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Allen Bradley

Allen Bradley 1489-D1C050 5A 1-Pole Miniature Circuit Breaker

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ManufacturerAllen Bradley

Part number1489-D1C050

Amperage 5A

Poles 1

Voltage 277V

Trip Curve C

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Veteran-owned

CAGE: 9NK75

5A rating 1-Pole C-Curve trip DIN-rail mountable UL489 miniature breaker Thermal magnetic protection

Product description

The Allen Bradley 1489-D1C050 is a 1-pole miniature circuit breaker from the Bulletin 1489-D series, designed for branch circuit protection. It features a 5 Amp rating, a C-curve trip characteristic, and a voltage rating of 277V. This thermal magnetic breaker is DIN-rail mountable for easy installation in control panels.

This circuit breaker is suitable for protecting control circuits, relay and contactor feeds, and auxiliary distribution in panel boards. Its compact design makes it ideal for space-constrained panel installations where reliable overcurrent protection is required.

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Technical specifications

Amperage	5A
Poles	1
Voltage	277V
Trip Curve	C
Mounting	DIN Rail
Type	Thermal Magnetic
Interrupt Rating	10kA@480Y/277V

Common applications

Control Circuits

Relay Protection

Contactor Feed Protection

Auxiliary Distribution

OEM Control Cabinets

Compatible systems

Industrial Control Panels Panelboards

Also known as

Allen Bradley 1489-D1C050 CB Bulletin 1489-D 5A Breaker

Replaces / compatible with

This model is a direct replacement for many older Allen Bradley 1489-D series circuit breakers and is compatible with various legacy panel rebuilds.

Technical note

Expert tip

This breaker is designed for DC applications as indicated in some specifications, but also commonly used in AC control circuits. Verify application suitability.

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Frequently asked questions

What is the interrupting rating of the Allen Bradley 1489-D1C050 circuit breaker?

The Allen Bradley 1489-D1C050 has an interrupting rating of 10kA at 480Y/277V, ensuring reliable clearing of faults. It is a 5A, 1-pole miniature circuit breaker with a C-curve trip characteristic.