Allen-Bradley 150-C3NCR Smart Motor Controller

Allen-Bradley 150-C3NCR Smart Motor Controller is an SMC-3, 3 A, open-type smart motor controller designed to start, protect, and control a three-phase motor from a 200–600 V supply with a 24 V AC/DC control power input. It supports 50/60 Hz operation and includes integrated motor overload protection plus a built-in SCR/run bypass, offering delta compatibility to accommodate different motor wiring configurations. The unit is rated for a continuous operating current of 3 A at 40 °C ambient and provides about 1.5 kW of motor power at 400 V for standard three-phase motors, with IP2X protection for light dust and incidental contact. Its compact footprint measures 7.087 in long, 6.6929 in wide, and 3.5429 in high, enabling installation in tighter control panels or machine cabinets. Manufactured by Allen-Bradley (Rockwell Automation) as part of the SMC-3 family, the 150-C3NCR is a space-efficient solution that smooths start/stop sequences and protects motors from overload.