The breakers conform to UL 489, CSA 22.2 No. 5 and IEC/EN 60947-2 standards. They are, the company says, currently the only UL489 MCB on the market with rated current up to and including 35 A for 480Y/277 VAC, and up to 63 A for 240 VAC. The Supplemental Protection conforms to UL1077, CSA 22.2 No. 235 and EN 60947-2 standards. Both ranges are available in 1, 2, 3 and 4 pole configurations, from 0.2 A through 63 A, and feature integrated captive screws that simplify the secure connection of cables, prevent installers from loosing the connection screws, provide extra protection and save time. All markings are permanent laser markings, clearly visible from the front even when mounted in position on the DIN rail. The breakers have a true Contact Position Indicator (CPI) that indicates the actual contact position, ensuring the display of fault conditions such as contacts that may be “welded” closed due to excessive fault current. They also comply with the latest UL requirement for barriers of MCBs fitted with ring tongue terminals, and their structural material is a flexible, recyclable thermoplastic.

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