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Main circuit breaker(motor circuit breaker)
Main circuit breaker(motor circuit breaker)

Detailed Product Description


                      Main technical performance of main circuit breaker

 RGM3 10-1600amp motor circuit breaker are the new series breakers developed to internetional standards and manufacured with advanced technology by the company.

The breakers have rated insulation voltage 690v.It is used for distribution network .

Rated current :630A,700A,800A
Rated voltage:415V

ICU:35KA,65KA,85KA

                          Function of power circuit breaker

The ABB circuit  breaker have the short-circuit ,overload,under-voltage protection, can protect the circuit line and the equipment against damage.The breaker also can be for unfrequent switching of electric circuit under normal conditions .The breakers with the frame rated current below 400A can be used for unfrequent starting and interruption of squirrel cage motors, and protect the motors against overload ,short-circuit and under-voltage.

 

   

Frame current

             1250

Type

RGM3-1250S

RGM3-1250H

RGM3-1250G

Rated current

800,1000,1250

Pole number

3   ,  4

Rated insulation Voltage

690

Rated current of N-pole

=IN

Rated working Voltage

415

Limiting breaking capacity(ICU)

50KA

65KA

85KA

Operating breaking capacity

                     100% / 75%ICU

Arc-distance

                       ≤50mm

Dielectric property

                       3000

Category

Main circuit

                       A

Aux circuit

                       AC-15

Over-current tripping device

               Thermal-magnetic

Comply standards

GB14048.2 IDT IEC60947-2

Outline

dimensions

long

                406mm

width

210mm/280mm

height

138.5mm

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