cage terminal for leakage circuit breaker
Cage Terminal is developed to replace the expensive and big brass terminals. Its advantages are small size, low cost, simple assembly and easy fixing, so it is widely used in the electrical devices.
An earth leakage circuit breaker (ELCB) is a ground fault protection device installed in a consumer unit (CU) or distribution board (DB) primarily to protect against electric shocks. The ELCB is basically a conventional circuit breaker equipped with a sensing coil and interlock or latching mechanism. The coil is connected to the installation ground network, thereby providing a return path to it for any fault induced voltages. Any fault voltage returning to the coil will energize it, activate the latching mechanism, and trip or switch off the circuit breaker. Although still prevalent in many countries, the earth leakage circuit breaker is gradually being supplanted by residual current devices (RCDs) which fulfill the same function but rely on current instead of voltage sensing.
Main processing craft: Cutting Material --punching--chamfer--tapping-- deburr-pickling
Feed through screw terminal The main characteristics include:
1. High durability
2. Excellent strength
3. Dimensional precision
4. Resistant to corrosion
5. Very good surface finish
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