Square D EJB26100 - 100 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Square D EJB26100 two-pole bolt-on molded case circuit breaker delivers rugged, reliable protection for branch circuits in today’s panelboards and load centers. Rated at 100 A and up to 600 V, it’s built to endure demanding electrical environments while keeping your system safe and stable.

• Secure bolt-on mounting provides a rigid, vibration-resistant connection to the bus, reducing looseness and ensuring consistent performance even in vibration-prone installations.
• Thermal-magnetic trip unit combines overload and short-circuit protection in a single device, delivering stable, repeatable protection that reacts quickly to faults while minimizing nuisance trips.
• OEM-compatible versatility is designed to integrate seamlessly with matching Square D OEM load centers and panelboards, simplifying upgrades, maintenance, and stocking considerations.
• Versatile applications is suitable for residential, commercial, and light industrial environments, making it a practical choice for a wide range of service and new-construction projects.

This 2-pole breaker is purpose-built for branch circuit overcurrent and short-circuit protection. The combination of a molded-case design and a thermal-magnetic trip unit ensures dependable fault clearing while minimizing downtime in critical systems.

Technical snapshot

• Manufacturer: Square D
• Part Number: EJB26100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 600 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider this breaker?

Electricians, facilities managers, and maintenance teams working on service upgrades, panel replacements, or new installations will value the combination of robust construction and compatible OEM integration. If you’re upgrading a panelboard or load center that relies on reliable, repeatable thermal-magnetic protection, the EJB26100 is a straightforward, durable choice.

Tips for use and optimization

• Ensure the breaker is matched to an OEM Square D load center or panelboard to guarantee full compatibility and optimal performance.
• Use the bolt-on mounting to achieve a secure, low-resistance bus connection, particularly in installations subject to vibration or movement.
• Follow standard safety practices and the panel manufacturer’s instructions when installing or replacing a breaker; confirm the circuit is de-energized before work.

With its combination of strong mounting, precise thermal-magnetic protection, and OEM compatibility, the Square D EJB26100 100 A, 600 V, 2-pole bolt-on breaker is a reliable foundation for safe, long-lasting electrical protection in a variety of settings.