NA8 Air Circuit Breaker
● Frame size (A): 1600 , 2500, 4000, 7500
● Two kinds of breaking capacity: N, H (for 7500)
● Rated voltage Ue (VAC): 380/400/415, 690,
● Number of poles: 3 or 4 poles
● Mounting mode: draw-out type or fixed type
● Mode of connection: horizontal connection, vertical connection, mixed connection
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SKU: ACB4345656
Categories: Air Circuit Breaker (ACB), Electrical Products, Low Voltage Electric
Tags: ACB, Air Circuit Breaker (ACB)
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1.1 Function
Control electric circuits.
Protect people against indirect contacts and additional protection against direct contacts.
Protect installations against fire hazard due to insulation faults.
Residual current circuit breakers are used in housing, tertiary sector and industry.
1.2 Selection
Detectable wave form
Type B
Tripping is ensured for sinusoidal AC residual currents pulsed DC residual currents, alternating residual sinusoidal currents up to 1000Hz, pulsating direct residual currents and for smooth direct residual currents, whether applied suddenly or increasing slowly.
Tripping sensitivity
30mA - additional protection against direct contact.
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