Connection of 220V AC contactor ?
The working voltage of contactor coil, 380 or 220V, and what do you do? How much current should the main contact be? For ...
What's the use of AC contactor's NO and NC ?
When the contactor coil is not powered up, the auxiliary contacts of the contactor in the natural state have no conducti ...
Why should netural line and protective line busbars be set up separately in the distribution box ?
Protecting grounding bus mainly plays a protective role. Generally, it connects with grounding wire. Protecting groundin ...
What is the minimum protection level for outdoor distribution boxes ?
Choose different levels of protection in different environments. The protection level of outdoor distribution boxes req ...
Differences between Miniature Circuit Breakers and Moulded Case Circuit Breakers
1. Moulded case circuit breaker can be connected to thicker conductors, such as more than 35 square meters. Miniature ci ...
Adjustment Method for trip of Moulded Case Circuit Breaker
The first method is to use the adjustable plastic case circuit breaker (with adjustable knobs on the cover) directly for ...
How to explore the Long Delay Parameters of Moulded Case Circuit Breaker
All protection is based on load, so, to understand the setting of overload protection value, according to the electrical ...
Difference between Electronic Moulded Case Circuit Breaker and Ordinary Moulded Case Circuit Breaker
Moulded case circuit breaker MCCB can only be classified as electromagnetic type and electronic type. Electromagnetic me ...
Main Characteristics of Molded Case Circuit Breaker
Rated limit short circuit breaking capacity Icu There are two kinds of breaking capacity indexes of circuit breaker: ra ...
What's the difference between the electronic and the electromagnetic releasers of leakage circuit breakers?
1. Different Auxiliary Power Supply Settings Electromagnetic leakage circuit breaker does not need auxiliary power supp ...