Square D EJB24050 - 50 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D EJB24050 — a purpose-built, 2‑pole bolt-on molded case circuit breaker ready to safeguard your electrical distribution. Rated for 50 A at 480 V, it’s designed for dependable branch-circuit protection within panelboards and loadcenters found in residential, commercial, and light industrial settings.

Why this breaker stands out

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, reducing the risk of connections loosening in demanding environments.
• Thermal-magnetic trip unit provides stable, repeatable protection — the thermal element handles sustained overloads, while the magnetic element delivers an instantaneous response to high-energy faults.
• OEM-compatible designed to fit and function with matching Square D OEM load centers and panelboards, ensuring straightforward installation and reliable coordination with existing protection schemes.
• Versatile installation suitable for residential, commercial, and light industrial applications where reliable 2-pole protection is needed at 480 V.

Technical at a glance

• Manufacturer: Square D
• Part Number: EJB24050
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50 A
• Voltage Rating: 480 V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

Use the EJB24050 to protect feeder and branch circuits in panelboards and load centers where 480 V operation is required. Its bolt-on design makes it ideal for retrofit installations in existing electrical rooms, as well as new builds in light commercial and industrial spaces where vibration or equipment cycling can impact connections. Pair it with compatible Square D enclosures to ensure coordinated protection across your distribution system.

What problems this breaker helps you solve

• Prevents conductor insulation damage and fire risk by interrupting fault currents promptly.
• Minimizes nuisance trips through reliable thermal-magnetic protection during environmental or load fluctuations.
• Maintains system integrity in installations with equipment that experiences vibration or frequent cycling.

For engineers, electrical contractors, and facility managers, the Square D EJB24050 offers a dependable, OEM-aligned solution that aligns with standard panelboard configurations while delivering precise, proven protection for 50 A circuits at 480 V.