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Installation Instructions
Before Installing I – Line MCCB’s disconnect all power to the panel board
1. Align I Line MCCB with busbar
ensuring the guide boss on the
MCCB aligns with the groove on
the busbar shroud
2. Place screwdriver through
rectangular hole (see picture) in
the mounting bracket; using the
slots in the panelboard mounting
pan firmly ratchet the MCCB into
place
3. Tighten clamping screw
over tighten such that
mounting is deformed.
Recommended torque 1.5Nm.
Reverse the fitting procedure taking care to
ensure the clamping bolt is clear of the pan
assembly.
If a new MCCB is not being fitted the space
should be filled with HNM-1BL or HNM-4BL
The equipment must be installed and maintained by competent personnel in accordance with the
appropriate statutory regulations and codes of practice e.g. Electricity at Work Regulations, IEE. Wiring
regulations (BS7671) Etc.
Ensure the source is isolated elsewhere, locked off and labelled prior to work being carried out on the
board.
It is the responsibility of the installer to ensure that all electrical connections are tight and satisfactory earth
continuity has been achieved.
Following completion of installation these instructions should be left with the equipment/end user.
Warning
• Do not adjust plug on jaws or remove the joint compound from them.
• Mount main circuit breaker adjacent to main lugs
• Clearly identify when used as an incomer on Size 1 Panelboard
Schneider Electric Limited
Stafford Park 5
Telford
TF3 3BL
Tel: 0870 608 8 608
Fax: 0870 608 8 606
www.schneider-electric.co.uk

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communicated directly to Schneider Electric
I Line MCCB Product Selector Table
Outgoing Device 1 & 2 Pole
16-100A 25 kA Single Pole 1 Mod Double Pole 1 Mod
L1 L2 L3 L1/L2
Suffix Suffix
16A SFA1016 SFA2016
20A SFA1020 SFA2020
32A SFA1032 SFA2032
40A SFA1040 SFA2040
50A SFA1050 SFA2050
63A SFA1063 SFA2063
80A SFA1080 SFA2080
100A SFA1100
A B C
AB BC
SFA2100
L2/L3
Triple Pole (3 Mods) Additional
tunnel
terminals
16A CDXAE34016 CNXAE34016 CHXAE34016
25A CDXAE34025 CNXAE34025 CHXAE34025
32A CDXAE34032 CNXAE34032 CHXAE34032
40A CDXAE34040 CNXAE34040 CHXAE34040
50A CDXAE34050 CNXAE34050 CHXAE34050
63A CDXAE34063 CNXAE34063 CHXAE34063
80A CDXAE34080 CNXAE34080 CHXAE34080
100A CDXAE34100 CNXAE34100 CHXAE34100
125A CNXAE34125 CHXAE34125
160A CNXAE34160 CHXAE34160
200A CNXAE34200 CHXAE34200 LV429259
250A CNXAE34250 CHXAE34250 LV429259
160A (elec) CNXAE34160E20 LV429242 1.5 – 95mm
250A (elec) CNXAE34250E20 LV429259 95 – 185mm
To ensure that the equipment described is safe for both personnel and property it should be installed, commissioned and
maintained by or under the supervision of qualified persons. Regard should be taken of BS7671, Codes of practice, statutory
requirements and specific
Instructions issued by Schneider Electric. Any operating or installation queries relating to these products should be
25kA 36kA 50kA
Health and Safety at Work, etc Act 1974
LV429242 1.5 – 95mm
Acceptable
cable
95 – 185mm
Schneider Electric Limited
Stafford Park 5
Telford
TF3 3BL
Tel: 0870 608 8 608
Fax: 0870 608 8 606
www.schneider-electric.co.uk