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
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