CSA C22.2 No.178.1-2022由SCC 发布于 2022-07-01。
CSA C22.2 No.178.1-2022在国际标准分类中归属于: 29.120.40 开关。
CSA C22.2 No.178.1-2022 的最新版本是哪一版？
最新版本是 CSA C22.2 No.178.1-2022 。
1 Scope 1.1 This standard applies to the following types of transfer switches that have a maximum rating of 1000 volts for use in non-hazardous locations, in accordance with Annex A1, Item 1: a) Automatic transfer switches; b) Manual or non-automatic transfer switches; c) Closed transition transfer switches; d) Hybrid transfer switches; e) Transfer switches for fire pumps; f) Bypass/isolating switches; g) Softload transfer switches; h) Transfer switches intended for use as service equipment; i) Transfer switches intended for use in mobile/portable applications such as recreational vehicles, motor homes, camping trailers, and mobile health care facilities; j) Inlet assemblies for transfer switch equipment; k) Arc resistant transfer switch equipment; l) Cord connected transfer switch equipment; m) Combination meter/transfer equipment assemblies; and n) In Mexico and the United States, branch circuit emergency lighting transfer switches (BCELTS). In Canada, the requirements for BCELTS do not apply. 1.2 This standard specifically does not apply to: a) Double-throw switches for use in optional standby systems; b) Switches used in equipment manufactured in accordance with Annex A1, Item 9; c) In Canada, manually operated generator transfer panels in accordance with Annex A1, Item 12. d) Transfer switches rated over 1000 V; e) Solid-state (static) transfer equipment; f) Transfer switches for aircraft; and g) Transfer switches for water craft. 1.3 These requirements apply to transfer switches and their associated control devices including voltage sensing relays, frequency sensing relays, time-delay relays, and the like.
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