LB120 | Circuit Breaker | 20A | 1-Pole | 120V

LB120: 20A, 1-Pole, 120V Industrial Circuit Breaker

Meet LB120 — a purpose-built circuit breaker designed for industrial maintenance, retrofit, and replacement projects where exact specifications matter. With a 20-amp rating and a single 1-pole configuration at 120 volts, it provides dependable overcurrent protection for individual circuits while simplifying installation and part compatibility.

Key specifications

• Amperage: 20A
• Poles: 1-Pole
• Voltage: 120V
• Part number: LB120

Compatibility and fit

For reliable compatibility, use the part number LB120 as your primary reference. This model is intended for installations that require a 1-pole, 120-volt breaker with a 20-amp rating. Always confirm the fit and ratings before ordering to ensure it matches your panel and circuit requirements.

Ideal use cases

• Maintenance: Replace aging or defective breakers in existing circuits that require 20A protection.
• Retrofit: Update panels or equipment with a precise 1-Pole, 120V configuration to support new or relocated loads.
• Replacement: Quick, accurate swap-in when your system specifies LB120.

Installation and safety tips

• Power should be fully shut off before handling breakers.
• Verify panel labeling and the manufacturer’s instructions to confirm compatibility.
• Double-check that the circuit’s amperage, voltage, and pole configuration match LB120 before installing.

Why LB120 stands apart

LB120 isn’t just another generic breaker. Its clear part-number reference provides an unambiguous way to verify compatibility during maintenance and retrofits, reducing downtime and misfits. The 1-Pole, 120V design delivers focused protection exactly where it's needed, making it a practical, reliable choice for professional electrical work.

Keep LB120 on hand as a precise, ready-to-install solution when your panel requires a 20A, 1-Pole, 120V breaker—backed by a straightforward reference that simplifies ordering and installation.