1． General

GSW1 series Air circuit breaker is used in AC 50Hz circuits with rated operational voltage up to 690V, rated operational current from 630A to 6300A, for power distribution or preventing circuit and current supply devices from damage caused by overloading, under-voltage, short-circuit and single phase earthing.

Feature: compact structure, small volume, high breaking capacity, closed contact system, none-flashover and intelligent control.

Standard: IEC60947-2

Type of application: B

2.     Working condition and installation condition

Ambient temperature: -5 to +40℃, and the average temperature in a 24 hour period can not exceed +35℃.

Humidity is up to 50% at +40℃ ambient temperature, and 90% at 20℃.

Site altitude: ≤2000m

Pollution degree: 3

Installation category: 3,4

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