Item details
Downloads
Item details
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as normally closed contact
0
Rated permanent current Iu
400
Number of poles
3
Overload release current setting
280
Number of auxiliary contacts as change-over contact
0
Rated voltage
750
Degree of protection (IP)
IP3X
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
Switched-off indicator available
Yes
Adjustment range short-term delayed short-circuit release
1000
Adjustment range undelayed short-circuit release
1000
Suitable for DIN rail (top hat rail) mounting
No
Integrated earth fault protection
No
Motor drive optional
Yes
Device construction
Built-in device fixed built-in technique
DIN rail (top hat rail) mounting optional
No
Complete device with protection unit
Yes

C40S3TM400D | Schneider Electric

circuit breaker ComPacT NSX400S DC, 100 kA at 750 VDC, TM-DC trip unit, 400 A rating, 3 poles
£ 1,768.61 -30%
£ 1,238.03
£ 1,485.63 inc. VAT

Call for availability

500 available on 06/11/2026