Square D AL50FA Circuit Breaker Mechanical Lug 12-4 Awg

Product Description

The SQUARE D AL50FA is a mechanical lug accessory designed for use with compatible Square D circuit breakers. It provides a secure, code-compliant termination point for conductors ranging from 14 AWG to 4 AWG, allowing electricians to land field wiring directly to the breaker without relying on the built-in terminal screw. The lug measures 2 inches in length, 2 inches in width, and 0.6 inches in height, making it a compact add-on that fits within standard panelboard configurations. Installation is performed by licensed electricians during panel assembly or service work.

This mechanical lug is used in residential and light commercial electrical panel applications where additional or larger conductor terminations are required on a circuit breaker. It is suited for new installations and retrofit scenarios where the existing breaker terminal does not accommodate the conductor size being run. Electricians working with aluminum or copper feeders in the 14-4 AWG range will find this lug appropriate for their termination needs.

Key Features

• Accepts conductor sizes from 14 AWG to 4 AWG
• Compact footprint: 2 inches long, 2 inches wide, 0.6 inches high
• Designed as a breaker-mounted accessory for direct conductor termination
• Lightweight construction at 0.08 pounds
• Single-unit packaging suitable for individual breaker installations

Compatibility

Designed as an OEM-style accessory for compatible Square D circuit breakers that accept mechanical lug add-ons. Refer to the breaker manufacturer documentation to confirm compatibility with your specific breaker model before ordering.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize the panel and verify the absence of voltage before attaching or removing any breaker accessory. Follow the torque markings or documentation provided with the breaker for proper conductor termination. Do not exceed the listed conductor range of 14-4 AWG.