Square D EJB36060 - 60 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Square D EJB36060 is a 60A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its rugged bolt-on mounting creates a rigid, vibration-resistant bus connection, ensuring reliable performance in demanding environments.

• Secure bolt-on mounting: provides a solid mechanical connection that resists movement and arcing, even in equipment rooms with vibration or heavy cabling.
• Thermal-magnetic trip unit: combines precise thermal protection with instantaneous magnetic trip for fast response to short circuits, delivering stable, repeatable protection.
• Three-pole design: synchronized trip across all poles protects three-phase circuits and multi-wire systems, reducing risk of imbalanced loads.
• OEM-compatible: specifically designed to fit matching Square D load centers and panelboards, simplifying replacements and upgrades without compromising safety.
• Broad voltage rating: rated up to 600V, making it suitable for commercial and light industrial distribution networks as part of a reliable protection scheme.
• Versatile applications: ideal for residential, commercial, and light industrial installations needing dependable branch circuit protection against overcurrent and short circuits.

Technical specifications

• Manufacturer: Square D
• Part number: EJB36060
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 60 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and benefits

• Upgrading panelboards in retrofit projects where a secure, vibration-resistant connection is critical for long-term reliability.
• Installing in commercial or light industrial panels that service three-phase distribution with balanced protection across all phases.
• Replacing aging or incompatible breakers in compatible Square D systems without altering bus configurations.
• Situations demanding a fast, predictable trip response to short circuits, minimizing damage to wiring and connected equipment.

Why this breaker stands out

Beyond basic specs, the EJB36060 delivers real-world value through a combination of rugged mechanical design and precise protective technology. The bolt-on mounting reduces the risk of loose connections that can cause overheating, while the thermal-magnetic trip unit provides repeatable protection under varying load conditions. When integrated into OEM-compatible load centers and panelboards, it supports a cohesive protection strategy that’s easier to maintain and service over the life of the installation.