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Allen Bradley 1489-M1D010 Miniature Circuit Breaker - 1A, 1 Pole

Allen Bradley 1489-M1D010: 1-Pole, 1A Miniature Circuit Breaker with D-Curve Trip.

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ManufacturerAllen Bradley

Part number1489-M1D010

Amperage 1A

Poles 1

Trip Type D-Curve

Voltage 277V AC/48V DC (UL/CSA), 230V AC (IEC/EN)

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Veteran-owned

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Single Pole Unit D-Curve for High Inrush Thermal-Magnetic Operation UL489 & IEC Certified DIN Rail Mountable Precision Protection

Product description

The Allen Bradley 1489-M1D010 is a 1-pole miniature circuit breaker designed for precise branch circuit protection, especially for sensitive electronic equipment. It features a thermal-magnetic trip mechanism with a D-curve, which is characterized by its very high inrush current capability, making it ideal for protecting transformers and high-surge devices. This breaker is rated for 1A and operates at 277V AC / 48V DC (UL/CSA) or 230V AC (IEC/EN), with a 15 kAIC interrupt rating.

This circuit breaker is crucial for protecting sensitive electronic circuits, control systems, and power supplies in industrial automation, telecommunications, and laboratory environments. Its D-curve characteristic provides robust protection against high transient currents without nuisance tripping.

Stanlo Automation, your veteran-owned supplier of surplus industrial automation parts, offers the Allen Bradley 1489-M1D010. We provide reliable and cost-effective solutions to ensure your critical systems remain protected.

Technical specifications

Amperage	1A
Poles	1
Trip Type	D-Curve
Voltage	277V AC/48V DC (UL/CSA), 230V AC (IEC/EN)
Interrupt Rating	15 kAIC
Series	1489-M

Common applications

Sensitive Electronics Protection

Transformer Protection

Control Systems

Power Supplies

Industrial Automation

Telecommunications

Compatible systems

Suitable for use in control panels and electronic protection systems requiring UL489 compliance and DIN rail mounting.

Also known as

Allen Bradley 1489M1D010 Bulletin 1489-M 1A Breaker 1489 Series D-Curve 1A

Replaces / compatible with

The 1489-M1D010 can replace existing 1A, 1-pole miniature circuit breakers in UL489 compliant systems, particularly those designed for high inrush current applications.

Technical note

Expert tip

The 1489-M1D010's D-curve is specifically engineered for applications where temporary, high inrush currents are expected, such as powering up large transformers or capacitor banks.

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Frequently asked questions

What distinguishes the D-curve trip type of the Allen Bradley 1489-M1D010 circuit breaker?

The D-curve trip type of the Allen Bradley 1489-M1D010 is designed to withstand very high inrush currents, typically 10 to 20 times the rated current, making it ideal for protecting equipment like transformers or high-surge devices without premature tripping.