About Low-voltage Power Distribution ...
It is the utilization category for opening/closing a heater load ofsemiconductor contactor specified in IEC60947-4-3. Utilization categoryAC-51 applies for "... More Details >>
About Low-voltage Power Distribution ...
Since a triac element in UT-SY21 type and UN-SY11/21/31 canopen/close, surge voltage does not occur. Therefore, a coil surgesuppressor is not needed for them. More Details >>
About Low-voltage Power Distribution ...
The main circuit of US-N* type applies only AC power supply product. ForDC circuit, US-KD8 type solid state contactor can be used. More Details >>
About Low-voltage Power Distribution ...
The minimum applicable load is as follows. Contact reliability is indicatedby fault rate λ60 (Number of fault / Operating cycles per one contact) atthe relia... More Details >>
About Low-voltage Power Distribution ...
For US-N5/8SS(TE) and US-N70/80NS(TE), the rated impulse withstandvoltage is 4kV. For US-N20 to 50(TE) and US-NH70/NH80NS(TE), the ratedimpulse withstand vol... More Details >>
About Low-voltage Power Distribution ...
By opening/closing load with SSC of the zero-voltage triggering method, itreduces noise voltage when closing. More Details >>
About Low-voltage Power Distribution ...
1E is a motor protection relay against overload and constraint such as athermal load relay and an electronic motor protection relay. 2E is a motorprotection ... More Details >>
About Low-voltage Power Distribution ...
It is utilization category specified in IEC 60947-4-1. AC-1 category is usedfor heater or resistive load etc. More Details >>
About Low-voltage Power Distribution ...
It is a circuit that maintains "ON" state even when the "ON" command ofthe control coil disappears by using auxiliary contact "a" of magneticcontactor itself... More Details >>
About Low-voltage Power Distribution ...
At ambient temperature 40℃, the rated voltage (frequency) is applied to acontrol coil, and after temperature rise and saturation, it can operatewithout any t... More Details >>
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