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63A 3P+N AC400V 10kA Miniature Circuit Breaker

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  • WSB9S-80

Main technical parameters

Model: WSB9S-80

Instantaneous tripper type: C, other types to be customized.

Rated running short circuit breaking capacity Ics: a: 4.5kA (6-63A); 3.0kA(80A)

                                                                                    N: 6.0kA (6-63A); 4.5kA(80A)

                                                                                    H: 10kA (6-63A); 6.0kA(80A)

External signal control wire connection: Sectional area 0.3mm², with pressed terminal of 30cm (other length to be customized)

Electrical life: 10000 times

Mechanical life: 20000 times

Action voltage under voltage time delay shunt release of the controlling signal:  230V

Action time under voltage time delay shunt release of the controlling signal: 0.5s<t<2s

Repeat operation interval under voltage time delay shunt release of the controlling signal: Not less than 3min


Features of over-current tripping

Rated current

Initial state

Test current

Regulated time

Expected result

In≤63

cold

1.13In

t≤1h

No tripping

In>63

cold

1.13In

t≤2h

No tripping

In≤63

thermal

1.45In

t≤1h

Tripping

In>63

thermal

1.45In

t≤2h

Tripping

In≤32

cold

2.55In

1s<t<60s

Tripping

In>32

cold

2.55In

1s<t<120s

Tripping

All specification

cold

5In

t≤0.1s

No tripping

All specification

cold

10In

t<0.1s

Tripping

截图20211101141158

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