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3P 80A AC 230V 10kA Miniature Circuit Breaker

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  • WSB9-80

General

WSB9-80 series miniature circuit breaker is used at lines with rated current upto 80A, AC 50Hz or 60Hz, rated operation voltage AC230V/400V.

It is used for overload and short circuit protection, and unfrequent operation transfer of the lines.

The breaker suits at places of commercial office, civil building and other similar building.

The breaker meets standard of IEC60898-1.



Main technical parameter

Rated current A

Poles P

Rated voltage V

Breaking capacity

Instantaneous tripping type

Range of instantaneous protection current

1, 3, 6, 10, 16

20, 25, 32

40, 50, 63, 80

1P, 2P

3P, 4P

230/400

a: 4.5kA (6-63A), 3kA (80A)

N: 6kA(6-63A), 4.5kA (80A)

H: 10kA(6-63A), 6kA (80A)

B

3In<I≤5In

C

5In<I≤10In

D

10In<I≤20In


Rated current

Initial state

Test current

Set time

Expected result

In≤63

cold

1.13In

t≤1h

No tripping

In>63

t≤2h

In≤63

thermal

1.45In

t≤1h

Tripping

In>63

t≤2h

In≤32

cold

2.55In

1s<t<60s

Tripping

In>32

1s<t<120s

All specifications

cold

5In

t≤0.1s

No tripping

10In

t<0.1s

Tripping


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