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SKU:

C40K42D250

Circuit breaker, ComPacT NSX400K, 36kA/800VAC, 10kA/1000VAC, 4 poles, MicroLogic 2.3 trip unit, 250A

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Circuit breaker, ComPacT NSX400K, 36kA/800VAC, 10kA/1000VAC, 4 poles, MicroLogic 2.3 trip unit, 250A

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Manufacturer: Schneider Electric

Estimated Delivery Date: 20-Oct-2024

End of life manual

Product environmental

This is 4 poles 4d, 250A, 36kA at 800VAC ComPacT NSX400K circuit breaker with MicroLogic 2.3 trip unit.

Products specifications

Attribute name	Attribute value
Main
Device short name	ComPacT NSX400K
Device application	special application
Breaking capacity code	K 10 kA 1000 V AC
Suitability for isolation	yes conforming to EN/IEC 60947-2
Breaking capacity	10 kA Icu at 1000 V AC 50/60 Hz conforming to IEC 60947-2, 36 kA Icu at 800 V AC 50/60 Hz conforming to IEC 60947-2
Mounting mode	fixed
Control type	toggle
Range	ComPacT
Protected poles description	4t, 3t + N/2, 3t
Range of product	ComPact NSX400...630
Trip unit name	MicroLogic 2.3
Trip unit technology	electronic
Neutral position	left
Poles description	4P
Utilisation category	category A
Product or component type	circuit breaker
Network type	AC
Trip unit protection functions	LSoI
[Ue] rated operational voltage	800...1000 V AC 50/60 Hz
[In] rated current	250 A at 40 °C
Network frequency	50/60 Hz
Complementary
Short-time pick-up adjustment type Isd	adjustable 9 settings
[Uimp] rated impulse withstand voltage	8 kV
Connection pitch	45 mm
Mechanical durability	15000 cycles
Trip unit rating	250-250 A at 40 °C
Upside connection	front
Long time pick-up adjustment type Ir	adjustable 9 settings
Long time pick-up adjustment range	70...250 A
Neutral protection setting	no protection (3t), 1 x Ir (4t), 0.5 x Ir (3t + N/2)
Short-time delay adjustment type	fixed
Electrical durability	1000 cycles at 1000 V In
Zone selective interlocking ZSI	without
Protection type	I : for instantaneous short-circuit protection, So : for short time short-circuit protection with fixed delay, L : for overload protection (long time)
Downside connection	front
Earth-leakage protection	without
Thermal memory	20 minutes before and after tripping
Height	255 mm
[Ics] rated service breaking capacity	10 kA at 1000 V AC 50/60 Hz conforming to IEC 60947-2, 10 kA at 800 V AC 50/60 Hz conforming to IEC 60947-2
Depth	110 mm
Width	185 mm
[Isd] short-time pick-up adjustment range	1.5...10 x Ir
Local signalling	LED 90 % Ir (orange) for overload, LED 105 % Ir (red) for overload, flashing LED (green) for ready to operate
[Ui] rated insulation voltage	1000 V AC 50/60 Hz
[tr] long-time delay adjustment range	400-400 s at 1.5 x Ir, 16-16 s at 6 x Ir, 11-11 s at 7.2 x Ir
Net weight	7.9 kg
Instantaneous pick-up adjustment type Ii	fixed
Long time delay adjustment type	fixed
Number of slots	6 slot(s)
Instantaneous pick-up adjustment range	3000 A
Mounting support	backplate
Environment
Relative humidity	0-95 %
Ambient air temperature for storage	-50-85 °C
Pollution degree	3 conforming to IEC 60664-1
IP degree of protection	IP40 conforming to IEC 60529
Ambient air temperature for operation	-25-70 °C
IK degree of protection	IK07 conforming to IEC 62262
Overvoltage category	IV
Operating altitude	2000 m...5000 m with derating, 0...2000 m without derating
Electrical shock protection class	class II
Standards	EN/IEC 60947
Product certifications	CCC, CE
Packing Units
Unit Type of Package 1	1
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	6.5 kg