
1 General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Information on this Handbook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3 Limitation of liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Copyright protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.5 Other applicable documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.6 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.7 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.8 Guarantee provisions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.9 Customer service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.10 Used terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Contents of Instruction handbook . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 Changes and modifications to the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Proper usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.4 Responsibility of the operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.5 Personnel training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.6 Personal protective equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.7 Special hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.8 Fire fighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.9 Safety equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.10 Behavior in case of danger or accidents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.11 Signs and labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1.1 System types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1.2 Requirements to the energy supply: power supply . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.1.3 Required environmental conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2.1 Baumüller filters for TN/TT-systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2.2 Filters for active mains inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.2.3 Filters for IT-systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.3 Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.4 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.4.1 Filters for TN/TT-systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.4.2 Filters for IT-systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4 Description of the devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.1.1 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.1.2 Block diagram filters for mains applications (simplified) . . . . . . . . . . . . . . . . . . . . . . 36
4.2 Type plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.3 Type code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Table of Contents
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5 Transport and packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.1 Safety notes for transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.2 What to observe at transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.3 Transport inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.4 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.5 Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6 Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.1 Safety notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.2 Prepare mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.3 Mounting instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.1 Safety notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.2 Demands on the electrical mains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
7.3 Demands on the connection cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
7.4 Grounding conductor connection and RCD-compatibility . . . . . . . . . . . . . . . . . . . . . . 48
7.5 System requirements with regard to EMC-stability . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.5.1 General information about converters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.5.2 Measures taken to assure EMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
7.6 Procedure of the installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7.7 Connection diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.1 Safety notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.2 Environmental conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
8.3 Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
9 Spare Parts and Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
9.1 Mains filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
9.2 Screening terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
10 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
10.1 Disposal facilities/authorities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Overview of Revisions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

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1GENERAL INFORMATION
1.1 Information on this Handbook
This Handbook provides important information on handling the device. A prerequisite for
safe work is compliance with all specified safety notes and procedural instructions.
Additionally, the valid accident prevention regulations and general safety regulations ap-
plicable to the scope of application the device must be complied with.
Read this Handbook, particularly the safety notes chapter, completely before beginning
any work on the device. This Instruction handbook is part of the product and must be kept
accessible to personnel at all times in the immediate vicinity of the device.

Key to symbols
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1.2
1.2 Key to symbols
Warning notes
Warning notes are identified as symbols in this Handbook. The notes are introduced by
signal words that express the extent of the danger.
It is imperative that these notes be complied with and are conscientiously regarded in or-
der to prevent accidents, personal injury and material damage.
Recommendations
DANGER!
....points out an immediately dangerous situation that will lead to severe injuries or
death if not avoided.
WARNING!
....points out a potentially dangerous situation that could lead to severe injuries or
death if not avoided.
ATTENTION!
....points out a potentially dangerous situation that could lead to minor or slight inju-
ries if not avoided.
NOTICE!
....points out a potentially dangerous situation that could lead to material damage if
not avoided.
NOTE!
....highlights useful tips and recommendations, as well as information for efficient and
problem-free use.

General Information
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1.3 Limitation of liability
All specifications and notes in these Instruction Handbook were compiled taking into ac-
count the applicable standards and regulations, the State of the Art and our knowledge
and experience of many years.
The manufacturer assumes no liability for damages due to:
mNoncompliance with the Instruction Handbook
mUsage for other than the intended purpose
mUsage by untrained personnel
The actual scope of delivery can vary in case of optional equipment, laying claim to addi-
tional order options, or on account of the latest technical changes to the explanations and
representations described herein.
The user bears the responsibility for performing service and initial operation in accor-
dance with the safety regulations of the applicable standards and all other relevant gov-
ernmental or local regulations concerning the dimensioning and protection of conductors,
grounding, disconnectors, overcurrent protection, etc.
The person who carried out the mounting or installation is liable for any damage incurred
when assembling or connecting the device.
1.4 Copyright protection
The Instruction Handbook must be treated confidentially. It is to be used exclusively by
personnel who work with the device. The consignment of the operating instructions to
third persons without the written permission of the manufacturer is prohibited.
1.5 Other applicable documents
Components of other manufacturers are integrated into the device. For these purchased
parts a risk analysis has been performed by the respective manufacturers. The compli-
ance of the design construction with the applicable European and national regulations
has been declared for the components by the respective manufacturers.
NOTE!
The specific contents, text, drawings, images and other representations are copy-
righted and subject to industrial property rights. Any prohibited usage is punishable
by law.

