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Allen-Bradley 1492-SP3C040 supplementary protector for industrial automation

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1492-SP3C040 Allen-Bradley

by Allen-Bradley

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OverviewThe Allen-Bradley 1492-SP3C040 is a high-performance supplementary protector engineered to deliver superior 24V DC power safeguarding within demanding industrial settings. This compact device protects control systems, Programmable Logic Controllers (PLCs), and other vital industrial equipment from damaging electrical events. Featuring a stable 3.2A output and an efficient 40W rating, it ensures continuous operation and extended lifespan for your critical components. Designed for reliable overload and short-circuit protection, the 1492-SP3C040 is an essential asset for maintaining the integrity of automation systems and sensitive electrical circuits. Its intelligently designed compact form factor makes this protector an ideal choice for installations where space is limited, such as densely packed control panels. Adhering to stringent industrial standards for both safety and reliability, it offers unparalleled peace of mind in challenging operational contexts. This protector integrates seamlessly into existing setups, providing robust defense against common electrical faults and significantly reducing the risk of downtime and costly repairs.Key Features Robust Overload & Short Circuit Protection: Engineered to prevent catastrophic damage to sensitive industrial equipment from unexpected power surges and electrical short circuits. Space-Saving Compact Design: Optimized for installations in confined spaces, its miniature footprint makes it perfect for densely packed control panels without compromising performance. Unwavering Industrial Reliability: Built to endure the rigors of harsh industrial settings, ensuring consistent and dependable protection for your critical equipment over its operational lifespan. High Efficiency 24V DC, 40W Output: Delivers precisely regulated 24V DC power with a 3.2A output and a 40W rating, maximizing energy utilization and minimizing waste. Effortless DIN Rail Mounting: Features a standard DIN rail mounting mechanism, facilitating rapid, secure, and professional installation within industrial enclosures. Comprehensive Global Certifications: UL, cUL, CE, and RoHS certified, guaranteeing compliance with essential international safety and environmental standards. Wide Operating Temperature Range: Operates reliably across a broad temperature spectrum from -25°C to 70°C, ensuring performance in diverse environmental conditions. Technical Specifications Part Number: 1492-SP3C040 Input Voltage: 100-240V AC, 50/60Hz Output Voltage: 24V DC Output Current: 3.2A Output Power: 40W Protection Type: Overload, Short Circuit Dimensions: 4.33" x 2.83" x 1.53" (110 mm x 72 mm x 39 mm) Weight: 0.66 lbs (0.3 kg) Operating Temperature Range: -25°C to 70°C (-13°F to 158°F) Certifications: UL, cUL, CE, RoHS Mounting Type: DIN Rail Cooling: Convection cooled Applications Industrial Automation Systems: Essential for protecting sensitive control systems, proximity sensors, human-machine interfaces (HMIs), and actuators in complex automated processes. Control Panel Integration: Perfectly suited for integration into industrial control panels, safeguarding electrical components from unexpected faults and ensuring system stability. Machine Safety & Reliability: Enhances the safety and operational reliability of various machinery and robotics by preventing electrical damage and extending equipment lifespan. Robotic System Protection: Crucial for protecting the intricate power systems within industrial robotic applications, preventing downtime caused by electrical anomalies. Building Management Systems: Provides reliable power protection for critical components within smart building infrastructure and environmental control systems. Process Control Environments: Safeguards instruments and monitoring devices in process control applications where precise and uninterrupted operation is paramount. Why Choose This Product?The Allen-Bradley 1492-SP3C040 supplementary protector offers unparalleled protection for critical industrial equipment. Its robust design, compact form factor, and adherence to global safety standards ensure reliable operation and peace of mind. By safeguarding against overloads and short circuits, it helps to minimize downtime and costly repairs, making it an indispensable component for any modern industrial automation setup.Order NowEnhance the reliability and longevity of your industrial systems. Contact us today to learn more about the Allen-Bradley 1492-SP3C040 and place your order.FAQWhat is the primary function of the Allen-Bradley 1492-SP3C040?Its primary function is to provide comprehensive overload and short-circuit protection for 24V DC industrial control systems and equipment.Can this protector be used in tight spaces?Yes, its compact design and DIN rail mounting make it ideal for installations in densely packed control panels and other confined industrial environments.What certifications does the 1492-SP3C040 hold?It carries UL, cUL, CE, and RoHS certifications, ensuring compliance with essential international safety and environmental mandates.

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PRODUCT DETAILS

1492-SP3C040 Allen-Bradley

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Part Number: 1492-SP3C040
  • Input Voltage: 100-240V AC, 50/60Hz
  • Output Voltage: 24V DC
  • Output Current: 3.2A
  • Output Power: 40W
  • Protection Type: Overload, Short Circuit
  • Dimensions: 4.33" x 2.83" x 1.53" (110 mm x 72 mm x 39 mm)
  • Weight: 0.66 lbs (0.3 kg)
  • Operating Temperature Range: -25°C to 70°C (-13°F to 158°F)
  • Certifications: UL, cUL, CE, RoHS
  • Mounting Type: DIN Rail
  • Cooling: Convection cooled

Applications

  • Industrial Automation Systems: Essential for protecting sensitive control systems, proximity sensors, human-machine interfaces (HMIs), and actuators in complex automated processes.
  • Control Panel Integration: Perfectly suited for integration into industrial control panels, safeguarding electrical components from unexpected faults and ensuring system stability.
  • Machine Safety & Reliability: Enhances the safety and operational reliability of various machinery and robotics by preventing electrical damage and extending equipment lifespan.
  • Robotic System Protection: Crucial for protecting the intricate power systems within industrial robotic applications, preventing downtime caused by electrical anomalies.
  • Building Management Systems: Provides reliable power protection for critical components within smart building infrastructure and environmental control systems.
  • Process Control Environments: Safeguards instruments and monitoring devices in process control applications where precise and uninterrupted operation is paramount.

Why Choose the 1492-SP3C040?

The Allen-Bradley 1492-SP3C040 supplementary protector offers unparalleled protection for critical industrial equipment. Its robust design, compact form factor, and adherence to global safety standards ensure reliable operation and peace of mind. By safeguarding against overloads and short circuits, it helps to minimize downtime and costly repairs, making it an indispensable component for any modern industrial automation setup.

Availability & Shipping

  • In stock: 1492-SP3C040 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1492-SP3C040 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

Its primary function is to provide comprehensive overload and short-circuit protection for 24V DC industrial control systems and equipment.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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