Siemens | HHLXD62B300 | Circuit Breaker | 300A | 2-Pole | 600V | Bolt-On

Meet the Siemens HHLXD62B300, a robust 300A, 2-pole circuit breaker designed for 600V systems with bolt-on mounting. Engineered for maintenance, retrofit, and replacement projects, this breaker is the dependable choice when you need to restore, upgrade, or expand your industrial electrical distribution without compromising safety or reliability. The part number HHLXD62B300 is your strongest reference for compatibility, so verify fit and ratings before ordering.

Why this Siemens circuit breaker stands out

• High-capacity protection: 300A continuous rating provides solid protection for heavy-duty feeders and main distribution paths in industrial or commercial applications.
• Two-pole design: Safely interrupts both hot legs in 600V systems, delivering balanced protection for circuits that require simultaneous disconnects.
• Bolt-On mounting: A secure, durable attachment method ideal for panels and enclosures that support bolt-on breakers, reducing the risk of loosening under heavy load or vibration.
• Versatile compatibility: Suited for maintenance, retrofit, and replacement scenarios where exact specifications matter; the HHLXD62B300 pairing ensures dependable performance in compatible Siemens panels.
• Clear specification reference: Rely on the part number HHLXD62B300 to confirm compatibility—customers often find this reference to be the fastest path to a correct match.

Ideal use cases

• Replacing a failing or aging 2-pole breaker in an industrial distribution panel where 600V operation is required.
• Retrofits aimed at upgrading service equipment to higher amperage capacity while maintaining system integrity.
• Maintenance replacements during panel modernization projects to restore full protection without redesigning the electrical backbone.
• New installations in facilities with existing Siemens bolt-on panel infrastructure that demand robust, scalable protection for critical feeders.

Practical installation notes

• Ensure the panel and bus configuration support bolt-on breakers of this type and that the voltage and amperage ratings align with your system design.
• Always confirm fit and ratings using the exact part number HHLXD62B300 before purchasing.
• Follow your panel manufacturer’s torque specifications and safety guidelines during installation to maintain electrical integrity and compliance.

Specifications at a glance

• Part number: HHLXD62B300
• Amperage rating: 300A
• Poles: 2-Pole
• Voltage rating: 600V
• Mounting type: Bolt-On

For professionals building or maintaining reliable electrical systems, the Siemens HHLXD62B300 offers decisive, dependable protection with straightforward compatibility checks. When you need a secure, high-current, bolt-on breaker that aligns with Siemens panels and 600V service environments, this 300A, 2-pole solution is engineered to perform—and built to last.