Square D EJB36020 - 20 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D EJB36020 — a 3-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. With a 20 A rating and a 600 V capacity, this unit is built to reliably guard electrical circuits against overcurrent and short-circuit events across residential, commercial, and light industrial environments.

• Secure bolt-on mounting: Delivers a rigid, vibration-resistant bus connection that stays put even in demanding installations where panel panels experience movement or vibration.
• Thermal-magnetic trip unit: Combines precise thermal overload protection with instantaneous magnetic trip during short circuits, offering stable, repeatable protection performance over time.
• OEM-compatible design: Specifically compatible with matching Square D OEM load centers and panelboards, ensuring smooth integration and reliable operation within existing systems.
• Versatile application: Ideal for residential, commercial, and light industrial applications where reliable branch circuit protection is essential.

Key specifications

• Manufacturer: Square D
• Part Number: EJB36020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the EJB36020

When upgrading or stocking a panel that's designed for bolt-on protection, the EJB36020 delivers a straightforward, secure installation path with a robust trip mechanism that you can trust. Its three-pole configuration provides comprehensive protection across three-phase systems, making it a practical choice for panelboards that demand reliable coordination and consistent circuit-breaking behavior. If you’re maintaining or expanding electrical infrastructure in commercial spaces or light industrial setups, this 20 A, 600 V breaker offers a precise fit and dependable performance without compromising compatibility with your existing Square D panels.

Use cases and scenarios

• Upgrading legacy panelboards to ensure compliant, reliable overcurrent protection in three-phase circuits.
• Installing in new commercial or light industrial installations where durable bolt-on mounting and stable protection are priorities.
• Replacing worn or outdated breakers in OEM load centers to maintain seamless interoperability and protection standards.