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Allen Bradley 509-AJD Motor Control Contactor, 3-Pole

Allen Bradley 509-AJD NEMA Size 1 Motor Control Contactor, 230V Coil.

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ManufacturerAllen Bradley

Part number509-AJD

Poles 3

NEMA Size 1

Max Motor HP (230V) 7.5 HP

Max Motor HP (460V) 10 HP

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3-pole configuration NEMA Size 1 230VAC coil 27A AC-3 rating Industrial-grade construction Legacy Bulletin 509 series

Product description

The Allen Bradley 509-AJD is a 3-pole motor control contactor from the legacy Bulletin 509 series. This NEMA size 1 contactor is rated for 27A (AC-3 duty) and is equipped with a 230VAC coil. It is engineered for robust switching of AC motor loads in demanding industrial applications.

This contactor is widely used in motor control applications for industrial equipment such as pumps, fans, compressors, and material handling systems. Its NEMA size 1 rating provides adequate protection for its components in typical industrial settings.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 509-AJD. We are dedicated to providing reliable, tested surplus industrial automation components, ensuring you can efficiently maintain your existing systems and prevent costly operational disruptions.

Technical specifications

Poles	3
NEMA Size	1
Max Motor HP (230V)	7.5 HP
Max Motor HP (460V)	10 HP
AC-3 Rating	27A
Coil Voltage	230VAC
Series	Bulletin 509

Common applications

Motor starting

Motor stopping

Industrial machinery

Pump control

Fan control

Material handling

Compatible systems

3-Phase Motors Motor Control Panels Industrial Equipment

Also known as

Allen Bradley 509AJD Contactor Bulletin 509 Size 1 230V 27A 230V Coil Contactor

Replaces / compatible with

The Bulletin 509 series is a legacy product line. For modern applications, consider the Allen-Bradley Bulletin 100 or 100S series contactors.

Technical note

Expert tip

Ensure the control circuit voltage matches the 230VAC coil rating of the 509-AJD to prevent coil failure or improper operation.

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Frequently asked questions

What is the coil voltage for the Allen Bradley 509-AJD contactor?

The Allen Bradley 509-AJD contactor is equipped with a 230VAC coil. This coil voltage is used to activate the contactor's switching mechanism for motor control.