Product
Intelligent MCCB
5 stars
Technical Specification
No. Item Unit MHRM3E-125 MHRM3E-250 MHRM3E-400 MHRM3E-630 MHRM3E-800
1 Frame –rated current Inm A 125 250 400 630 800
2 Setting current Ir A 32(16,20,25,32)、63(32,36,40,45,50,55,60,63)、125(63,65,70,75,80,85,90,95,100,125) 250(100,125,140,160,180,200,225,250) 400(200,225,250,280,315,350,400) 630(400,420,440,460,500,560,600,630) 800(630,640,660,680,700,720,740,760,780,800)
3 Poles   3P/4P 3P/4P 3P/4P 3P/4P 3P/4P
4 Rated insulation voltage Ui V 1000
5 Rated impact withstand voltage Uimp kV 8000
6 Breaking ability level   M H M H M H M H M H
7 Rated limit short circuit breaking capacity (effective value) Icu kA 50 85 50 85 65 100 65 100 65 100
8 Rated operating short circuit breaking capacity Ius kA 35 65 35 65 50 65 50 65 50 65
9 Rated short-time withstand current (effective value) Icw(1S) kA 5 5 5 9.6 9.6
10 Mechanical life Times 8500 7000 4000 4000 2500
 
Application
Power grid, substation, industrial area, transportation, real estate, communication, environmental protection, municipal and technical facilities, etc.


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Perfectly applicable to distribution network of AC 50Hz with rated working voltage 400V/690V, rated working current 800A and below, it is used to distribute electric energy while protecting lines- and power equipment from overload, under-voltage, short circuit and ground fault. This series of circuit breakers have the characteristics of compact structure, small -size, high breaking capacity, short - arcing, and complete internal and external accessories. It can provide highest product safety level.

Technical Specification

No. Item Unit MHRM3E-125 MHRM3E-250 MHRM3E-400 MHRM3E-630 MHRM3E-800
1 Frame –rated current Inm A 125 250 400 630 800
2 Setting current Ir A 32(16,20,25,32)、63(32,36,40,45,50,55,60,63)、125(63,65,70,75,80,85,90,95,100,125) 250(100,125,140,160,180,200,225,250) 400(200,225,250,280,315,350,400) 630(400,420,440,460,500,560,600,630) 800(630,640,660,680,700,720,740,760,780,800)
3 Poles   3P/4P 3P/4P 3P/4P 3P/4P 3P/4P
4 Rated insulation voltage Ui V 1000
5 Rated impact withstand voltage Uimp kV 8000
6 Breaking ability level   M H M H M H M H M H
7 Rated limit short circuit breaking capacity (effective value) Icu kA 50 85 50 85 65 100 65 100 65 100
8 Rated operating short circuit breaking capacity Ius kA 35 65 35 65 50 65 50 65 50 65
9 Rated short-time withstand current (effective value) Icw(1S) kA 5 5 5 9.6 9.6
10 Mechanical life Times 8500 7000 4000 4000 2500
 
Application
Power grid, substation, industrial area, transportation, real estate, communication, environmental protection, municipal and technical facilities, etc.

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