NXB-Modular Circuit Breakers 63 are designed to protect electrical circuits of alternating current with a frequency of 50 Hz with a voltage of up to 400 V from overload and short circuit currents, as well as for the rapid switching on and off of electrical circuits in industrial and domestic facilities.
Parameters
Rated operating voltage, Ue, V AC 230/400
Rated network current frequency, Hz 50/60
Rated operating current, In, А 40
Short-circuit protection characteristic C
Ultimate breaking capacity, not less than, kA 6
Rated insulation voltage, V 500
Electrical durability, VO cycles, not less than 10000
Mechanical wear resistance, VO cycles, not less than 20000
Number of poles 1
Degree of protection of the circuit breaker IP20
Maximum cross-section of connected wires, mm² 25
Tightening torque for terminal clamps, Nm 2.5
Operating temperature range, ˚С -35…+70
![Automatic switch NXB-63 1P C40 6kA [single pole, 40A, 230/400V]](/files/pic/vuklyhatel/041165-1.jpg)
![Automatic switch NXB-63 1P C40 6kA [single pole, 40A, 230/400V]](/files/pic/vuklyhatel/041165-3.jpg)
![Automatic switch NXB-63 1P C40 6kA [single pole, 40A, 230/400V]](/files/pic/vuklyhatel/019709-h-b.jpg)
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
