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NSX400S Circuit Breaker 3P 250A 100kA/750VDC
Schneider Electric

NSX400S Circuit Breaker 3P 250A 100kA/750VDC

Ideal part number SCHC40S3TM250D Manufacturer number C40S3TM250D Barcode 3606482005594
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Product details

NSX400S Circuit Breaker, 3 poles 250A 100kA/750VDC

ComPacT NSX 250S DC is a complete 3 poles fixed circuit breaker designed to optimize space and breaking capacity. It's an optimal choice for applications using DC voltages. The breaking capacity (Icu) is 100kA rms at 750VDC. The operational voltage is 750VDC. This product embeds a 250A rating thermal-magnetic trip unit (TM-DC). TM-DC trip unit provides an adjustable thermal overload protection and an adjustable magnetic protection. The dimension is 255mm x 140mm x 110mm (H x W x D). It is compliant with international standard EN/IEC 60947.

Technical specifications

Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as normally closed contact
0
Rated permanent current Iu
250 A
Number of poles
3
Overload release current setting
175…250 A
Number of auxiliary contacts as change-over contact
5
Rated voltage
750 V
Degree of protection
IP30 (Ip: IP30)
Position of connection for main current circuit
Front side
Motor drive integrated
no
Type of electrical connection of main circuit
Screw connection
Type of control element
Toggle
With switched-off indicator
yes
Adjustment range short-term delayed short-circuit release
625…1250 A
Suitable for DIN rail
yes (Top hat rail mounting: yes)
Integrated earth fault protection
yes
Motor drive optional
yes
Device construction
Built-in device fixed built-in technique
DIN rail
yes (Top hat rail mounting optional: yes)
Complete device with protection unit
yes