CAN/CSA-C22.2 No.107.1-M91

1. Scope 1.1 This standard applies to ac and dc type power supplies including rack-mounted and modular units, for commercial and industrial, indoor and outdoor use in nonhazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I. Note: These power supplies may include battery charging functions. 1.2 Clauses l to 6 are general in nature and apply, unless otherwise noted, to the power supplies covered by Clauses 7 to 11, as follows: (a) Clause 7--industrial dc power supplies; (b) Clause 8--power converters for recreational vehicles; (c) Clause 9--static transfer switches; (d) Clause 1O--inverters; and (e) Clause 11--uninterruptible ac power supplies. 1.3 This Standard does not apply to (a) automotive and nonautomotive battery chargers as covered by CSA Standard CAN/CSA-C22.2 No. 107.2; (b) power supplies intended to supply extra-low voltage for the operation of household electronic equipment, telecommunication equipment, and motor-operated equipment as covered by CSA Standard C22.2 No. 223; (c) "built-in" component type power supplies forming an integral part of end use equipment such as telecommunication equipment, electronic data processing equipment and office machines as covered by CSA Standard CAN/CSA-C22.2 No. 234; and (d) rotating type rectifiers.