Spare parts
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1.6
1.6 Spare parts
mOnly use original spare parts of the manufacturer.
Procure spare parts through an authorized dealer or directly from the manufacturer.
See also ZSpare Parts and Part Numbers– on page 59.
1.7 Disposal
Insofar as no take-back or disposal agreement has been made, please disassemble units
correctly and properly recycle the constituent parts.
See ZDisposal– on page 63.
1.8 Guarantee provisions
The guarantee provisions are stated in a separate document of the sales documents.
The devices described herein may only be operated in accordance with the stipulated
methods, procedures and conditions. Anything else not presented here, including the op-
eration of devices in mounted positions, is not permitted and must be cleared with the
plant on a case-by-case basis. If the devices are operated in any other manner than as
described within these Instruction Handbook, then all guarantee and warranty rights are
rendered null and void.
1.9 Customer service
Our customer service is available to provide you with technical information.
Info on the responsible contact persons is available at all times via telephone, fax, e-mail
or the internet.
1.10 Used terms
The terms „Device“ or „BFN“ are used for the Baumüller product „Mains filters“.
WARNING!
False or flawed spare parts can lead to damage, malfunction or complete fail-
ure, thus endangering safety.
Therefore:

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2SAFETY
This section provides an overview of all of the important safety aspects for optimum pro-
tection of personnel as well as for the safe and problem-free operation.
2.1 Contents of Instruction handbook
Each person who is tasked with performing work on or with the device must have read
and understood the operating instructions before working with the device. This also ap-
plies if the person involved with this kind of device or a similar one, or has been trained
by the manufacturer.
2.2 Changes and modifications to the device
n order to prevent hazards and to ensure optimum performance, no changes, additions
or modifications may be undertaken on the device that have not been explicitly approved
by the manufacturer.
2.3 Proper usage
mObserve all specifications of the Instruction Handbook.
mWhen configuring, ensure that the device is always operated within its specifica-
tions.
mThe device may only be operated in a technically flawless condition.
A device of the series BFN limits the electrical interferences of the Baumüller converter
in the power supply.
WARNING!
Danger by Inappropriate Use!
Any use that goes beyond the intended purpose and/or any non-compliant use of the
device can cause dangerous situations.
Therefore:

Responsibility of the operator
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2.4
2.4 Responsibility of the operator
The device will be used in commercial areas. Thus, the proprietor of the device is subject
to the legal work safety regulations.
Along with the notes on work safety in these operating instructions, the safety, accident
prevention and environmental protection regulations valid for the area of application of
this device must be complied with. Whereby:
mThe proprietor must inform himself about the applicable work health and safety regu-
lations and ascertain, in a risk analysis, any additional hazards that could arise from
the special working conditions in the use area of the device. These must then be im-
plemented in the form of operating instruction for operation of the device.
mThese operating instructions must be kept accessible to personnel working with the de-
vice at all times in the immediate vicinity of the device.
mThe specifications of the operating instructions must be adhered to completely and
without exception!
mThe device may only be operated in a technically faultless and operationally safe con-
dition
2.5 Personnel training
mCertain activities can only be performed by the persons stated in the respective
chapters of these Instruction Handbook.
In this Instruction Handbook the following qualifications are stipulated for various areas of
activity:
Operating 
personnel
nThe drive system may only be operated by persons who have been specially trained,
familiarized and authorized.
nTroubleshooting, maintenance, cleaning, maintenance and replacement may only
be performed by trained or familiarized personnel. These persons must be familiar
with the operating instructions and act accordingly.
nCommissioning and training may only be performed by qualified personnel.
Qualified 
personnel
nElectrical engineers authorized by Baumüller Nürnberg GmbH, and qualified electri-
cians of the customer or a third party who have learned to install and maintain
Baumüller drive systems and are authorized to ground and identify electrical power
circuits and devices in accordance with the safety engineering standards of the com-
pany.
nQualified personnel have had occupational training or instruction in accordance with
the respective locally applicable safety engineering standards for the upkeep and
use of appropriate safety equipment.
WARNING!
Risk of injury due to insufficient qualifications!
Improper handling can lead to significant personal injury and material damage.
Therefore:

Safety
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2.6 Personal protective equipment
The wearing of personal protective equipment is required when working in order to mini-
mize health and safety risks.
mThe protective equipment necessary for each respective type of work shall always be
worn during work.
mThe personal safety signs presented in each working area must be observed!
Wear for special
work.
Protective work clothing
must be snug-fitting work clothes, with low tearing resistance, narrow sleeves and
with no extending parts. Wear hair net.
No rings or necklaces.
Hard hat
Protects against objects falling down and flying around objects.
Safety shoes
Protects against heavy objects falling down.
Protective gloves
Protects hands against friction, abrasion, puncturing or more severe injuries, as well
as contact with hot objects.
Protection eye wear
Protect the eyes against flying around objects and splashing liquids.

