Square D E-Frame Miniature Circuit Breaker, 3-Pole, 480Y/277VAC, 65kA, Bolt-On

Square D E-Frame Miniature Circuit Breaker, 3-Pole, 480Y/277VAC, 65kA, Bolt-On

The Square D E-Frame Miniature Circuit Breaker is a lighting panelboard circuit breaker engineered for use in Square D NF Panelboards, delivering short-circuit and overload protection for commercial and industrial distribution systems. This 3-pole, bolt-on breaker is rated 480Y/277VAC with a 65kA maximum interrupt rating, and is HACR rated and HID rated for lighting and HVAC circuit applications. Backed by cULus listing and TAA compliance, it's built for reliable, code-compliant performance in professional installations.

Key Features

• Configuration: 3-Pole design requiring 3 panelboard spaces for lighting panelboard applications.
• Voltage Rating: 480Y/277VAC operational voltage for commercial distribution circuits.
• Interrupt Rating: 65kA maximum interrupting capacity for robust short-circuit and overload protection.
• Bolt-On Connection: Bolt-on mounting for secure, vibration-resistant installation in Square D NF Panelboards.
• Circuit Breaker Application: HACR rated and HID rated, suited for lighting and HVAC circuit protection.
• Visi-Trip™ Indicator: Built-in trip indication for faster troubleshooting and reduced downtime.
• Terminal Capacity: Accepts AWG 14...AWG 6 copper or AWG 12...AWG 6 aluminium conductors with lugs aluminium connection, tightening torque 3.4 N.m (2.5-16 mm²).
• Operating Environment: Rated for ambient air temperature up to 40°C; mercury-free construction.

Certifications & Compliance

• cULus Listed
• TAA Compliant
• HACR Rated
• Mercury Free

Technical Specifications

• Warranty Period: 18 months
• Product Certifications: cULus
• Compliance: TAA
• Number Of Spaces: 3
• Mercury Free: Yes
• Device Short Name: EGB
• Sustainable Packaging: Yes

Typical Applications

• Lighting Panelboards (Square D NF Panelboards)
• Commercial and Industrial Electrical Distribution
• HVAC and Lighting Circuit Overload/Short-Circuit Protection
• Renovation and New Construction Panelboard Upgrades

Why Square D?

Square D E-Frame breakers combine cULus-listed, TAA-compliant construction with mercury-free materials and sustainable, recycled-content packaging, reflecting a commitment to responsible manufacturing. The Visi-Trip™ indicator and HACR/HID-rated protection help electricians and contractors troubleshoot faster and keep lighting panelboards running reliably in demanding commercial environments.