ASI UTS400N-FTU-400-3P-LL-UL is a 400 Amp, 3 Pole circuit breaker, 3 pole 400 amp Molded Case Circuit Breaker that works as a 400 amp thermal magnetic circuit breaker. This 400A MCCB is UL489 Listed for use on UL508 control panels as a main breaker and for branch and feeder circuit protection. The 400A molded case circuit breaker features a 400A Frame. Ratings for this 400 amp mccb circuit breaker include a 35kArms at 480Vac Interrupt Capacity. The UTS400N-FTU-400-3P-LL-UL 3 pole 400 Amp thermal magnetic circuit breaker is suitable for reverse feeding and is supplied with line side and load side lugs. The unit has a fixed thermal and magnetic trip unit. Field installable internal modules such as Auxiliary and Alarm Switches, Shunt Trip and Undervoltage Release modules are available (Sold Separately). UL489 Extended Disconnect Handles, Flange-Mounted Cable Operating Handles, Flange Cables and various Locking Devices are available (Sold Separately).