Overview

Description

The SW202/CB circuit breaker is designed to control the incoming supply to electrical motors, lighting and auxiliary supplies in an underground environment. The circuit breaker has a maximum rating of 1140V, 500A, 50/60Hz.

Two designs of the circuit breaker are available:

1. W202/CBHA – hand operated
2. SW202/CBMO – electrical closing

Performance Data

Working Voltage 3PH 50/60Hz, 1140V；
Max. External Ambient 40oC；
Busbar Rating 500A
Isolator - EARTH/OFF/ON (Off load) 500A
Isolator Mechanical Life3,000 Operations min

MCCB – ABB SH630/M 1000V 630 A
Short Circuit protection 3150A (default) to 6300A
MCCB Mechanical Life 10,000 Operations min

Electronic Protection AWT20 module

Earth Fault Protection Single point
Earth Fault Trip 90 mA +/-10% @ 200mSec.

Earth Fault Lockout 20 K Ohm

Short Circuit Multiplier x4

Full Load Current 500Amps

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