Special hazards
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2.7
2.7 Special hazards
In the following section, the remaining marginal risks will be stated that have been iden-
tified as a result of the risk analysis.
Observe the safety notes listed here and the warning notes in the further chapters of this
manual to reduce health risks and dangerous situations.
Electrical current
Danger from 
residual energy
DANGER!
Risk of fatal injury from electrical current!
There is an immediate risk of fatal injury if live electrical parts are contacted. Damage
to the insulation or individual components can be life-threatening.
Therefore:
mSwitch off the power supply immediately in case of damage to the power supply
insulation.
mOnly allow work on the electrical system to be performed by qualified personnel.
mSwitch off the current when any kind of work is being performed on the electrical
system and ensure safety before switching on again.
mThe device must be operated in a control cabinet. The control cabinet must protect
against direct contact. It must conform to the EN 61800-5-1, chapter 4.2.3.3.
DANGER!
Risk of fatal injury from electrical current!
Stored electric charge.
Discharge time of the drive system = discharge time of the device with the longest
DC-link discharging time.
Therefore:
mConsider discharge time of the capacitor and do not contact energized parts
mThe instructions on the device must be observed.

Safety
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2.8 Fire fighting
2.9 Safety equipment
2.10 Behavior in case of danger or accidents
Preventive mea-
sures
mAlways be prepared for accidents or fire!
mKeep first-aid equipment (e.g. first-aid kits, blankets, etc.) and fire extinguishers handy.
mAcquaint personnel with accident alarm, first aid and rescue equipment
And if something
does happen: 
respond properly
mStop operation of the device immediately with an EMERGENCY Stop.
mInitiate first aid measures.
mEvacuate persons from the danger zone
mNotify the responsible persons at the scene of operations.
mAlarm medical personnel and/or the fire department.
mKeep access routes clear for rescue vehicles.
DANGER!
Risk of fatal injury from electrical current!
Electricity when using a conductive fire fighting appliance.
Therefore:
mUse the following fire fighting device:

ABC powder / CO2
WARNING!
Risk of fatal injury due to non-functional safety equipment!
Safety equipment provides for the highest level of safety in a facility. Even if safety
equipment makes work processes more awkward, under no circumstances may they
be circumvented. Safety can only be ensured by intact safety equipment.
Therefore:
mBefore starting to work, check whether the safety equipment in good working order
and properly installed.

Signs and labels
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2.11
2.11 Signs and labels
The following symbols and information signs are located in the working area. They refer
to the immediate vicinity in which they are affixed.
WARNING!
Risk of injury due to illegible symbols!
Over the course of time, stickers and symbols on the device can become dirty or oth-
erwise unrecognizable.
Therefore:
mMaintain all safety, warning and operating labels on the device in easily readable
condition.
Electrical voltage
Only qualified personnel may work in the marked workspace.
Unauthorized persons may not touch the marked working materials.
DANGER!
Risk of injury due to hot surface!
The surfaces of the device can heat up to temperatures of > 70°C!
Therefore:
mWear protective gloves


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Instruction handbook Mains filters BFN
Document No.: 5.09010.03
3TECHNICAL DATA
3.1 Operating conditions
3.1.1 System types
There is a differential structure of current supply systems and it is distinguished between
three basic types, referring to their grounding, which is accordant to DIN VDE0100 part
300 and accordingly to IEC 60364:
mIn a TN-system one point is directly grounded (signal ground). The cabinet of the elec-
trical installation is connected via protective conductors and accordingly PE-conduc-
tors with this point.
mIn a TT-system a point is directly grounded (signal ground). The cabinet of the electric
installation is connected to ground connections, which, however, are separated from
the signal ground.
mIn an IT-system there is no direct connection between active conductors (L1, L2, L3,
N) and grounded parts (PE). The cabinets of the electrical installation are grounded.
The separation is reached, by the use of an isolating transformer or with the use of an
independent current source (generator, battery).
If there is an adequate low-impedance grounding within the TN- or the TT-system, then
a line-side fuse is activated. A high-impedance grounding does not activate the fuse, so
that the ground currents (error current) can be potentially dangerous. For this reason, cir-
cuit breakers are used for the error current monitoring.
At a short-circuit to ground, no ground current can flow and the line-side fuses cannot be
activated, by which the operation can be kept up. Only a second short-circuit to ground at
another phase would cause an current error, which can trigger a fuse. In order to detect
the first short-circuit to ground an insulation monitor and for the second short-circuit to
ground, a current error monitoring, are necessary.
Supported system types
NOTICE!
The operation of the mains filters BFN is possible with IT- and TN/TT-systems.

