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Datasheet generated 2026-10-07
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Schneider Electric Trip unit MA150, ComPacT NSX160/250, 4 poles 3D (neutral not protected), magnetic, motor protection, 150A rating C166MA150

Schneider Electric · Electrical Components · Circuit Breaker Accessories · France · se.com
Part Number
C166MA150  ·  HS 8536.90
Schneider Electric Trip unit MA150, ComPacT NSX160/250, 4 poles 3D (neutral not protected), magnetic, motor protection, 150A rating C166MA150

Schneider Electric C166MA150 Short-circuit protection for ComPacT NSX160 circuit breaker MA150 4P4T 150A.

Technical Specifications

Manufacturer part number (MPN)C166MA150
EAN / GTIN3606482000650
HS code8536.90
Sales unitpcs
Package quantity23 pcs
RangeComPacT
Range of productComPacT NSX100...250
Product or component typeTrip unit
Trip unit nameMA
Trip unit technologyMagnetic
Range compatibilityComPacT NSX160; ComPacT NSX250
Device applicationMotor
Poles description4P
Protected poles description3D
Neutral positionLeft
Trip unit protection functionsI
Protection typeI : for short-circuit protection (magnetic)
Trip unit rating150 A at 65 °C
[Ue] rated operational voltage690 V AC 50/60 Hz
Network typeAC
Network frequency50/60 Hz
Circuit breaker mounting modeFixed
Neutral protection settingsNo protection (3D)
Instantaneous protection pick-up adjustment type IiAdjustable
[Ii] instantaneous protection pick-up adjustment range9...14 x In
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

Properties

MOQ1

Cross-References

Attached Documents