Legrand DPX moulded case circuit breaker 4P, 320 A, 50 kA, with measurement, electronic trip unit, reference 422876. A moulded case circuit breaker is used to switch distribution circuits and protect them against overloads and short circuits. Parameters: rated current In 320 A; breaking capacity Icu 50 kA; overload release setting range 0.2…1 A; number of auxiliary changeover contacts 1; voltage type AC; width 270 mm, height 150 mm, depth 170 mm. Design: optional DIN TH rail mounting, supplied with protection device, optional motor operator. Application and mounting: for TH rail mounting.
Technical data
Series
DPX 250 1600
Ultimate breaking capacity Icu
50 kA
Depth
170 mm
Rated current In
320 A
Width
270 mm
Height
150 mm
Device design
Complete device in housing
For TH rail mounting
Yes
Supply direction
From top or bottom
Colour
Grey
Number of poles
3
Number of auxiliary changeover contacts
1
Number of auxiliary NC contacts
1
Number of auxiliary NO contacts
1
Labelling area
Yes
Impact resistance
IK07
Optional DIN (TH) rail mounting
Yes
Optional motor operator
Yes
Terminal marking
No
Terminal cross-section (min-max)
90 - 150 mm²
Actuator type
Switch
Connection cable type
Flexible or rigid
Voltage type
AC
Main contact connection type
Screw connection
Degree of protection (IP)
IP30
Storage temperature (min-max)
-40 - 85 °C
Main circuit terminal location
Rear
Supplied with protection device
Yes
Integrated motor operator
No
Frequency range (min-max)
50-60 Hz
Rated voltage range (min-max)
230-400 V
Short-time delay release setting range (min-max)
1.5 - 10 A
Overload release setting range (min-max)
0.2 - 1 A
Operating temperature range (min-max)
-5 - 70 °C
Contains battery and/or accumulator
No
With trip indicator
No
With integrated undervoltage release
No
Integrated earth fault protection
No
Rated short-circuit breaking capacity Icu at 400 V, 50 Hz
50 kA
Rated uninterrupted current Iu
320 A
Technical data according to the manufacturer's documentation.
