1492-SP1C100 | Allen-Bradley 10A 277V 1-Pole Thermal-Magnetic Supplementary Protector
1492-SP1C100 | Allen-Bradley 10A 277V 1-Pole Thermal-Magnetic Supplementary Protector
1492-SP1C100 | Allen-Bradley 10A 277V 1-Pole Thermal-Magnetic Supplementary Protector
    1492-SP1C100 | Allen-Bradley 10A 277V 1-Pole Thermal-Magnetic Supplementary Protector
1492-SP1C100 | Allen-Bradley 10A 277V 1-Pole Thermal-Magnetic Supplementary Protector

1492-SP1C100 | Allen-Bradley 10A 277V 1-Pole Thermal-Magnetic Supplementary Protector

Part #: 1492-SP1C100 Manufactured by: Allen-Bradley
$77.00
$77.00
40 in Stock
Condition: New – Open box
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Product Overview
Allen Bradley 1492-SP1C100 Supplementary Protector/Miniature Circuit Breaker with C-Trip for Inductive Loads, C-Tr...  Read more
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Product Description P/N: 1492-SP1C100

Description / Specifications

Description 

The Allen-Bradley 1492-SP1C100 is a single-pole supplementary protector designed to provide dependable overcurrent protection in branch and control circuits. Rated at 10 amps and 277 volts, it uses thermal-magnetic trip technology to safeguard equipment from long-time overloads and instantaneous faults. Compact and panel-friendly, it supports reliable circuit isolation in industrial and commercial applications.

 

 

Technical Specifications

Condition New/Never Used Surplus
Brand Allen-Bradley
Category Circuit Breaker
Part Number 1492-SP1C100
Subcategory Din Rail Mount Circuit Breaker
Voltage Rating 277 V
Amperage 10 A
Poles 1
Trip Characteristics C-Curve
Protection Type Thermal-magnetic
Functions LI – Long-time and Instantaneous trip
AIC Rating 10 kA @ 277 V
Connection Feed-thru
Phase 1-phase
Mounting Style DIN rail
Trip Unit Non-interchangeable
Application Supplementary circuit protection

  

 

Information About 1492-SP1C100

The 1492-SP1C100 is part of the Allen-Bradley Bulletin 1492-SP series, engineered for DIN-rail–mounted circuit protection in control panels and distribution systems. Its C-curve trip characteristics make it suitable for moderate inrush loads while maintaining fast response to short-circuit events. Designed with feed-thru connection terminals, the device provides straightforward wiring and easy integration into single-phase electrical installations. Featuring non-interchangeable trip functions and a thermal-magnetic mechanism, the unit offers consistent, maintenance-friendly protection aligned with modern industrial safety requirements.

Key Features:

  • Single-Pole Supplementary Protection: Designed for individual circuit safeguarding up to 10A.
  • Thermal-Magnetic Trip: Protects against overload (long-time) and short-circuit (instantaneous) conditions.
  • C-Curve Tripping: Suitable for circuits with moderate inrush currents.
  • 277V Rating: Supports single-phase applications at common industrial voltage levels.
  • 10 kA Interrupt Rating: Provides reliable fault clearing capability at 277V.
  • Feed-Thru Terminals: Simplify wiring and panel layout.
  • DIN-Rail Mount Design: Ensures quick, secure installation in control enclosures.
  • Non-Interchangeable Trip Unit: Enhances device integrity and long-term reliability.

The 1492-SP1C100 delivers the reliability and precision required for dependable supplementary protection in electrical control and distribution circuits.

Frequently Asked Questions about 1492-SP1C100
Question: What is the 1492-SP1C100 used for?
Date Update:19/06/2025
Answer:

The Allen-Bradley 1492-SP1C100 is a single-pole miniature circuit breaker designed to provide overcurrent protection in industrial and commercial electrical systems. Rated for 10A and 277V AC, it’s ideal for use in individual branch circuits where precision and reliability are critical. This circuit breaker helps prevent damage to wiring and equipment by interrupting excessive current flow. It’s a dependable solution for both control panels and general-purpose protection.

