MRS Toggle Relay M3 12 V User manual

Toggle Relays
Operating Instructions
For the following types:
Toggle Relay M3 12 V
Toggle Relay M3 24 V
Toggle Relay 12 V
Toggle Relay 24 V
Toggle Relay M1 Compact 12 V
Toggle Relay M1 Compact 24 V
Toggle Relay time limited M3 12 V
Toggle Relay time limited M3 24 V
Toggle Relay time limited &
compact M1 12 V
Toggle Relay time limited &
compact M1 24 V

VST01_GA1_1.2 | Version 1.2 | 06/2021
MRS Electronic
Toggle Relays - Operating Instructions
Contact data
MRS Electronic GmbH & Co. KG
Klaus-Gutsch-Str. 7
78628 Rottweil, Germany
Telephone:
Internet:
E-mail:
Product
Product designation:
Types:
Serial number:
Document
Name:
Version:
Date:
[phone]
https://www.mrs-electronic.com
[e-mail]
Toggle Relays
Toggle Relay M3 12 V
Toggle Relay M3 24 V
Toggle Relay 12 V
Toggle Relay 24 V
Toggle Relay M1 Compact 12 V
Toggle Relay M1 Compact 24 V
Toggle Relay time limited M3 12 V
Toggle Relay time limited M3 24 V
Toggle Relay time limited & compact M1 12 V
Toggle Relay time limited & compact M1 24 V
see type plate
SSR_GA1_1.2
1.2
06/2021
The original operating instructions were composed in German.
MRS Electronic GmbH & Co. KG compiled this document with the utmost diligence and based on the
current state of technology. MRS Electronic GmbH & Co. KG will not assume any liability or
responsibility for errors in content or form, missing updates as well as any possibly resulting damages or
drawbacks.
Our products are developed according to European norms and standards. Therefore, the use of these
products is currently limited to the area of the European Free Trade Association (EFTA). If products are
to be used in another area, market access research must be carried out beforehand. You can do this
yourself as the market introducer or you are welcome to contact us and we will discuss how to proceed
together.

Table of Contents
Table of Contents
1User information............................................................................................................1
1.1 About these operating instructions ..................................................................................1
1.2 Copyright.........................................................................................................................3
1.3 Warranty conditions.........................................................................................................3
2Safety .............................................................................................................................4
2.1 Hazards...........................................................................................................................4
2.2 Staff qualifications ...........................................................................................................5
2.3 Obligations of the manufacturers of complete systems ...................................................6
3Product description ......................................................................................................8
4Transport / Storage .......................................................................................................9
4.1 Transport.........................................................................................................................9
4.2 Storage............................................................................................................................9
5Intended use ................................................................................................................10
6Assembly .....................................................................................................................11
6.1 Mounting location ..........................................................................................................11
6.2 Mounting position ..........................................................................................................11
6.3 Fastening.......................................................................................................................11
7Electric installation .....................................................................................................12
7.1 Wiring ............................................................................................................................13
8Commissioning ...........................................................................................................14
9Software .......................................................................................................................15
10 Fault removal and maintenance.................................................................................16
10.1 Cleaning ........................................................................................................................16
10.2 Fault removal.................................................................................................................17
11 Disassembly and disposal..........................................................................................18
11.1 Disposal ........................................................................................................................18

1 User information
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1 User information
1.1 About these operating instructions
The manufacturer MRS Electronic GmbH & Co. KG (hereinafter referred to as MRS)
delivered this product to you in its entirety and functionally sound. The operating
instructions provide information about how to:
Install the product
Service the product (cleaning)
Uninstall the product
Dispose of the product
It is essential to read these operating instructions thoroughly and completely before
working with the product. We strive to compile all the information for safe and complete
operation. However, should you have any questions not answered by these
instructions, please contact MRS.
Storage and transfer of the operating instructions
These instructions as well as all other product-related documentation relevant for
different applications must always be kept on hand and be available in the vicinity of
the product.
Target group of the operating instructions
These instructions address trained experts who are familiar with handling electronic
assemblies. Trained experts are those persons who can assess the tasks assigned to
her/him and recognize possible dangers due to her/his expert training, knowledge and
experience as well as her/his knowledge of the relevant standards and regulations.
Validity of the operating instructions
The validity of these instructions goes into effect with the transfer of the product from
MRS to the operator. The version number and approval date of the instructions are
included in the footer. Changes to these operating instructions are possible any time
and without the specification of any reasons.
INFORMATION
The current version of the operating instructions replaces all previous versions.

1 User information
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Warning information in the operating instructions
The operating instructions contain warning information before a call to action which
includes the risk of property damage or personal injury. The measures for averting
risks described in the instructions must be implemented. Warning information is
structured as follows:
jDANGER!
SOURCE AND CONSEQUENCE
Plus explanation, where needed.
Prevention.

Warning
symbol:
(Warning triangle) indicates the danger.
Signal word:
Specifies the seriousness of the danger
Source:
Designates the type or source of the danger.

Consequence:
Specifies the consequences in case of noncompliance

Prevention:
Informs how to avert the danger.
jDANGER!
Designates an immediate, serious threat which will with certainty lead to serious
injury or even death if the danger is not averted.
j WARNING!
Designates a possible threat which may lead to serious injury or even death if the
danger is not averted.
j CAUTION!
Designates a potentially dangerous situation which may lead to mild or medium
property damage or physical injury if the danger is not averted.
INFORMATION
Sections with this symbol provide important information about the product or how to
handle the product.
Symbols used in the operating instructions
General warning sign.
Beware of electrical current.

