Frank L251-1 - 20A, 1-Pole, Circuit Breaker

Meet the Frank L251-1, a purpose-built 20A, 1-Pole circuit breaker designed to deliver reliable overcurrent protection in demanding electrical environments. This compact, single-pole design provides dependable safety in a wide range of installations where space, safety, and performance matter.

Designed for seamless integration, the L251-1 fits neatly into panelboards, switchboards, and control panels, offering flexible mounting options for streamlined electrical layouts. Its single-pole configuration is ideal for distributing protected feeds in control circuits, lighting branches, and auxiliary power circuits within industrial, commercial, and OEM applications.

Key benefits that matter in real-world use

• Precise overcurrent protection at 20A to help prevent wiring damage, nuisance trips, and equipment failure, keeping systems running smoothly.
• Compact 1-Pole form factor for easier panel filling, reduced enclosure depth, and quicker replacement in service panels and motor control centers.
• Versatile application suitable for panelboards, switchboards, and control panels—plus integration into distribution schemes where single‑pole protection is needed.
• Rugged reliability built for industrial and commercial environments where vibration, temperature swings, and frequent operation are common.
• Maintenance-friendly designed for straightforward testing, replacement, and ongoing safe operation within OEM assemblies and retrofit projects.

Specifications at a glance

Current rating: 20A

Poles: 1-Pole

Breaker type: Circuit Breaker

Ideal for your team and projects

This breaker is a strong fit for facilities and applications requiring reliable, single‑pole protection in distribution panels and motor control centers. It is particularly well-suited for industrial plants, commercial facilities, and OEM builds where space optimization and dependable safety are top priorities.

Practical guidance for deployment

Ensure compatibility with the corresponding panel infrastructure and enclosure specifications. Use the L251-1 as part of a coordinated protection strategy to safeguard wiring, devices, and control circuits, while simplifying maintenance and serviceability in daily operations.