| 摘要 |
<p>The block has a differential switch (1) equipped with an electromagnetic relay (3) and circuit breakers (2). Each circuit breaker has a lock for unlocking the breaker by controlling the differential switch. Input connection terminals (10, 11) are connected to the switch, and output connection terminals (12, 12`-16, 16`) correspond to number of breakers. The breakers are provided with a lever connected to the relay and another lever of adjacent circuit breaker. The levers exert a triggering action on the locks by controlling the relay.</p> |
