Modular auto off switches NXB-63 pre are assigned to protection of electrical circuits of alternating current with a frequency of 50 Hz with voltage up to 400 V against overload and short-circuit currents, as well as for operational switching on and off of electrical circuits at industrial and domestic facilities.
Parameters
Rated operating voltage, Uе, V AC 230/400
Rated mains frequency, Hz 50/60
Rated operational current, In, A 40
Short-circuit protection characteristic C
Ultimate breaking capacity, not less, kA 6
Rated insulation voltage, V 500
Electrical durability, VO cycles, not less than 10000
Mechanical durability, VO cycles, not less than 20000
Number of poles 3
Switch protection degree IP20
Maximum cross-section of the connected wires, mm² 25
Tightening torque of terminal clamps, Nm 2.5
Operating temperature range, ˚С -35 ...+70
![Automatic switch NXB-63 3P C40 6kA [three-pole, 40A, 230/400V]](/files/pic/vuklyhatel/041166-1.jpg)
![Automatic switch NXB-63 3P C40 6kA [three-pole, 40A, 230/400V]](/files/pic/vuklyhatel/041166-3.jpg)
The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
