Schneider C40K32D250


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Schneider Electric Circuit breaker, ComPacT NSX400K, 36kA/800VAC, 10kA/1000VAC, 3 poles, MicroLogic 2.3 trip unit, 250A

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Range of productComPact NSX400…630
Device short nameComPacT NSX400K
Product or component typeCircuit breaker
Device applicationSpecial application
Number of poles3P
Protected poles description3t
[In] rated current250 A at 40 °C
[Ue] rated operational voltage800…1000 V AC 50/60 Hz
Network typeAC
Network frequency50/60 Hz
Suitability for isolationYes conforming to EN/IEC 60947-2
Utilisation categoryCategory A
[Icu] rated ultimate short-circuit breaking capacity36 kA Icu at 800 V AC 50/60 Hz conforming to IEC 60947-2
10 kA Icu at 1000 V AC 50/60 Hz conforming to IEC 60947-2
Performance levelK 10 kA 1000 V AC
Trip unit nameMicroLogic 2.3
Trip unit technologyElectronic
Trip unit protection functionsLSoI
Control typeToggle
Circuit breaker mounting modeFixed
[Ui] rated insulation voltage1000 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
[Ics] rated service short-circuit breaking capacity10 kA at 800 V AC 50/60 Hz conforming to IEC 60947-2
10 kA at 1000 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability15000 cycles
Electrical durability1000 cycles at 1000 V In
Mounting supportBackplate
upside connectionFront
Downside connectionFront
Connection pitch45 mm
Protection typeL : for overload protection (long time)
So : for short time short-circuit protection with fixed delay
I : for instantaneous short-circuit protection
Trip unit rating250 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range70…250 A
Long-time protection delay adjustment type trFixed
[tr] long-time protection delay adjustment range11 s at 7.2 x Ir
16 s at 6 x Ir
400 s at 1.5 x Ir
Thermal memory20 minutes before and after tripping
Short-time protection pick-up adjustment type IsdAdjustable 9 settings
[Isd] Short-time protection pick-up adjustment range1.5…10 x Ir
Short-time protection delay adjustment type tsdFixed
Instantaneous protection pick-up adjustment type IiFixed
[Ii] instantaneous protection pick-up adjustment range3000 A
Earth-leakage protectionWithout
Zone selective interlocking ZSIWithout
Number of slots for electrical auxiliaries6 slot(s)
Local signallingFlashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
Width (W)140 mm
Height (H)255 mm
Depth (D)110 mm
Net weight6.05 kg
StandardsEN/IEC 60947
Product certificationsCE
Overvoltage categoryIV
Electrical shock protection classClass II
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 altitude0…2000 m without derating
2000 m…5000 m with derating
Packing Units
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height19.4 cm
Package 1 Width15.8 cm
Package 1 Length33.0 cm
Package 1 Weight6.2 kg

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