Legrand DPX3 250 moulded case circuit breaker 3P, 40 A, 50 kA, IP30 (catalogue number 420542), rated current In 40 A, overload release setting range 16…40 A. A moulded case circuit breaker is used to switch distribution circuits and protect them against overloads and short circuits. Key parameters: rated current In 40 A; number of poles 3; breaking capacity Icu 50 kA; overload release setting range 16…40 A; short-circuit release setting range 24…400 A; number of auxiliary changeover contacts 1. Design: integrated earth-fault protection, optional DIN TH rail mounting, with trip indicator. Use: for TH rail mounting.
Technical data
Series
DPX3 250
Ultimate breaking capacity Icu
50 kA
Rated current In
40 A
Battery or accumulator
Battery
Battery weight (g) for Type 1
1.1
Device design
Permanently installed device
For TH rail mounting
Yes
Number of batteries
1
Number of poles
3
Number of auxiliary changeover contacts
1
Number of auxiliary NC contacts
1
Type 1 number
2
Optional DIN (TH) rail mounting
Yes
Optional motor operator
Yes
IEC designation
CR1616
Actuator type
Switch
Main contact connection type
Screw connection
Battery type/technology
Lithium
Degree of protection (IP)
IP30
Total weight of the batteries (Type 1)
2.2
Adjustment type
Portable (standard format)
Type 1 location
Product contains a battery
Main circuit terminal location
Front
Supplied with protection device
Yes
Integrated motor operator
No
Rated voltage range (min-max)
220-690 V
Short-time delay release setting range (min-max)
24-400 A
Overload release setting range (min-max)
16-40 A
Short-circuit release setting range (min-max)
24-400 A
Contains battery and/or accumulator
Yes
With trip indicator
Yes
With integrated undervoltage release
Yes
Integrated earth fault protection
Yes
Rated short-circuit breaking capacity Icu at 400 V, 50 Hz
50 kA
Rated uninterrupted current Iu
40 A
Technical data according to the manufacturer's documentation.
