Allen-Bradley 1492-SPU1C040 - 4A, 240VAC, Miniature Circuit Breaker (MCB)

Overview

The Allen-Bradley 1492-SPU1C040 is a dependable miniature circuit breaker (MCB) engineered for essential overcurrent protection in industrial environments. With a 4A current rating and a 240 VAC operating range, this device provides targeted protection for circuits that require precise, predictable interruption during fault conditions. Built to integrate with panelboards, switchboards, control panels, and OEM equipment, it helps keep electrical systems operating safely and with minimal downtime.

Why this MCB stands out

• Targeted protection for small to moderate circuits: 4A rating ensures your lighter duty loads are safeguarded without unnecessary trips.
• Versatile for multiple enclosures: ideal for panelboards, switchboards, control panels, and OEM installations where reliable overcurrent protection is crucial.
• Proven reliability from a trusted name: Allen-Bradley’s design and manufacturing heritage supports consistent performance in harsh industrial settings.
• Straightforward integration: designed to complement common distribution architectures and OEM wiring schemes in industrial, commercial, and OEM applications.

Key specifications

• Current rating: 4A
• Voltage rating: 240 VAC
• Breaker type: Miniature Circuit Breaker (MCB)

Use cases and applications

• Industrial panelboards and switchboards where small-load circuits need reliable protection against overcurrent.
• Control panels for machinery, automation equipment, and process lines requiring consistent interruption during faults.
• OEM equipment where a standard, trusted protective device is needed to meet safety and reliability requirements.
• Motor control centers and distribution panels that demand quick, predictable responses to overload events.

How it helps you operate smarter

• Reduces risk of electrical damage by promptly disconnecting faulty circuits, protecting wiring insulation and connected components.
• Supports safer maintenance and easier fault isolation, thanks to its clearly defined current and voltage ratings.
• Facilitates consistent performance across installations that rely on Allen-Bradley products, simplifying parts stocking and service routines.

Practical tips for installation and care

• Verify that the circuit load aligns with the 4A rating to prevent nuisance trips while maintaining protection.
• Install in appropriately rated enclosures and follow standard wiring practices for secure connections and proper torque.
• Inspect for signs of wear, corrosion, or damage during routine maintenance and replace if any concerns arise.
• Keep a record of the device model (1492-SPU1C040) and ratings to streamline future replacements or upgrades within existing control systems.