Allen-Bradley 1492-CB3H030 3 Pole Circuit Breaker

The Allen-Bradley 1492-CB3H030 is a three-pole Manual Motor Controller / Circuit Breaker (H-Trip) designed for control panels protecting motors and highly inductive loads. It is rated for 3 A and configured for 277 VAC three-phase operation or 65 VDC, with an H-Trip magnetic characteristic engineered to handle high inrush and inductive starting conditions. This Series B device is intended for DIN rail mounting and delivers compact, reliable protection for small-motor circuits, with a maximum motor rating of 5 HP at 480Y/277 VAC. The 3-pole unit features a 3 A rated current and an H-Trip range specified as 12–20× the rated current, accommodating circuits with substantial starting surges. Note that this part has been discontinued by the manufacturer as of 2007-11-30.