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Beware of hot surface.
1.2 Copyright
These operating instructions contain information protected by copyright. The contents
or excerpts of the contents may not be copied or reproduced in any other way without
prior consent from the manufacturer.
1.3 Warranty conditions
See the General Terms and Conditions MRS Electronic GmbH & Co. KG at
https://www.mrs-electronic.de/agb/

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2 Safety
This chapter includes all the information you should know in order to safely install and
operate the product.
2.1 Hazards
The toggle relay has been constructed with the newest technology and recognized
safety-relevant regulations. Danger for persons and/or property may arise in case of
improper use. Lack of compliance with the rules for work safety may result in damages.
This section describes all the possible hazards which may be relevant during the
assembly, installation and commissioning of the toggle relay.
Faulty operations
Faulty software, circuits or parameter setting may cause unforeseen reactions or
malfunctions through the complete system.
j WARNING!
DANGER DUE TO MALFUNCTION OF THE COMPLETE SYSTEM
Unforeseen reactions or malfunctions of the complete system may endanger the
safety of people and machine.
Please make sure that the toggle relay is equipped with the proper software and
that the circuits and parameter settings are compliant with the hardware.
Moving components
The complete system may create unforeseen dangers when commissioning and
servicing the toggle relay.
jWARNING!
SUDDEN MOVEMENTS OF COMPLETE SYSTEM OR OF COMPONENTS
Danger due to unprotected moving components.
Before performing any work, shut down the complete system and secure it
against unintended restart.
Before commissioning the system, please make sure that the complete system
and all parts of the system are in a safe state.

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Elevated temperature
j CAUTION!
DANGER OF BURNS!
The casing of the toggle relay may exhibit an elevated temperature.
Please do not touch the casing and let all system components cool down before
working on the system.
2.2 Staff qualifications
These operating instructions repeatedly refer to the qualifications of the employees
who can be trusted to perform various tasks for installation and maintenance. The three
groups are:
Specialists/Experts
Skilled persons
Authorized persons
This product is not suitable for use by persons (incl. Children) who are mentally or
physically disabled or do not have enough experience or sufficient knowledge of the
product unless supervised or having attended a detailed training regarding the use of
the toggle relay by a person who is responsible for the safety of this person.
Specialists/Experts
Specialists and experts are, for example, fitters or electrician who are capable of
assuming different tasks, such as transport, assembly and installation of the product
with the instructions of an authorized person. The people in question must be
experienced in handling the product.
Skilled persons
Skilled persons are those persons who have sufficient knowledge of the subject in
question due to their specialist training and are familiar with the relevant national
occupational protection provisions, accident prevention regulations, guidelines and
generally recognized rules of technology. Skilled persons must be capable of securely
assessing the results of their work and familiarize themselves with the contents of
these operating instructions.
Authorized persons
Authorized persons are those persons who are permitted to perform the work due to
legal regulations or who have been approved to perform certain tasks by MRS.

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2.3 Obligations of the manufacturers of complete systems
Tasks for system development, installation and commissioning of electric systems
may only be performed by trained and experienced staff, see Chapter 2.2 Staff
qualifications.
The manufacturer of the complete system must ensure that no defective or faulty
toggle relays are used. In case of failure or malfunctions, the toggle relay must be
replaced immediately.
The manufacturer of the complete system must ensure that the circuity and
programming of the toggle relay do not lead to a safety-relevant malfunction of the
complete system in case of a failure or malfunction.
The manufacturer of the complete system is responsible for the correct connection
of all the peripherals (such as cable profiles, plugs, crimps, correct
selection/connection of sensors/actuators).
The toggle relay may not be opened.
No changes and/or repairs may be performed on the toggle relay.
If the toggle relay falls down, it may no longer be used and must be returned to
MRS to be checked.
The manufacturer of the complete system must inform the end customer about all
potential dangers.
The manufacturer must also take the following aspects into consideration when
using the toggle relay:
Toggle relays with wiring suggestions provided by MRS do not constitute a
systematic responsibility for complete systems.
Safe operation cannot be guaranteed for toggle relays used as prototypes or
samples in the complete system.
Faulty circuitry and programming of the toggle relay may lead to unforeseen signals
to the outputs of the toggle relay.
Faulty programming or parameter setting of the toggle relay may lead to dangers
during operation of the complete system.
It must be ensured when the toggle relay is released that the supply of the electric
system, of the final stages and of the external sensor supply are shut down jointly.
Toggle relays without factory-made software programmed more than 500 times
may not be used in complete systems any longer.

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The risk of accidents is reduced if the manufacturer of the complete systems
observes the following points:
Adherence to the statutory regulations regarding accident prevention, occupational
safety and environmental protection.
Provision of all documents required for installation and maintenance.
Monitoring of the cleanliness of the toggle relay and of the complete system.
The responsibilities for the assembly of the toggle relay must be clearly specified
by the manufacturer of the complete system. The assembly and maintenance staff
must be regularly instructed.
And work and maintenance performed on electric energy sources is always
associated with possible dangers. Persons not familiar with these kinds of devices
and systems may cause harm to themselves and others.
The installation and maintenance staff of a system with electric devices must be
instructed by the manufacturer regarding potential dangers, required safety
measures and applicable safety provisions before beginning work.