| 摘要 |
<p>The auxiliary trip has an electromagnet with a switch in its circuit operated by the circuit breaker part movable during opening process and a support for the electromagnet and its switch. The support (2) is made of an insulating plastic, and is shaped to form a case for the electromagnet switch (32). It has extensions (16) for the auxiliary trip (1) mounting on the circuit breaker. The contact support block is provided with grooves into which the contact pieces fit with a small clearance.</p> |
