ZBB1G series of overvoltage protection tripper (11/05/2009)
Scope
The tripper assembly on the right side of ZBB1 mini circuit breaker, constitute the over-voltage protection circuit breakers, for protection Construction lines equipment and similar equipment, over-voltage fault.
The main technical performance indicators
1.Rated voltage: AC 230V
2.over-voltage protection action: AC 280V * (1 ± 5%)
3.movement time: <0.3s
|
Model
|
Number of pole
|
Width (mm)
|
Frame rated current (A)
|
|
ZBB1G-50/1N
|
1N
|
37
|
50
|
|
ZBB1G-50/2
|
2P
|
37
|
50
|
Applicable to work environment
1.ambient temperature: -5 ℃ ~ +40 ℃
2.altitude: ≤ 2000m
3.air relative humidity: ≤ 95%
Wiring capacity
25mm2 and the following wire
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