SA POWERNET EX MDU User manual

IT IS MANDATORY TO READ THIS USER MANUAL
TO ENSURE THAT THIS EQUIPMENT IS USED
CORRECTLY AND SAFELY.
USER MANUAL
ISSUE 7
SA POWERNET EX MDU
ATEX & UKEX CERTIFIED FOR ZONE 1 & 2 (GAS), 21 & 22 (DUST)

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Thank you for choosing to use one of SA Equip’s range of high quality portable
power distribution products. This SA POWERNET EX MDU should give you many
hours of safe and reliable service. The quipment is a portable power distribution
unit consisting of a GRP enclosure mounted in a marine grade stainless steel frame.
The enclosure contains the wiring, switches, MCBs and terminals. The MDU has a 3
phase supply voltage and is available in different combinations of socket outlets.
WELCOME TO SA EQUIP
For further information or product support please
contact us on:
T: [phone]
[email protected]om
www.saequip.com
It is mandatory to read this User Guide to ensure
that this equipment is used correctly & safely.
This will also ensure you get maximum performance and
service life from this equipment.
WARRANTY
The SA POWERNET EX MDU has a product warranty of 1 year from
the date of delivery. The warranty does not cover cables. The warranty
covers only materials and manufacturing defects. User abuse and/
or failure to comply with the instructions above will invalidate the
warranty and may also invalidate the certification of the MDU. The
information supplied in this User Guide does not in any way remove
any responsibility from the user of the MDU. For more information
please see our full Conditions of Sale, available on request.

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PRODUCT INFORMATION
The user guide covers the following products:
PNDU440/10-2EX/CEA - SA POWERNET EX MDU 400V 2 WAY
PNDU440/10-12EX/CEA - SA POWERNET EX MDU 400V 3 WAY
PNDU440/10-4EX/CEA - SA POWERNET EX MDU 400V 4 WAY
Marking label
Marine grade
stainless steel frame
On/Off Switch for each
Output socket
Power On/Off Switch
2 x Output sockets
Enclosure

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BEFORE USE
IMPORTANT! - ELECTRICAL SAFETY
Always ensure you know how to use any electrical equipment before use.
Misuse of electrical equipment can result in injury or death.
Only connect the SA POWERNET EX MDU to a properly installed power supply system.
Check the supply is providing the correct voltage and current for the MDU, this is clearly displayed on
the type label.
If you use extension leads make sure these are suitable for your requirements.
Never put cables or the MDU where they could be damaged or could become a hazard to yourself or
someone else.
The equipment is to be used properly and according to its ratings, documentation and local/site
regulations.
You are responsible to ensure that any equipment is suitable for the environment in which it will be
used. The personnel using the unit have to be authorized by the operator or his representative.
The operator is also responsible for the safety of the equipment.
You must make sure that the equipment is selected, installed and used in accordance with regulations
(EN60079-14) and is checked before use.
This equipment must be kept in a suitable state by regular inspection and maintenance, see page #
This equipment must only be used for its intended purpose.
The certification details of the plugs can be found on the product type label.
If you are unsure about anything, get help before proceeding
IMPORTANT
This SA POWERNET EX MDU must not be taken into a Zone 0
SPECIAL CONDITIONS FOR SAFE USE
The Integral cable must be suitably terminated
All metalwork shall be earth bonded via the installation
MOVING AND SETTING UP THE MDU
The MDU should not be moved while energised; disconnect the power supply to the MDU before
moving and then move to new position before reconnecting.

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DURING USE - OPERATING THE SA POWERNET EX MDU
Position and set up the MDU according to the previous instructions
Check that the MDU is safe for use and has no defects, paying particular attention to the external
cables and the electrical enclosures.
The MDU can then be connected to the correct supply. The supply voltage should be within the voltage
range shown on the product type label.
The supply voltage should not vary by more than +/-10% of the voltage on the product type label.
Ensure that the load of the equipment connected to a socket/ or pair of sockets does not exceed the
maximum rating of the secondary MCB fitted.
If the MDU stops functioning or does not switch on, it should be taken into safe area before inspecting
the control box. The MDU contains circuit breakers which may stop the unit functioning in the event of
a fault.
If the MDU gets damaged during use it must be immediately disconnected from the supply and
removed to a safe area for inspection and test. Correct use of the equipment should help to ensure
that it is not damaged. If you would like more information on ancillary products, please contact the
Sales Team on [phone] or [email protected].
AFTER USE - INSPECTION & MAINTENANCE PROCEDURES
Maintenance may be carried out only outside the EX area
Isolate the MDU unit from the mains supply and allow to cool before carrying out any maintenance
work.
The MDU should be cleaned when necessary using a damp cloth. If necessary use neutral soap. No
detergents or solvents are allowed. Do not allow dirt and/or dust to accumulate on the equipment.
Operator is responsible to comply with the all applicable regulations including: EN60079-14,
EN60079-17 and EN60079-19
Basic repairs can be carried out by a competent electrician in accordance with the detailed instructions
– available on request.
No user modifications are permitted and only original spares from SA Equip must be used. The use of
any other parts will invalidate any warranty and could compromise the safety and functionality of the
equipment.
Maintenance instructions, exploded-view diagram and spare parts list are available on request. SA
Equip offer a full repairs service. Contact the SA Service Centre on [phone] for more
details.

