Square D EJB36050 - 50 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D EJB36050—a 50 A, 600 V, 3-pole bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Built to endure the rigors of residential, commercial, and light industrial environments, this unit delivers reliable overcurrent and short-circuit protection where it matters most.

What sets the EJB36050 apart?

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays tight even in demanding electrical panels.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance across a range of operating conditions.
• OEM-compatible design ensures seamless integration with matching Square D loadcenters and panelboards for reliable, trouble-free installations.
• Three-pole configuration suitable for three-phase systems, with a clear 50 A rating and 600 V maximum.
• Versatile application ideal for residential, commercial, and light industrial branch circuits needing robust protection.

Technical snapshot

• Manufacturer: Square D
• Part Number: EJB36050
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the EJB36050?

• electricians or facility managers upgrading or maintaining Square D panelboards and loadcenters
• projects requiring a reliable 3-pole protection solution for three-phase circuits
• settings where vibration resistance and secure mounting minimize nuisance trips and connection loosening

Compared to other breakers, the EJB36050 emphasizes a rugged bolt-on installation paired with a thermal-magnetic trip that adapts to changing electrical loads. This means fewer false trips during startup surges and stable protection during steady-state operation—critical for panels that handle varied commercial or industrial demand.

Practical tips for optimal use:

• Pair with compatible OEM loadcenters and panelboards to ensure proper fit and performance.
• Use in branch circuits where a dependable 50 A, 600 V three-phase protection is required.
• Follow standard safety practices when wiring and commissioning, and verify the trip characteristics align with your panel’s specifications.