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Allen Bradley

Allen Bradley 1492-SP3D150 3-Pole Miniature Circuit Breaker

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ManufacturerAllen Bradley

Part number1492-SP3D150

Part Number 1492-SP3D150

Poles 3

Amperage 15A

Voltage 480V

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Veteran-owned

CAGE: 9NK75

3-Pole configuration 15A current rating D-trip characteristic for inductive loads Suitable for DIN rail mounting High magnetic trip range Reliable overcurrent protection

Product description

The Allen Bradley 1492-SP3D150 is a 3-pole miniature circuit breaker rated at 15 Amps and 480V. It features D-trip characteristics, designed for highly inductive loads, with a magnetic trip range of 10-20 times the rated current. This breaker is suitable for DIN rail mounting and offers reliable overcurrent protection.

This circuit breaker is ideal for applications with high inrush currents, such as motor starting circuits, transformers, and other highly inductive loads found in industrial automation and control systems.

Stanlo Automation provides the Allen Bradley 1492-SP3D150. As a veteran-owned surplus parts distributor, we are committed to supplying quality components for your industrial needs.

Technical specifications

Part Number	1492-SP3D150
Poles	3
Amperage	15A
Voltage	480V
Magnetic Trip Range	10-20 In (Trip Curve D)
Mounting	DIN Rail
Type	Miniature Circuit Breaker (MCB)

Common applications

Motor Starting Circuits

Transformer Protection

Highly Inductive Loads

Industrial Automation

Control Panels

Compatible systems

Compatible with standard DIN rail mounting systems in industrial control panels and automation equipment.

Also known as

Bulletin 1492 SP3D150 AB 1492-SP3D150

Replaces / compatible with

The 1492-SP3D150 is a direct replacement for other Allen-Bradley 15A, 3-pole circuit breakers with D-curve characteristics. It is also a suitable substitute for older or discontinued models with similar specifications.

Technical note

Expert tip

When selecting a 'D' curve breaker, ensure your system's inrush current during startup does not exceed the breaker's magnetic trip range to prevent nuisance tripping.

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Frequently asked questions

What type of loads is the Allen Bradley 1492-SP3D150 circuit breaker best suited for?

The Allen Bradley 1492-SP3D150 circuit breaker is specifically designed for highly inductive loads due to its D-trip characteristics. This allows it to handle the high inrush currents associated with starting motors or energizing transformers without nuisance tripping.