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SPECIFIC SPECIFICATION
Voltage: 440/480V 3 phase
Input: 64A
Output: 16A or 32A
Socket Options CEAG or Stahl
Socket Pin Configuration: 3P+E or 3P+N+E
Supply Cable Length 10 metre (or as required)
Weight 55kg approx.
Dimensions 680mm (w) x 600mm (d) 1150mm (h)
Frame & Fasteners Stainless steel 316
SPECIFIC SPECIFICATION FOR MAIN VERSIONS
Model PNDU440/10-2EX/ CEA PNDU440/10-12EX/CEA PNDU440/10-4EX/CEA
Primary Voltage 400 - 480V 3ph 400 - 480V 3ph 400 - 480V 3ph
Input Cable 10m 10m 10m
MCBs 2 x 32A MCBs fitted 1 x 32A & 2 x16A MCBs
fitted
4 x 16A MCBs fitted
Sockets
Configuration
2 x 32A 4P CEAG Sockets 1 x 32A 4P CEAG Socket &
2 x 16A 4P Sockets
4 x 16A 4P CEAG Sockets

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Certification
The SA POWERNET EX MDU is ATEX & UKEX certified as transportable equipment for use in
Zone 1 and 2 (Gas) and Zone 21 and 22 (Dust) areas. Each MDU has a marking plate bearing the specific
product information and certification details as follows:
ATEX certificate number BASEEFA 11 ATEX 0107X
UKEX certificate number BAS22UKEX0002X
Certification Marking II 2 G D
Ex db eb IIB/IIC T6 Gb
Ex tb IIIC Db T85°C
II 2 G D
Explosive Atmospheres Symbol
II Equipment Group II - Certified for use above ground (i.e. not mines)
2 G D Equipment Category 2 – Gas and Dust - Certified for Zone 1 and 21 classified areas (inc. Zone 2
and 22)
Gas certification - Ex db eb IIC T6 Gb
db eb Indicates protection methods used to achieve Ex gas certification
IIC Gas equipment group IIC - Suitable for areas with IIA, IIB, IIC gases
T6 Temperature Classification (Gas) - surface temperature will not exceed 85°C
Gb Equipment Protection Level – High Level of Protection
Certified for Zone 1 classified areas (inc. Zone 2)
Dust certification - Ex tb IIIC Db T85°C
tb Indicates protection methods used to achieve Ex dust certification
IIIC Dust equipment group IIIC - Suitable for areas with IIIA, IIIB, IIIC dust
T85°C Temperature Classification (Dust) - surface temperature will not exceed 85°C
Gb Equipment Protection Level – High Level of Protection
Certified for Zone 21 classified areas (inc. Zone 222)
Note: Not all variations are dust certified – check marking plate on product
Operating Temperature Ta -40/20°C to +40°C
Certified for use in areas with ambient temperatures within this range
Ingress Protection IP66
Suitable for use outdoors in all normal weather conditions as the electrical enclosures have at
least this level of ingress protection

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T: [phone]
F: [phone]
[email protected]
www.saequip.com
SA Equipment
10 Clifton View
East Mains Industrial Estate
Broxburn EH52 5NE
United Kingdom
DECLARATION OF CONFORMITY
Manufacturer: SA Equipment Ltd EU Address: SA Equip Europe BV
Address: 10 Clifton View Oud Camp 22
East Mains Industrial Estate 3155 DL Maasland
Broxburn The Netherlands
EH52 5NE
This is to declare that Equipment Type: SA Powernet EX MDU
Has been designed and manufactured in accordance with the following directives:
Provisions of the Directive 2014/34/EU fulfilled by the Equipment:
II 2 G D
Ex db eb IIB/IIC T6 Gb
Ex tb IIIC Db T85°C
Notified Body for EC-Type Examination: SGS Fimko Oy 0598 Espoo Finland
EC-Type Examination Certificate: Baseefa11ATEX0107X
Approved Body for production: SGS Baseefa 1180 Buxton UK
Provisions of the Equipment or Protective System Intended for use in Potentially Explosive
Atmospheres UKSI 2016:1107 (as amended) – Schedule 3A, Part 1 fulfilled by the Equipment:
II 2 G D
Ex db eb IIB/IIC T6 Gb
Ex tb IIIC Db T85°C
Notified Body for EC-Type Examination: SGS Baseefa 1180 Buxton UK
UK Type Examination Certificate: BAS22UKEX0002X
Approved Body for production: SGS Baseefa 1180 Buxton UK
Harmonised standards used:
EN60079-0:2018/AC:2020, EN 60079-1:2014/AC:2018, EN60079-7:2015+A1:2018,
EN 60079-31:2014
Other standards used:
EN60079-14:2014/AC:2016 was used in part as a reference for the interconnection of the
individual units of the assembly, including the certified plug
This declaration is issued under the sole responsibility of the manufacturer.
On behalf of the above-named company, I declare that, on the date the equipment accompanied by this
declaration is placed on the market, the equipment conforms with all technical and regulatory
requirements of the above listed directives.
Signed
M Shimwell,
Managing Director
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Copyright © 2022 SA Equip LLP Information and specification is subject to change without notice. Issue 7 01/2022
For more information about SA Products and Services
please contact our customer support team on:
T+44 (0)333 240 6111
F [phone]
[e-mail]
saequip.com
SA Equip LLP
10 Clifton View
East Mains Industrial Estate
Broxburn EH52 5NE
United Kingdom