Eaton Crouse-hinds series User manual

June 2021
INS 801-772 Rev B
Instruction sheet
MTL fieldbus networks
1
Eaton Electric Limited,
Great Marlings, Butterfield, Luton
Beds, LU2 8DL, UK.
Tel: + 44 (0)1582 723633 Fax: + 44 (0)1582 422283
E-mail: [email protected]
www.mtl-inst.com
© 2021 Eaton
All Rights Reserved
Publication No. INS 801-772 Rev B
June 2021
1. INTRODUCTION
The FS32-XE protects Fieldbus components complying with IEC
61158-2 physical layer and associated sensitive electronics from the
degradation and damage caused by surges and transients. Designed
for ease of installation, the FS32-XE can be used at both ends of the
trunk and on spurs where mounting type and configuration allows.
More details of this are shown throughout this instruction sheet.
IMPORTANT: The FS32-XE is designed specifically for use with fieldbus
apparatus manufactured by Eaton where the trunk and spur connections
are organised as shown in Figure 1. These connectors are certified for
Ex e and the mating connector for the PCB header is PxC # PCB plug -
MVSTBW 2,5/ 3-STF-5,08 EX - 1809791. part of IECEx Certificate#IECEx
KEM 10.0093U & ATEX Certificate# KEMA10ATEX0196U.
2. IMPORTANT SAFETY INFORMATION
WARNING
• Before starting any electrical installation work, ensure that the
incoming trunk connection to the MTL fieldbus barrier or MTL
Megablock device coupler is isolated from any source of power.
• The FS32-XE must be installed, operated and maintained by
trained competent personnel. The FS32-XE unit must not be
subjected to mechanical or thermal stresses in excess of those
outlined in the ATEX specifications.
• The FS32-XE range must not be installed in an area where it may be
attacked by aggressive substances.
• The protected equipment must be electrically isolated during the
installation procedure of FS32-XE
• All installation and maintenance must be carried out in accordance
with all appropriate international, national and local standard codes
of practice and site regulations, which may include reference to
the IEC code of practice IEC 60079-14, and in accordance with the
instructions contained here.
FS32-XE
MTL Trunk & Spur
Surge Protection Device
Figure 1 - Spur & Trunk connections
Figure 2 - FS32-XE dimensions

2
FS32-XE MTL Trunk & Spur Surge Protection Device
June 2021
3. INSTALLATION
When used with MTL 937x-FB3 range of MTL compact fieldbus
barriers
The FS32-XE may be used to protect the fieldbus trunks in 937x-FB3
range of MTL compact fieldbus barriers supplied by Eaton’s MTL
product line. One FS32-XE is required for each protected trunk.
3.1 Remove the existing 3-position connector plug and insert the
FS32-XE in its place- securing it with the two side screws and the
central grounding screw - do not over-tighten. Insert the existing
connector plug into the top of the FS32-XE and tighten the two
connector fixing screws. If the wiring is not connected, insert the
wires into the appropriate terminals ‘+’, ‘S’ ‘-’ and tighten their
securing screws.
3.2 Reconnect circuit and test system to verify operational status.
When used with F200-XE MTL increased safety Megablock
device couplers
3.3 Remove the existing 3-position trunk or spur connector plug and
insert the FS32-XE in its place - securing it with the two side
screws. Insert the existing connector plug into the top of the
FS32-XE and tighten the two connector fixing screws. If the wiring
is not connected, connect to the appropriate terminals ‘+’, ‘S’, ‘-’.
3.4 Determine length required for the grounding bar (FS32-BAR) and
using tools (e.g. pliers), break at the score marks. Tighten the
FS32-XE ground screw into the grounding bar. Do not over-tighten.
3.5 Connect an Earth wire, (minimum 3mm2) with a ring terminal to the
M4 threaded hole. Ensure this wire is connected to the chassis or
the Earth reference of the protected equipment.
3.6 Reconnect the circuit and test the system to verify operational
status.
4. MAINTENANCE
At intervals of not more than one year (more frequently for particularly
harsh environments) visually check the installation and ensure that:
i) the device and/or its enclosure is firmly attached to its mounting
ii) there are no signs of external damage or corrosion
iii) the interconnecting cables are not frayed or otherwise damaged
iv) all connections are properly made with clear labelling.
If the unit has suffered damage, send it back to Eaton for evaluation,
which should be carried out only by MTL product line. This product is
not repairable.
5. APPROVALS
In hazardous locations check the marking on the device to ensure that
it is appropriate for the application. See Certificate number IECEx BAS
20.0079U and/or SGS20ATEX0120U.
ATEX / IECEx Special Conditions:
1. The FS32-XE demonstrates a surface temperature rise of <5°C
when operating in the most onerous operating conditions. A
Temperature Classification of T4 in a +80°C ambient would be
considered applicable.
2. The FS32-XE is suitable for use within equipment with an
Equipment Protection Level of Gb. The FS32-XE may also form
part of a Group III circuit within
3. The FS32-XE must be installed in equipment such that it is afforded
a degree of protection of at least IP54 in accordance with EN IEC
60079-0, EN 60079-7 and EN 60529.
4. The equipment in which the FS32-XE is installed will not be capable
of withstanding a 500Vac isolation test voltage between all inputs
to earth. This must be taken into account during installation.
5. The PCB Header connector must be mated with an appropriately
certified connector. See section 1 for the details of the connector.

The given data is only intended as a product
description and should not be regarded as a legal
warranty of properties or guarantee. In the interest
of further technical developments, we reserve the
right to make design changes.
2
FS32-XE MTL Trunk & Spur Surge Protection Device
June 2021
Eaton Electric Limited,
Great Marlings, Butterfield, Luton
Beds, LU2 8DL, UK.
Tel: + 44 (0)1582 723633 Fax: + 44 (0)1582 422283
E-mail: [email protected]
www.mtl-inst.com
© 2021 Eaton
All Rights Reserved
Publication No. INS 801-772 Rev B 010621
June 2021
EUROPE (EMEA):
[phone]
[email protected]
THE AMERICAS:
[phone]
[email protected]
ASIA-PACIFIC:
[phone]
[email protected]
Terminal Block Wiring
Conductor size (solid or flexible) 0.2mm2to 2.5mm2(12AWG to 24 AWG)
Min 0.25mm2if with ferrule
Min tightening torque 0.5 Nm
Max tightening torque 0.6 Nm
Figure 3 - Nickel-plated steel grounding bar Figure 4 - FS32-XE Schematic
EU Importer- Eaton, 69412 Eberbach,
Germany