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Datasheet generated 2026-10-07
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Schneider Electric Circuit breaker, ComPacT NSXm 160N, 50KA/415VAC, 4 poles 4D (neutral fully protected), TMD trip unit 125A, EverLink lugs C12N4TM125L

Schneider Electric · Electrical Components · Moulded Case Circuit Breakers · France · se.com
Part Number
C12N4TM125L  ·  HS 8536.90
Schneider Electric Circuit breaker, ComPacT NSXm 160N, 50KA/415VAC, 4 poles 4D (neutral fully protected), TMD trip unit 125A, EverLink lugs C12N4TM125L

Schneider Electric C12N4TM125L Circuit breaker ComPacT NSXm N 90kA/230V 50kA/400V-with thermomagnetic protection-TM125D 4p Everlink 125A.

Technical Specifications

Manufacturer part number (MPN)C12N4TM125L
EAN / GTIN3606481991447
HS code8536.90
Sales unitpcs
Package quantity6 pcs
Trip unitTM125D
RangeComPacT
Product nameComPacT NSXm
Device short nameNSXm 160N
Product or component typeCircuit breaker
Device applicationDistribution
Poles description4P
Protected poles description4D
Neutral positionLeft
[In] rated current125 A at 40 °C
[Ue] rated operational voltage440 V AC 50/60 Hz
Network typeAC
Network frequency50/60 Hz
Suitability for isolationYes conforming to IEC 60947-2
Utilisation categoryCategory A
[Icu] rated ultimate short-circuit breaking capacity90 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 50 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 50 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
Performance levelN 50 kA 415 V AC
Trip unit nameTM-D
Trip unit technologyThermal-magnetic
Trip unit protection functionsLI
Control typeToggle
Circuit breaker mounting modeFixed
[Ui] rated insulation voltage800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
[Ics] rated service short-circuit breaking capacity90 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2; 50 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2; 50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability20000 cycles
Electrical durability20000 cycles at 440 V In/2; 10000 cycles at 440 V In
Power dissipation per pole9.3 W
Mounting supportBackplate
Mounting positionHorizontal and vertical; Flat on the back
Upside connectionFront
Downside connectionFront
Connection terminals1 Everlink lug wire size 2.5…70 mm², flexible copper; 1 Everlink lug wire size 2.5…95 mm², rigid or stranded copper
Connection pitch35 mm with spreaders; 27 mm without spreaders
9 mm pitches12 module
Trip unit rating125 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)Adjustable
[Ir] long-time protection pick-up adjustment range0.7...1 x In
Long-time protection delay adjustment type trFixed
Neutral protection settings1 x Ir (4D)
Instantaneous protection pick-up adjustment type IiFixed
[Ii] instantaneous protection pick-up adjustment range1250 A
Earth-leakage protectionWithout
Number of slots for electrical auxiliaries1 slot(s) for auxiliary switch OF; 1 slot(s) for alarm switch SD; 1 slot(s) for voltage release MN or MX
Local signallingFlag (green) for presence of auxiliary contacts
Width (W)108 mm
Height (H)137 mm
Depth (D)80 mm
Product weight1.42 kg
ColourGrey (RAL 7016)
StandardsEN/IEC 60947-2
Overvoltage categoryIII
Electrical shock protection classClass II on front face
Pollution degree3 conforming to IEC 60664-1
IP degree of protectionIP40 conforming to IEC 60529
IK degree of protectionIK07 conforming to IEC 62262
Ambient air temperature for operation-25…70 °C
Ambient air temperature for storage-50…85 °C
Relative humidity0…95 %
Operating altitude2000 m without derating; 5000 m with derating
Warranty (in months)18

Properties

MOQ1

Cross-References

Attached Documents