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Datasheet generated 2026-10-07
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Schneider Electric Trip unit TM125D, ComPacT NSX160/250, 4 poles 4D (neutral fully protected), thermal magnetic protections, 125A rating C164TM125

Schneider Electric · Electrical Components · Circuit Breaker Accessories · France · se.com
Part Number
C164TM125  ·  HS 8536.30
Schneider Electric Trip unit TM125D, ComPacT NSX160/250, 4 poles 4D (neutral fully protected), thermal magnetic protections, 125A rating C164TM125

Schneider Electric C164TM125 Thermomagnetic protection for NSX ComPacT NSX-TM125D 4P4T 125A.

Technical Specifications

Manufacturer part number (MPN)C164TM125
EAN / GTIN3606482000254
Sales unitpcs
Package quantity23 pcs
Trip unitTM125D
RangeComPacT
Range of productComPacT NSX100...250
Product or component typeTrip unit
Trip unit nameTM-D
Trip unit technologyThermal-magnetic
Range compatibilityComPacT NSX160; ComPacT NSX250
Device applicationDistribution
Poles description4P
Protected poles description4D
Neutral positionLeft
Trip unit protection functionsLI
Protection typeL : for overload protection (thermal); I : for short-circuit protection (magnetic)
Trip unit rating125 A at 40 °C
[Ue] rated operational voltage690 V AC 50/60 Hz
Network typeAC
Network frequency50/60 Hz
Circuit breaker mounting modeFixed
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
[tr] long-time protection delay adjustment range120…400 s at 1.5 x In; 15 s at 6 x Ir
Neutral protection settings1 x Ir (4D)
Instantaneous protection pick-up adjustment type IiFixed
[Ii] instantaneous protection pick-up adjustment range1250 A
Earth-leakage protectionWithout
StandardsEN/IEC 60947-2
Electrical shock protection classClass II
Pollution degree3 conforming to IEC 60947-1
IP degree of protectionIP40 conforming to IEC 60529
Ambient air temperature for operation-25…70 °C
Ambient air temperature for storage-50…85 °C
Number of Units in Package 11
Number of Units in Package 223
Warranty (in months)18
Width139.7 mm
Height60.6 mm
Depth88.2 mm
Rated permanent current Iu125 A
Number of poles4
Short-circuit release functionUndelayed
External power supply requiredNo
Voltage type (operating voltage)AC
With ground fault protection functionNo
Rated switch current125 A
End value adjustment range undelayed short-circuit release1250 A
Type of motor protectionThermal/magnetic release
Voltage type for actuatingAC
Country of originPoland

Properties

MOQ1

Cross-References

Attached Documents