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Schneider Electric 31661

Schneider Electric 31661

MPN31661
Obsolete

circuit breaker Compact NS250N - TMD - 200 A - 4 poles 3d +N/2

$775.09Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

31661 key specifications
ParameterValue
Control typeToggle
Network typeDC AC
Protection typeOverload protection (thermal) Protection of the fourth pole Short-circuit protection (magnetic)
Range of productCompact NS100...630
Product or component typeCircuit breaker
Long time pick-up adjustment type irAdjustable
Instantaneous pick-up adjustment type iiAdjustable
Voltage750 V AC 50/60 Hz conforming to IEC 60947-2
[Ue] rated operational voltage690 V AC 50/60 Hz conforming to IEC 60947-2 750 V DC conforming to IEC 60947-2
[Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2
Breaking capacity85 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC 8 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 480 V AC 50/60 Hz conforming to NEMA AB1 HIC 85 kA at 240 V AC 50/60 Hz conforming to UL 508 22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 35 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 36 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 20 kA at 600 V AC 50/60 Hz conforming to NEMA AB1 HIC 35 kA at 480 V AC 50/60 Hz conforming to UL 508 30 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 18 kA at 600 V AC 50/60 Hz conforming to UL 508
Current220 A at 65 °C 250 A at 40 °C

All specifications

31661 additional specifications
ParameterValue
Breaking capacity codeN
[Ics] rated service breaking capacity8 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 36 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 22 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 30 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
Network frequency50/60 Hz
Poles description4P
Protected poles description3t + N/2
Utilisation categoryCategory A
IK degree of protectionIK07 conforming to EN 50102
IP degree of protectionIP40 conforming to IEC 60529
Mounting modeFixed
Mounting supportBackplate
Connection pitch35 mm
Upside connectionFront
Downside connectionFront
Pollution degree3 conforming to IEC 60947
Depth86 mm
Width140 mm
Height161 mm
Electrical durability10000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-2 20000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-2
Mechanical durability20000 cycles
StandardsIEC 60947-2
Trip unit nameTM-D
Local signallingPositive contact indication
Neutral positionLeft
Trip unit rating200 A at 40 °C
Device short nameCompact NS250N
Device applicationDistribution
Circuit breaker nameCompact NS250N
Trip unit technologyThermal-magnetic
Suitability for isolationYes conforming to IEC 60947-2
Neutral protection setting0.5 x Ir
Long time pick-up adjustment range0.8...1 x In
Ambient air temperature for storage-50...85 °C
Ambient air temperature for operation-25...70 °C
Instantaneous pick-up adjustment range5...10 x In
MPN
31661