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MCCB DU400N 400A 4P TM 9In
Cat Number
:
 CM98404OORO
The DU Series, a new generation of MCCBs, stands out due to its state-of-the-art design, contemporary user-friendly features, ergonomics, aesthetics and compactness. DU Series complies with the latest standards like IS/IEC 60947-2, IEC 60947-2 & EN 60947-2.
The range is specially designed for tropical conditions, ensuring reliable performance at high ambient and humid environments. The range can satisfy the most demanding system requirements.The DU Series, having a wide range of accessories, ensures operational safety, reliability and versatility. The products conform to international standards, carry CE marking.

Specifications

General
Short Description
MCCB DU400N 400A 4P TM 9In
Conformity to Standard
IS60947-2, IEC60947-2 & EN60947-2
Poles
4P
Frame
DU400
Certification
BIS, NABL, DEKRA
Electrical Characteristics
Operational Frequency (Hz)
50/60 Hz
Rated breaking capacity
50kA
Rated Current
320-400
Rated impulse withstand voltage (Uimp)
8V
Rated insulation voltage (Ui)
800 V
Rated operational voltage (Ue)
690VAC
Rated Service circuit breaking capacity
50% of Icu
Release
TM
Environmental Conditions
Ambient temperature
-5°C to 55°C
IP Rating
IP40
Pollution Degree
III
Features
Load-line bias
No
Suitable for isolation
Yes
Utilization Category
A
Life
Electrical life-Operating Cycles
4000
Electrical life@1.0 In*(No.of operations
4000
Mechanical life-Operating Cycles
10000
Physical Dimensions
Height
205
Width
184
Depth
110.5
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