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Allen Bradley

Allen Bradley 1492-SPM1B020 1-Pole Supplementary Protector

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ManufacturerAllen Bradley

Part number1492-SPM1B020

Part Number 1492-SPM1B020

Poles 1

Amperage 2A

Voltage 277 VAC

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Veteran-owned

CAGE: 9NK75

1-Pole configuration 2A current rating 277 VAC voltage rating B-curve tripping characteristics 15 kAIC interrupt rating DIN rail mountable

Product description

The Allen Bradley 1492-SPM1B020 is a 1-pole supplementary protector rated at 2 Amps and 277 VAC. It features B-curve tripping characteristics, making it suitable for general-purpose applications and the protection of control circuits. This miniature circuit breaker offers an interrupt rating of 15 kAIC and is designed for easy DIN rail mounting.

This supplementary protector is commonly employed in control panels, power supplies, and electronic circuits that require precise overcurrent protection against minor overloads and short circuits.

Source your Allen Bradley 1492-SPM1B020 from Stanlo Automation. As a veteran-owned surplus parts distributor, we are dedicated to providing quality industrial automation components.

Technical specifications

Part Number	1492-SPM1B020
Poles	1
Amperage	2A
Voltage	277 VAC
Interrupt Rating	15 kAIC
Trip Type	B-Curve
Mounting	DIN Rail
Type	Supplementary Protector

Common applications

Control Circuits

Power Supplies

Electronic Circuits

Automation Systems

General Purpose Protection

Compatible systems

Compatible with standard DIN rail mounting and suitable for integration into various control and automation panels.

Also known as

Bulletin 1492 SPM1B020 AB 1492-SPM1B020

Replaces / compatible with

The 1492-SPM1B020 can replace other 2A, 1-pole supplementary protectors with similar B-curve characteristics. It is part of the Allen-Bradley 1492-SPM series.

Technical note

Expert tip

Ensure the wiring terminals on the 1492-SPM1B020 are securely fastened to prevent loose connections, which can lead to overheating or intermittent faults.

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Frequently asked questions

What are the main applications for the Allen Bradley 1492-SPM1B020 supplementary protector?

The Allen Bradley 1492-SPM1B020 is ideal for protecting control circuits, power supplies, and electronic circuits where precise overcurrent protection against minor overloads and short circuits is needed. Its B-curve characteristic is suitable for low inrush current applications.