熔断器的基本的工作原理是充分利用金属导体作为熔体串联于电路中,当过载或短路电流通过熔体时,因其本身发热而熔断,进而分断电路的一种电器。熔断器结构简单,使用方便,已经被广泛用于电力系统、各种电工设备和家用电器中作为保护器件。熔体额定电压不等于熔断器额定电压,熔体额定电压按被保护设施的负荷电流选择,熔断器额定电压应大于熔体额定电压,与主电器配合确定。
2024-03-14 02:40:51
2022-12-10 08:54:12
2024-03-12 16:24:17
2023-03-31 09:58:08
2024-03-19 00:00:12
2022-08-26 17:25:59
2022-07-29 08:43:04
2023-03-23 11:49:10
2024-03-21 16:16:25
2024-03-20 04:51:25
2022-10-26 14:45:08
2024-03-22 10:25:12
2023-04-22 16:52:33
2023-04-26 14:38:55
2024-03-08 12:43:40
2022-08-02 09:08:08
2023-04-20 16:44:04
2024-03-27 22:06:28
2022-06-24 09:21:18
2020-10-28 14:30:16
2020-10-28 10:34:17
2022-10-18 14:28:22
2024-03-12 12:06:52
2024-03-09 11:50:56
2024-03-21 18:57:39
2023-04-10 15:21:58
2024-03-27 13:14:54
2022-07-15 10:15:36
2022-09-30 09:33:05
2024-03-11 12:59:24
2024-03-26 09:08:41
2022-10-28 10:31:26
2024-03-09 22:07:37
2024-03-26 20:25:17
2024-03-22 09:39:07
2022-10-26 11:49:07
2023-02-06 09:43:51
2024-03-12 06:01:14
2021-11-15 13:35:20
2023-01-10 14:22:54
2024-03-10 21:55:30
2023-04-20 16:54:54
2024-03-12 05:46:47
2024-03-12 02:57:05
2024-03-28 15:31:19
2023-04-12 15:02:09
2024-03-16 20:13:21
2024-03-15 20:53:17
2022-08-29 15:31:36
2021-11-10 10:26:48