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AZK3-20

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Switching devices AZK3-20 Switching devices AZK3-20 Switching devices AZK3-20
* Pictures are placed for illustration purpose only. Appearance of real component may differ

Circuit breaker designed to protect DC and AC circuits from current overloads (unacceptable duration or current) and short-circuit currents.

Operation principle is the following: under the overloading current, the bimetal strip bends by temperature and drive the release mechanism, which breaks the circuit.

The circuit breaker assembly can operate either as a manual switch or as an automatic circuit breaker with bimetal release.

Main parameters

Rated voltage at frequency 400±20 Hz and cos ?≥ 0.5, not more than, V

linear 200 (+7.0/-13.0)

phase to neutral 115 (+4.0/-7.0)

Rated current, A

1; 2; 3; 5; 7,5; 10; 15;

20; 25; 30; 35; 40; 50

Cut-off currentmultiplicator at +20 ± 5 °C, not more than

for 1 A circuit breaker

for 2 A circuit breaker

for 3-5 A circuit breaker

for 7.5-15 A circuit breaker

for 20-50 A circuit breaker

1-pole

3-pole

2.4

1.7

2.2

1.6

2.0

1.5

1.9

1.4

1.9

1.5

Cut-off current multiplicatorat -60 ± 3 °C, not more than

for 1 A circuit breaker

for 2 A circuit breaker

for 3-5A circuit breaker

for 7.5-50A circuit breaker

1-pole

3-pole

2.8

2.2

2.6

2.0

2.4

1.9

2.3

1.8

Thermal release cut-off time, min, not more than

for A3K3-1-15

for A3K3-20-50

30

50

Relative humidity at +40 oC

98%

Ambient air temperature, oC

-60..+60

Warranty, years

10

Mass, not more than, g

140

You can order AZK3-20 from us

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