A120LR | Circuit Breaker | 20A | 1-Pole | 120V

A120LR is a robust industrial circuit breaker engineered to deliver dependable overcurrent protection for 1-pole, 20A circuits at 120V. Whether you’re performing maintenance, a retrofit, or a replacement in an active electrical system, this breaker helps keep power safe, reliable, and compliant.

Precise compatibility matters in industrial Installations. The A120LR’s exact specifications are your best reference when matching existing gear or upgrading an installation where downtime and errors are costly. Confirm fit and ratings before ordering to ensure a seamless replacement.

• Amperage: 20A
• Poles: 1-Pole
• Voltage: 120V

What sets the A120LR apart is its application-specific design for single-pole, 20-amp, 120-volt circuits in industrial environments. This isn’t a generic substitute—it's chosen for precise matching, reliable operation, and straightforward integration with compatible panels and distribution systems.

• Maintenance crews performing routine service on 1-pole 120V circuits
• Retrofit projects updating older panels to current protection standards
• Replacement scenarios where the part number A120LR is your reference

Practical use cases include service disconnects in manufacturing lines, control panels for conveyors, and utility rooms where a single 120V circuit requires dependable protection without complicating the panel layout.

• Have your panel documentation handy to verify compatibility beyond amperage and voltage—the part number is the best reference.
• Check surrounding space and mounting compatibility within the panel before ordering.
• Keep a spare A120LR on hand to minimize downtime during maintenance or replacements.

Choose the A120LR for predictable performance, streamlined maintenance, and peace of mind that your 120V circuits are protected by a spec-matched, industrial-grade breaker.