About Low-voltage Power Distribution ...
The maximum ambient temparature for US-N/K/H type is 60℃ and theycan not be used with more than 60℃. If the temparature is more than60℃, you need to consider... More Details >>
About Low-voltage Power Distribution ...
The head-on type of UN-AX 2 and AX 4 type can be installed. The side-onunit of UN-AX 11 type can not be installed. More Details >>
About Low-voltage Power Distribution ...
These two different colors of the knob identify 2-element type and 3-element type of a thermal load relay. Gray: TH-* (Heater 2-element type)Orange: TH-*KP t... More Details >>
About Low-voltage Power Distribution ...
The current transformer in ET-N* type detects the main circuit current,deals with overcurrent protection, and protects the load equipment. Sincethe applicabl... More Details >>
About Low-voltage Power Distribution ...
When a motor is overcurrent (overload) due to overload, constraint,phase-loss etc, a thermal load relay prevents motor burnout by heatingand bending a built-... More Details >>
Electronic MCCB 400-1600A How to ch...
First, turn OFF the upstream circuit breaker and the relevant circuit breaker. You must not work in the state where voltage is applied to the relevant circui... More Details >>
"b contact" is normally closed contact, and It is also called "NC (Normally Closed) contact". More Details >>
Horizontal connection type (standard: AE-SW up to 3200A except 2000-SWA), Vertical connection (VT) type (standard: 2000-SWA,4000-SWA -6300-SW) and Front conn... More Details >>
Short circuit current calculation sof...
You can calculate that with MELSHORT 2 (Free of charge). More Details >>
If switching of neutral pole is not needed, it is possible to use 3-pole MCCB for 3-phase 4- wire circuit. Generally, it is recommended to use 4-pole circuit... More Details >>
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