Allen-Bradley 509-B0D SER.B Non-Reversing Starter Size1, 120V Coil 600V 27A 1

Allen‑Bradley 509‑B0D non‑reversing motor starter designed for dependable control of three‑phase AC motors in industrial applications, providing NEMA Size 1 performance with a 120 V control coil and open‑type construction for panel mounting. Manufacturer: Allen‑Bradley (Rockwell Automation) Manufacturer part number: 509‑B0D Product family: Bulletin 509 Motor Starters Product type: Non‑reversing motor starter NEMA size: Size 1 Construction type: Open type starter Rated operating voltage: Up to 600 VAC Rated continuous current: 27 A Motor starter duty: Heavy duty Control coil voltage: 110/120 VAC Control frequency: 50/60 Hz Power pole configuration: 3‑pole Main contact arrangement: Normally open (NO) power contacts Auxiliary contact capability: Accepts Bulletin 595 auxiliary contact blocks Auxiliary contact mounting: Side mount compatible Overload relay: Compatible with Allen‑Bradley 509 series overload relays Line and load terminals: Screw clamp terminals Electrical isolation: Control circuit isolated from power circuit Mounting method: Panel mount Cooling method: Natural air convection Housing material: Industrial‑grade molded components with metal mounting base Housing color: Black with metallic baseplate Operating environment: Industrial control cabinets Standards compliance: NEMA industrial motor control standards Typical applications: Motors for pumps, fans, compressors, conveyors, and machinery Product status: Legacy / discontinued Certifications: UL Listed, CSA Certified Brand marking: Allen‑Bradley Country of manufacture: United States Please review pictures carefully and let us know if you have any questions!