Allen-Bradley X-221509 is a BR-series contactor/starter accessory designed to accompany BUL.400-type BR relays in 2-pole configurations. This accessory, cataloged as X-221509, is intended for use with 2-pole BR relays and is described in supplier listings as Contactor/Starter Accessory, indicating its role as part of a BR contactor assembly. In practice, it enables a BR contactor setup to function as a starter in control-panel wiring, pairing with the 2-pole BR relay to manage load control in industrial applications.
