ISOLATOR SWITCHES / SWITCHED - DISCONNECTOR

UMS isolator switches, also listed as switch disconnectors, come in 20A, 32A, 40A and 63A ratings, with 2-pole, 3-pole and 4-pole versions. There are two model lines. Models ending in B (for example ISW20-2B) are listed as IP66 rated with utilisation category AC22A. Models without the B (for example ISW20-2) are listed as IP66 rated with category AC23A. To choose, start with the current rating and number of poles, then the utilisation category; each product page shows these values. A UMS isolator catalogue is available as a PDF on the Catalogue page.

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