Modular circuit breakers NXB-63 are designed to protect AC electrical circuits with a frequency of 50 Hz and voltages up to 400 V from overload and short-circuit currents, as well as for quickly turning on and off electrical circuits at industrial and domestic facilities.
Options
Rated operating voltage, Ue, V AC 230/400
Rated frequency of mains current, Hz 50/60
Rated operating current, In, A 50
Short circuit protection characteristics C
Ultimate breaking capacity, not less, kA 6
Rated insulation voltage, V 500
Electrical wear resistance, VO cycles, not less 10000
Mechanical wear resistance, VO cycles, not less 20000
Number of poles 3
Circuit breaker protection degree IP20
Maximum cross-section of connected wires, mm² 25
Tightening torque of terminal clamps, Nm 2,5
Operating temperature range, ˚С -35…+70
![Automatic switch NXB-63 3P C50 6kA [three-pole, 50A, 230/400V]](/files/pic/vuklyhatel/050567_1-s.jpg)
![Automatic switch NXB-63 3P C50 6kA [three-pole, 50A, 230/400V]](/files/pic/vuklyhatel/050567_1-b.jpg)
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