Question: What does “C-trip curve” mean?
Date Update:19/06/2025
Answer:

A C-curve breaker is designed to trip when the current reaches 5 to 10 times the rated current. This makes it suitable for applications with moderate inrush currents, such as lighting and motor control circuits. It offers a balance between sensitivity and tolerance to short-term current surges. This reduces nuisance tripping while maintaining protective integrity.

Question: How is the breaker installed and connected?
Date Update:19/06/2025
Answer:

Installation involves:

  1. Mounting the unit on a DIN rail
  2. Connecting the line side to the power source via lug terminal
  3. Connecting the load side to the protected circuit
  4. Tightening terminals to manufacturer-recommended torque
  5. Verifying correct operation with test equipment

No special tools are required beyond standard screwdrivers and torque tools.

Question: What is the AIC rating and why is it important?
Date Update:19/06/2025
Answer:

The 1492-SP1C100 has an AIC (Ampere Interrupting Capacity) of 10kA at 277V. This means it can safely interrupt fault currents up to 10,000 Amps without damage. It ensures that the breaker can handle high-energy fault conditions commonly seen in industrial environments.

Question: Is the 1492-SP1C100 still in production?
Date Update:19/06/2025
Answer:

Yes, the 1492-SP1C100 is actively produced and supported by Rockwell Automation. It is widely available from Allen-Bradley distributors and remains part of the Bulletin 1492 series. It’s suitable for both new installations and maintenance of existing systems.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1492-SP1C100 is a single-pole supplementary protector designed to provide dependable overcurrent protection in branch and control circuits. Rated at 10 amps and 277 volts, it uses thermal-magnetic trip technology to safeguard equipment from long-time overloads and instantaneous faults. Compact and panel-friendly, it supports reliable circuit isolation in industrial and commercial applications.

 

 

Technical Specifications

Condition New/Never Used Surplus
Brand Allen-Bradley
Category Circuit Breaker
Part Number 1492-SP1C100
Subcategory Din Rail Mount Circuit Breaker
Voltage Rating 277 V
Amperage 10 A
Poles 1
Trip Characteristics C-Curve
Protection Type Thermal-magnetic
Functions LI – Long-time and Instantaneous trip
AIC Rating 10 kA @ 277 V
Connection Feed-thru
Phase 1-phase
Mounting Style DIN rail
Trip Unit Non-interchangeable
Application Supplementary circuit protection

  

 

Information About 1492-SP1C100

The 1492-SP1C100 is part of the Allen-Bradley Bulletin 1492-SP series, engineered for DIN-rail–mounted circuit protection in control panels and distribution systems. Its C-curve trip characteristics make it suitable for moderate inrush loads while maintaining fast response to short-circuit events. Designed with feed-thru connection terminals, the device provides straightforward wiring and easy integration into single-phase electrical installations. Featuring non-interchangeable trip functions and a thermal-magnetic mechanism, the unit offers consistent, maintenance-friendly protection aligned with modern industrial safety requirements.

Key Features:

  • Single-Pole Supplementary Protection: Designed for individual circuit safeguarding up to 10A.
  • Thermal-Magnetic Trip: Protects against overload (long-time) and short-circuit (instantaneous) conditions.
  • C-Curve Tripping: Suitable for circuits with moderate inrush currents.
  • 277V Rating: Supports single-phase applications at common industrial voltage levels.
  • 10 kA Interrupt Rating: Provides reliable fault clearing capability at 277V.
  • Feed-Thru Terminals: Simplify wiring and panel layout.
  • DIN-Rail Mount Design: Ensures quick, secure installation in control enclosures.
  • Non-Interchangeable Trip Unit: Enhances device integrity and long-term reliability.

The 1492-SP1C100 delivers the reliability and precision required for dependable supplementary protection in electrical control and distribution circuits.

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