page_160

< previous page | page_160 | next page >

Page 160

| Figure 9-2 Direct mounting of manually operated oil circuit breaker. |

| Figure 9-3 Manually operated oil circuit breaker for remote operation. |

| mechanical limitations because the weight and friction of the mechanisms not only tend to retard the speed of operation of the breaker but also may be beyond the physical capacity of some operators. |

| Electrically Operated Mechanisms |

| With distantly located or large circuit breakers, manual operation becomes impractical. Such breakers, therefore, are electrically operated and actuated by either solenoid (coil) or motor mechanisms. |

< previous page | page_160 | next page >