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Allen Bradley 509-COB NEMA Contactor, 30A, 120V AC Coil

Allen Bradley 509-COB NEMA Contactor, 30A, 120V AC Coil.

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ManufacturerAllen Bradley

Part number509-COB

NEMA Size 1

Amperage Rating 30A

Coil Voltage 120V AC

Poles 3

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Veteran-owned

CAGE: 9NK75

NEMA Size 1 30A continuous current 120V AC coil 3-pole configuration Robust construction High reliability

Product description

The Allen Bradley 509-COB is a NEMA Size 1, 3-pole contactor rated for 30A continuous current. It is equipped with a 120V AC coil, making it a common choice for motor control and power switching applications. This contactor is known for its durability and reliable performance in industrial settings.

This model is frequently employed in motor starters, HVAC systems, and general power distribution circuits within manufacturing plants, commercial buildings, and other industrial facilities. The 120V AC coil voltage is standard in many control environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 509-COB. We provide cost-effective solutions and reliable service to meet your industrial automation needs. Keep your operations running smoothly with quality surplus components.

Technical specifications

NEMA Size	1
Amperage Rating	30A
Coil Voltage	120V AC
Poles	3
Control Voltage	120V AC
Mounting	Panel Mount

Common applications

Motor starting

HVAC control

Power switching

Industrial machinery

Automation panels

Lighting control

Compatible systems

Compatible with standard industrial control panels utilizing 120V AC control power for NEMA Size 1 contactors.

Also known as

Allen Bradley 509-COB Contactor AB 509-COB Motor Starter 509-COB 30A 120V AC

Replaces / compatible with

A direct replacement for Allen Bradley NEMA Size 1 contactors requiring a 30A rating and a 120V AC coil. Ensure electrical and physical compatibility.

Technical note

Expert tip

The 509-COB is a general-purpose NEMA Size 1 contactor; for applications exceeding 30A or specific IEC standards, consider other models.

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Frequently asked questions

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

The Allen Bradley 509-COB NEMA contactor is designed with a 120V AC coil voltage. This voltage is required to energize the coil and close the main contacts.