Square D HJL36100M73UA Circuit Breaker, 100A, 3-Pole, 600V

The Square D HJL36100M73UA is a rugged, industrial-grade circuit breaker engineered for service entrances, maintenance shutdowns, and replacement projects. With a 3-pole design for three-phase applications, it delivers dependable protection for demanding electrical systems at up to 600V, while handling 100A of continuous current. Built by Square D, this unit is designed to integrate seamlessly into compatible panels and gear within the Square D ecosystem.

Key specifications at a glance:

• Amperage: 100 A
• Poles: 3-pole
• Voltage rating: 600V
• Manufacturer: Square D
• Part number: HJL36100M73UA

Why this breaker matters for your operation

• Precise fit, proven compatibility: Use the exact part number HJL36100M73UA to confirm compatibility with your panelboard or switchgear. Compatibility is essential for reliable protection and code-compliant installations.
• Three-phase protection for industrial loads: The 3-pole configuration is ideal for guarding three-phase motors, conveyors, pumps, and other equipment that rely on balanced, multi-wire circuits.
• 600V system readiness: Designed to handle higher-voltage industrial environments where robust, fast-acting interruption is critical for safety and uptime.
• Strong brand heritage: Square D (Schneider Electric) is known for durable, field-reliable breakers that maintain consistent performance over time in demanding environments.

Who should consider this breaker

• Maintenance managers upgrading or replacing aging 3-phase breakers in industrial facilities
• Electrical contractors installing or refurbishing medium-voltage panel systems that require 100 A, 3-pole protection
• Plant engineers seeking a reliable substitute with clear part-number traceability for warranty and compliance documentation

Practical guidance for use

• Always verify fit by part number (HJL36100M73UA) against your panel and application requirements to ensure proper electrical ratings and mechanical compatibility.
• If you’re unsure about compatibility, message us for expert assistance in matching the part number to your specific installation and code compliance needs.
• Retain documentation that references the exact part number for maintenance records and future replacements.

In short, the HJL36100M73UA delivers targeted, reliable protection for three-phase industrial systems at 600V, with a clear pathway to compatibility and seamless replacement in compatible Square D panels. Add it to your project list if you need a precise, industry-grade 3-pole breaker that you can trust for ongoing protection and uptime.