Siemens HJXD63B250 - 250 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens HJXD63B250—a robust 3-pole bolt-on molded case circuit breaker engineered for reliable branch circuit protection in panelboards and loadcenters. With a 250A rating and a 600V capacity, it handles demanding electrical loads while safeguarding circuits from overloads and short circuits.

Why the Siemens HJXD63B250 stands out

• Secure bolt-on mounting delivers a rigid, vibration‑resistant bus connection, reducing movement and ensuring consistent electrical contact even in challenging environments.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, responding accurately to both sustained overloads and instantaneous short-circuit events.
• OEM-ready compatibility is designed to work with matching Siemens OEM loadcenters and panelboards, streamlining installation and maintaining system coordination.
• Versatile application suitable for residential, commercial, and light industrial installations, making it a practical choice across multiple electrical environments.

Technical snapshot

• Manufacturer: Siemens
• Part Number: HJXD63B250
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 250A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

Designed for installations where a reliable, high-current protector is needed, the HJXD63B250 is well-suited for:

• Residential service panels and large subpanels with heavy feeders
• Commercial electrical rooms distributing power to multiple branches
• Light industrial panels powering motors and equipment with elevated protection requirements

Practical considerations and benefits

Choosing this Siemens bolt-on MCCB means embracing a protection solution that aligns with Siemens panelboard systems, ensuring proper trip coordination and plug-and-play compatibility. The bolt-on design minimizes installation variables and helps maintain a secure, long-lasting connection in environments where vibration or movement could affect other breakers. The 3-pole configuration supports balanced, three-phase systems, providing comprehensive protection for multi-wire branch circuits.

Who this is for

This breaker is ideal for electricians, electrical contractors, and facility managers who need a dependable 250A, 600V, 3-pole protection device that integrates seamlessly with Siemens loadcenters and panelboards. If you require solid overcurrent and short-circuit protection for demanding panels in homes, businesses, or light industrial settings, the HJXD63B250 offers a purpose-built solution with industry-standard performance.