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 ComPacT
Range of product ComPact NSX400…630
Device short name ComPacT NSX400K
Product or component type Circuit breaker
Device application Special application
Number of poles 3P
Protected poles description 3t
[In] rated current 250 A at 40 °C
[Ue] rated operational voltage 800…1000 V AC 50/60 Hz
Network type AC
Network frequency 50/60 Hz
Suitability for isolation Yes conforming to EN/IEC 60947-2
Utilisation category Category A
[Icu] rated ultimate short-circuit breaking capacity 36 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 level K 10 kA 1000 V AC
Trip unit name MicroLogic 2.3
Trip unit technology Electronic
Trip unit protection functions LSoI
Control type Toggle
Circuit breaker mounting mode Fixed
[Ui] rated insulation voltage 1000 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage 8 kV
[Ics] rated service short-circuit breaking capacity 10 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 durability 15000 cycles
Electrical durability 1000 cycles at 1000 V In
Mounting support Backplate
upside connection Front
Downside connection Front
Connection pitch 45 mm
Protection type L : for overload protection (long time)
So : for short time short-circuit protection with fixed delay
I : for instantaneous short-circuit protection
Trip unit rating 250 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection) Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range 70…250 A
Long-time protection delay adjustment type tr Fixed
[tr] long-time protection delay adjustment range 11 s at 7.2 x Ir
16 s at 6 x Ir
400 s at 1.5 x Ir
Thermal memory 20 minutes before and after tripping
Short-time protection pick-up adjustment type Isd Adjustable 9 settings
[Isd] Short-time protection pick-up adjustment range 1.5…10 x Ir
Short-time protection delay adjustment type tsd Fixed
Instantaneous protection pick-up adjustment type Ii Fixed
[Ii] instantaneous protection pick-up adjustment range 3000 A
Earth-leakage protection Without
Zone selective interlocking ZSI Without
Number of slots for electrical auxiliaries 6 slot(s)
Local signalling Flashing 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 weight 6.05 kg
Standards EN/IEC 60947
Product certifications CE
Overvoltage category IV
Electrical shock protection class Class II
Pollution degree 3 conforming to IEC 60664-1
IP degree of protection IP40 conforming to IEC 60529
IK degree of protection IK07 conforming to IEC 62262
Ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -50…85 °C
Relative humidity 0…95 %
Operating altitude 0…2000 m without derating
2000 m…5000 m with derating
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 19.4 cm
Package 1 Width 15.8 cm
Package 1 Length 33.0 cm
Package 1 Weight 6.2 kg

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