Legrand DPX3 630 moulded case circuit breaker 4P, 400 A, 50 kA, IP30, reference 422021, overload release setting range 320…400 A, short-circuit release setting range 2000…4000 A. A moulded case circuit breaker is used to switch distribution circuits and protect them against overloads and short circuits. Parameters: rated current In 400 A; number of poles 4; breaking capacity Icu 50 kA; overload release setting range 320…400 A; short-circuit release setting range 2000…4000 A; number of auxiliary changeover contacts 2. Design: with trip indicator, with integrated undervoltage release, supplied with protection device.
Technical data
Series
DPX3 630
Ultimate breaking capacity Icu
50 kA
Rated current In
400 A
Device design
Permanently installed device
For TH rail mounting
No
Number of poles
4
Number of auxiliary changeover contacts
2
Optional DIN (TH) rail mounting
No
Optional motor operator
Yes
Actuator type
Switch
Main contact connection type
Screw connection
Degree of protection (IP)
IP30
Main circuit terminal location
Front
Supplied with protection device
Yes
Integrated motor operator
No
Rated voltage range (min-max)
220-690 V
Overload release setting range (min-max)
320-400 A
Short-circuit release setting range (min-max)
2000-4000 A
With trip indicator
Yes
With integrated undervoltage release
Yes
Integrated earth fault protection
No
Rated short-circuit breaking capacity Icu at 400 V, 50 Hz
50 kA
Rated uninterrupted current Iu
400 A
Technical data according to the manufacturer's documentation.
