ALLEN BRADLEY 509-CUH-6

 The Allen-Bradley 509-CUH-6 is part of the Bulletin 509 series of full-voltage non-reversing magnetic motor starters. It features a NEMA Size 0 frame, rated for up to 18A, and includes an eutectic overload relay for motor protection. The device is commonly used in motor control centers and panel boards, providing direct-on-line (DOL) starting for three-phase motors. The "CUH" suffix denotes a factory-assembled unit with specific options, including a standard coil (typically 120V AC) and auxiliary contacts or surge suppression accessories, while the "6" indicates the overload heater size.

• Features:

  • NEMA Size 0 starter (rated up to 18A)

  • Full-voltage non-reversing magnetic starter

  • Includes eutectic overload relay

  • Typical coil voltage: 120V AC (verify per model configuration)

  • Enclosed or open style mounting (depending on order variant)

  • Compact and robust design for panel integration

  • Factory-configured auxiliary contact options available