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Schneider Electric 31166

Schneider Electric 31166

MPN31166
Active

switch disconnector, Compact INV250, visible break, 250 A, standard version with black rotary handle, 3 poles

$466.06Ref. 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

31166 key specifications
ParameterValue
Control typeRotary handle
Network typeDC AC
Product or component typeSwitch disconnector
Voltage800 V AC 50/60 Hz
[Ue] rated operational voltage125 V DC 690 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
[Icw] rated short-time withstand current1.8 kA during 30 s conforming to IEC 60947-3 2.2 kA during 20 s conforming to IEC 60947-3 4.9 kA during 3 s conforming to IEC 60947-3 8.5 kA during 1 s conforming to IEC 60947-3
[Ie] rated operational currentAC-21A: 250 A AC 50/60 Hz 220/240 V AC-21A: 250 A AC 50/60 Hz 380/415 V AC-21A: 250 A AC 50/60 Hz 440/480 V AC-21A: 250 A AC 50/60 Hz 480 V NEMA AC-21A: 250 A AC 50/60 Hz 500/525 V AC-21A: 250 A AC 50/60 Hz 660/690 V AC-22A: 250 A AC 50/60 Hz 220/240 V AC-22A: 250 A AC 50/60 Hz 380/415 V AC-22A: 250 A AC 50/60 Hz 440/480 V AC-22A: 250 A AC 50/60 Hz 480 V NEMA AC-22A: 250 A AC 50/60 Hz 500/525 V AC-22A: 250 A AC 50/60 Hz 660/690 V AC-23A: 250 A AC 50/60 Hz 220/240 V AC-23A: 250 A AC 50/60 Hz 380/415 V AC-23A: 250 A AC 50/60 Hz 440/480 V AC-23A: 250 A AC 50/60 Hz 480 V NEMA DC-21A: 250 A DC 125 V 2 poles in series DC-22A: 250 A DC 125 V 2 poles in series
[Icm] rated short-circuit making capacity30 kA switch-disconnector alone 690 V AC at 50/60 Hz 330 kA with upstream protection circuit breaker 690 V AC at 50/60 Hz
[Ith] conventional free air thermal current250 A at 60 °C
Maximum powerAC-23: 132 kW at 500/525 V AC 50/60 Hz AC-23: 160 kW at 660/690 V AC 50/60 Hz AC-23: 132 kW at 380/415 V AC 50/60 Hz AC-23: 150 kW at 440 V AC 50/60 Hz AC-23: 150 kW at 480 V AC 50/60 Hz (NEMA) AC-23: 75 kW at 220/240 V AC 50/60 Hz AC-23: 75 kW at 230 V AC 50/60 Hz (NEMA)
Network frequency50/60 Hz

All specifications

31166 additional specifications
ParameterValue
Poles description3P
Rated dutyUninterrupted
IK degree of protectionIK07 conforming to EN 50102
IP degree of protectionIP40 conforming to IEC 60529
Mounting modeFixed
Mounting supportPlate Rail
Connection pitch45 mm
Upside connectionFront
Downside connectionFront
Pollution degree3
Depth96 mm
Width140 mm
Height136 mm
Handle colourBlack
Electrical durabilityAC-22A: 1500 cycles 440 V AC 50/60 Hz AC-22A: 1500 cycles 500 V AC 50/60 Hz AC-22A: 1500 cycles 690 V AC 50/60 Hz AC-23A: 1500 cycles 440 V AC 50/60 Hz AC-23A: 1500 cycles 500 V AC 50/60 Hz AC-23A: 1500 cycles 690 V AC 50/60 Hz DC-22A: 1500 cycles 125 V DC 2 poles in series DC-23A: 1500 cycles 125 V DC 2 poles in series
Mechanical durability15000 cycles
StandardsIEC 60947-1 IEC 60947-3
RangeComPact
Visible breakYes
Suitability for isolationYes
Contact position indicatorYes
Ambient air temperature for storage-50...85 °C
Ambient air temperature for operation-25...70 °C
MPN
31166