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Allen-Bradley 1492-SP3C320-N Supplementary Protector for industrial circuit protection

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1492-SP3C320-N Allen Bradley

by Allen-Bradley

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OverviewThe Allen-Bradley 1492-SP3C320-N Supplementary Protector is a vital device for securing electrical circuits in demanding industrial settings. Engineered for optimal performance, this 3-pole, 320A unit delivers strong safeguarding against overloads and short circuits, which is crucial for maintaining the continuous operation and lifespan of your essential systems. Its NEMA 1 enclosure makes it an excellent choice for indoor panel installations, providing a secure and durable housing capable of withstanding the rigors of industrial use while preserving circuit integrity. This protector is meticulously designed for reliability and seamless integration, making it a preferred option for professionals seeking uncompromising electrical safety and efficiency.Key Features Three-Pole Protection: Configured for 3-pole applications, offering versatile and comprehensive circuit safeguarding for a wide range of industrial electrical systems. High Current Capacity (320A): Specifically engineered to manage high-current loads, ensuring effective and dependable circuit interruption in power-intensive industrial environments. NEMA 1 Enclosure: Provides robust protection for indoor uses, securely housing electrical components and shielding them from dust and incidental contact typically found in industrial control panels. Advanced Circuit Guarding: Actively defends against damaging short circuits, persistent overloads, and other potential fault conditions, significantly boosting system stability and operational safety. Rapid Installation Design: Developed for quick and straightforward integration into existing electrical panels or new setups, minimizing installation downtime and optimizing system readiness. Technical SpecificationsThe 1492-SP3C320-N features a comprehensive set of technical specifications that highlight its capability to perform in challenging industrial environments: Model Number: 1492-SP3C320-N Product Type: Supplementary Protector Current Rating: 320 Amperes (A) Number of Poles: 3 Enclosure Type: NEMA 1 (suitable for indoor electrical installations) Voltage Rating: 600 Volts AC (VAC) Compliance Standards: Adheres to UL 489, IEC 60947-2, and CSA C22.2 No. 5, ensuring international and national safety and performance benchmarks are met. Physical Dimensions: Thoughtfully designed with a compact footprint to facilitate efficient space utilization within control panels and various industrial systems. ApplicationsThe versatility and robust design of the Allen-Bradley 1492-SP3C320-N make it ideally suited for a broad spectrum of industrial applications, including: Industrial Electrical Control Panels: Provides essential circuit protection for control panels managing high-power machinery and complex automation systems, guaranteeing operational integrity. Manufacturing and Production Equipment: Ideal for safeguarding critical manufacturing machinery and production lines from electrical anomalies, preventing costly downtime and equipment damage. HVAC and Building Management Systems: Protects the electrical circuits within heating, ventilation, and air conditioning systems, as well as broader building management infrastructure, ensuring stable environmental control. Distributed Power Systems: Essential for maintaining the safety and reliability of diverse electrical distribution networks, from sub-panels to main power feeds, particularly in facilities with significant power demands. Process and Automation Industries: Integral for protecting sensitive equipment in process automation and other industrial control applications where precise and reliable power delivery is paramount. Why Choose This Model?Choosing the 1492-SP3C320-N Allen-Bradley Supplementary Protector offers distinct advantages for your industrial operations. It provides superior and reliable protection against both overloads and short circuits, significantly reducing the risk of equipment damage while ensuring unwavering circuit reliability.Order NowEnhance the safety and efficiency of your industrial electrical systems today. Contact us to learn more about the Allen-Bradley 1492-SP3C320-N Supplementary Protector or to place an order.FAQWhat is the primary function of the Allen-Bradley 1492-SP3C320-N?Its primary function is to safeguard electrical circuits from damage caused by overloads and short circuits, ensuring system longevity and operational stability.Is this supplementary protector suitable for outdoor use?No, the NEMA 1 enclosure is designed for indoor applications, providing protection against dust and incidental contact, but not against outdoor environmental conditions.What current capacity does this model support?The 1492-SP3C320-N is designed to handle a high current capacity of 320 Amperes (A).Which compliance standards does this product meet?It adheres to UL 489, IEC 60947-2, and CSA C22.2 No. 5, ensuring it meets recognized international and national safety and performance benchmarks.Can this protector be easily integrated into existing systems?Yes, it features a rapid installation design engineering for quick and straightforward integration into both new and existing electrical panels, minimizing setup time.

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PRODUCT DETAILS

1492-SP3C320-N 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

The 1492-SP3C320-N features a comprehensive set of technical specifications that highlight its capability to perform in challenging industrial environments:

  • Model Number: 1492-SP3C320-N
  • Product Type: Supplementary Protector
  • Current Rating: 320 Amperes (A)
  • Number of Poles: 3
  • Enclosure Type: NEMA 1 (suitable for indoor electrical installations)
  • Voltage Rating: 600 Volts AC (VAC)
  • Compliance Standards: Adheres to UL 489, IEC 60947-2, and CSA C22.2 No. 5, ensuring international and national safety and performance benchmarks are met.
  • Physical Dimensions: Thoughtfully designed with a compact footprint to facilitate efficient space utilization within control panels and various industrial systems.

Applications

The versatility and robust design of the Allen-Bradley 1492-SP3C320-N make it ideally suited for a broad spectrum of industrial applications, including:

  • Industrial Electrical Control Panels: Provides essential circuit protection for control panels managing high-power machinery and complex automation systems, guaranteeing operational integrity.
  • Manufacturing and Production Equipment: Ideal for safeguarding critical manufacturing machinery and production lines from electrical anomalies, preventing costly downtime and equipment damage.
  • HVAC and Building Management Systems: Protects the electrical circuits within heating, ventilation, and air conditioning systems, as well as broader building management infrastructure, ensuring stable environmental control.
  • Distributed Power Systems: Essential for maintaining the safety and reliability of diverse electrical distribution networks, from sub-panels to main power feeds, particularly in facilities with significant power demands.
  • Process and Automation Industries: Integral for protecting sensitive equipment in process automation and other industrial control applications where precise and reliable power delivery is paramount.

Why Choose the 1492-SP3C320-N?

Choosing the 1492-SP3C320-N Allen-Bradley Supplementary Protector offers distinct advantages for your industrial operations. It provides superior and reliable protection against both overloads and short circuits, significantly reducing the risk of equipment damage while ensuring unwavering circuit reliability.

Availability & Shipping

  • In stock: 1492-SP3C320-N 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-SP3C320-N 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 safeguard electrical circuits from damage caused by overloads and short circuits, ensuring system longevity and operational stability.

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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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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