Operating conditions
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3.1
3.1.2 Requirements to the energy supply: power supply
Power supply system
(see ZSystem types– from
page 15)
BFN 3-1-XXXX-X01Industrial system with high- or low-impedance
star point (TN-system or TT-system)
BFN 3-1-XXXX-X02Industrial system with no star point or a high-
impedance star point (IT-system)
Industrial system with a direct or low impedance
grounded junction of phases
(grounded delta wye)
Rated input supply voltage/frequency (UAC) 3 x 400 V 50/60 Hz
3 x 480 V 50/60 Hz
Absolute input supply voltage (UAC) max. 3 x 528 V / 50/60 Hz
Absolute frequency maximum 63 Hz
Harmonic frequencies (mains voltage)
EN 61800-3, chapter 5.2.2.1, table 2
THDUb10 %
Mains voltage asymmetry
EN 61000-2-4, table 1
max. 3 %
Commutation notches
EN 61800-3, chapter 5.2.2.1, table 2
Notch depth < 40%, area < 250% x degree
Voltage drops
EN 61000-2-1
10 % to 100 %
Voltage changes/fluctuation
EN 61000-2-1
+/-10 %
+10 % to -15 % for b1 min

Technical Data
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3.1.3 Required environmental conditions
Transport temperature range -25 °C to +85 °C
Storage temperature range - 25 °C to +85 °C
Operational temperature range -25 °C to +85 °C
(rated temperature: 50 °C,
see ZElectrical data– from page 28)

Dimensions
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3.2
3.2 Dimensions
3.2.1 Baumüller filters for TN/TT-systems

BFN 3-1-0007-001
BFN 3-1-0016-001
BFN 3-1-0030-001
BFN 3-1-0042-001
BFN 3-1-0056-001
BFN 3-1-0075-001
BFN 3-1-0100-001
BFN 3-1-0130-001
BFN 3-1-0180-001
Figure 1: Dimensions filters TN/TT-systems
Type A B C D E F L G H
PE-connection
Connection (mm2)
flex./rigid
BFN 3-1-0007-001 190 40 70 20 180 160 185 5,4 M5 4/6
BFN 3-1-0016-001 250 50 70 25 235 220 245 5,4 M5 4/6
BFN 3-1-0030-001 270 50 85 30 255 240 265 5,4 M5 10/16
BFN 3-1-0042-001 310 50 85 30 295 280 305 5,4 M5 10/16
BFN 3-1-0056-001 250 85 90 60 235 220 258 5,4 M6 16/25
BFN 3-1-0075-001 270 80 135 60 255 240 278 6,5 M6 25/35
BFN 3-1-0100-001 270 90 150 65 255 240 326 6,5 M10 50/50
BFN 3-1-0130-001 270 90 150 65 255 240 326 6,5 M10 50/50
BFN 3-1-0180-001 380 130 180 102 365 350 455 6,5 M10 95/95
NOTE!
Dimensions in mm.

Technical Data
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BFN 3-1-0250-001
BFN 3-1-0320-001
BFN 3-1-0400-001
BFN 3-1-0600-001
BFN 3-1-0250-001
BFN 3-1-320-001
BFN 3-1-400-001
BFN 3-1-600-001
Figure 2: Dimensions filters TN/TT-systems
Type A B C D E G H I J K M N Connection
BFN 3-1-0250-001 300 125 180 205 230 120 110 40 62 M10 12 Bolt M10
BFN 3-1-0320-001 300 115 210 235 260 40 120 60 35 20 M12 12 Rail with hole 11
PE: Bolt M12
BFN 3-1-0400-001 300 115 210 235 260 40 120 60 35 20 M12 12 Rail with hole 11
PE: Bolt M12
BFN 3-1-0600-001 300 135 210 235 260 40 120 60 35 20 M12 12 Rail with hole 11
PE: Bolt M12

Dimensions
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3.2
BFN 3-1-0320-101
BFN 3-1-0400-101
BFN 3-1-0600-101
BFN 3-1-0150-001
BFN 3-1-0250-001
BFN 3-1-320-001
BFN 3-1-400-001
BFN 3-1-600-001
Figure 3: Dimensions filters TN/TT-systems
Type A B C D E G H I J K M N Connection
BFN 3-1-0320-101 300 116 210 235 260 42 120 120 36 30 M10 12 Rail with hole 11
PE: Bolt M10
BFN 3-1-0400-101 300 116 210 235 260 42 120 120 36 30 M10 12 Rail with hole 11
PE: Bolt M10
BFN 3-1-0600-101 300 116 210 235 260 42 145 120 36 30 M10 12 Rail with hole 11
PE: Bolt M10