This Eaton / Cutler-Hammer BAB3100H Quicklag circuit breaker provides reliable overcurrent protection for commercial facilities. Featuring a 100A thermal-magnetic unit with a bolt-on mounting style for a secure connection, it is fully compatible with Eaton Pow-R-Line load centers and can replace legacy QNBL breakers in older Westinghouse enclosures. The box lug terminals accommodate a wide range of wire gauges for flexible installation..The Eaton / Cutler-Hammer BAB3100H is a three-pole, 100A miniature circuit breaker with a 10kAIC interrupting rating at 240VAC. It utilizes thermal-magnetic trip technology with long-time and instantaneous trip functions, and features a fixed trip adjustability. The breaker has a bolt-on mounting style and box lug terminals that accept wire gauges from 8 to 1/0 AWG copper or aluminum. It is designed for use with Eaton Pow-R-Line Panelboards and Westinghouse Panelboards.