Siemens | HHJD62B350 | Circuit Breaker | 350A | 2-Pole | 600V

Meet the Siemens HHJD62B350 Circuit Breaker — a high-capacity protection device built for reliability in demanding commercial and industrial environments. With a 350A rating delivered through a robust 2-pole design and a 600V operating limit, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

• Exact Siemens part reference: The HHJD62B350 guarantees precise fit and compatibility with Siemens panels and distribution equipment. Rely on the part number as your primary reference to avoid guesswork.
• Two-pole configuration for safer shutdown: Simultaneous disconnection of both live conductors reduces arc exposure and enhances on-site safety during maintenance or fault conditions.
• 350A rating for demanding circuits: Designed to protect high-load circuits commonly found in commercial facilities, workshops, and industrial spaces while providing dependable interruption protection.
• 600V nominal rating: Compatible with a wide range of standard distribution systems, ensuring reliable performance in typical 600V class applications.
• Maintenance, retrofit, and replacement ready: An ideal choice for upgrading aging protection or restoring service in Siemens-based installations with current spec alignment.

Key specifications

• Amperage: 350A
• Poles: 2-Pole
• Voltage: 600V
• Part number: HHJD62B350

Ideal use cases

• Replacing worn or outdated breakers in Siemens panels and distribution systems
• Retrofit projects to upgrade protection to match current operational needs
• Maintenance replacements during service cycles to minimize downtime
• New installations requiring a 2-pole, 350A, 600V protection device

Before ordering, confirm fit and ratings using the part number HHJD62B350 as your best compatibility reference. Check the panel labeling to ensure mounting compatibility, trip characteristics, and current rating match your system’s requirements. This Siemens circuit breaker is designed to integrate smoothly into compatible Siemens networks, delivering dependable protection and streamlined maintenance workflows.

Whether you’re upgrading an existing panel, performing a retrofit, or replacing a failed component, the HHJD62B350 provides the trusted Siemens engineering you need to keep power delivery safe and dependable.