Square D EDB34110 - 110 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Square D EDB34110 is a robust 110 A, 480 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. Built for demanding electrical environments, this unit combines precise protection with solid mechanical design to keep critical circuits safe and uptime high.

Key advantages that matter in the field

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement and maintaining a reliable electrical path even in busy electrical rooms or installations with equipment-induced vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by accurately sensing overloads and quickly clearing dangerous faults, helping minimize equipment damage and downtime.
• OEM-compatible design is compatible with matching Square D load centers and panelboards, simplifying replacement or retrofit projects and ensuring seamless integration.
• Three-pole configuration protects three-phase systems, ensuring coordinated tripping across all phases for balanced protection of motors and three-phase loads.
• Versatile application range suitable for residential, commercial, and light industrial environments where reliable overcurrent and short-circuit protection is essential.

Why this breaker stands out for your projects

In panelboards and loadcenters, a bolt-on molded case breaker like the EDB34110 provides a more rugged connection in installations where vibration, equipment start-ups, or panel movement are a concern. The 480 V rating makes it appropriate for commercial and light industrial distribution networks, while the 110 A capacity supports mid-range branch circuits without frequent nuisance trips. Its precise thermal-magnetic protection helps reduce wear on downstream equipment, extending the life of wiring, contactors, and motors.

Technical specifications

• Manufacturer: Square D
• Part Number: EDB34110
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 110 A
• Voltage Rating: 480 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical guidance

• Upgrade or retrofit of three-phase panelboards and load centers in commercial buildings or light industrial facilities where 480 V distribution is standard.
• New installations requiring a compact, bolt-on solution with reliable vibration resistance and predictable protection characteristics.
• Configurations that demand coordinated trip across all three phases to protect motors, compressors, pumps, and other three-phase equipment.
• Applications where OEM compatibility with Square D panel components ensures straightforward maintenance and future replacements.

Choose the Square D EDB34110 when you need a dependable, serviceable, and OEM-compatible solution for three-phase branch circuit protection at 110 A and 480 V. Its combination of secure mounting, precise protection, and compatibility with established panelboards makes it a practical choice for professional electrical installations and upgrades.