Altech Corp. Double Pole Supplementary B-Trip Circuit Breakers 2BU60R

The Altech Corp. Double Pole Supplementary B-Trip Circuit Breaker, part number 2BU60R, is designed for use in applications requiring supplementary protection on the load side of branch circuit protection. It operates at a voltage rating of 480Y/277VAC and is suitable for 50/60Hz systems. The device features a thermal magnetic trip mechanism with a short circuit withstand capacity of 10kA when used with a UL-listed Class J back-up fuse, and 5kA without a back-up fuse for current ratings between 8A and 63A. The breaker has a width of 17.5mm per pole and is DIN rail mounted, making it suitable for compact installations. It is rated for a mechanical life of 10,000 cycles and an electrical life of 6,000 cycles. The operating temperature range is from -25¬8C to 60¬8C, with storage temperatures from -25¬8C to 75¬8C. The product includes a positive trip indicator, enhancing visibility of its operational status.