Allen-Bradley 709B0D Magnetic Starter

The Allen-Bradley 709B0D Magnetic Starter is a full-voltage, NEMA Size 1 motor starter that starts and protects three‑phase AC motors in industrial control applications. It combines a magnetic contactor with overload protection and is commonly installed in motor control centers, industrial control panels, HVAC systems, conveyors, pumps, compressors, fans, machine tools, and general manufacturing equipment. Key specifications include a 3‑pole, open‑type enclosure design rated for up to 600 VAC, control coil voltage of 110–120 VAC at 60 Hz (110 VAC at 50 Hz), and a 27 A full‑load current rating. This device belongs to Allen‑Bradley’s Bulletin 709 family and carries the manufacturer part number 709B0D; it is a common replacement for other Bulletin 709 Size 1 starters such as the 509-BOD Magnetic Starter.