Siemens | HND63B800 | Circuit Breaker | 800A | 3-Pole | 600V

The Siemens HND63B800 Circuit Breaker is a robust, high-current protective device designed for demanding electrical environments. With an 800A rating and a 3-pole configuration, it delivers reliable, balanced protection for three-phase circuits at up to 600V. This part is built for maintenance, retrofit, and replacement scenarios where exact specifications matter, ensuring your system stays protected and compliant.

Key specifications at a glance

• Amperage: 800A
• Pole configuration: 3-Pole (three-phase protection)
• Voltage rating: 600V
• Part number: HND63B800
• Applications: maintenance, retrofit, and replacement where matching specs are required

Why this Siemens breaker stands out

• : The HND63B800 is designed to match Siemens panels and cross-reference with the exact part number. This ensures proper fit, mounting, and trip characteristics, reducing installation risk.
• : With 800A capacity, it’s suited for demanding feeders and large loads common in industrial settings, warehouses, and data centers where reliable interruption protection is essential.
• : A 3-pole design provides balanced protection across all three phases, helping prevent phase imbalances that can stress equipment.
• : Built to endure industrial use with consistent performance, ready to drop into existing systems that require a precise Siemens replacement.

Ideal use scenarios

• Replacing worn or damaged breakers in high-amp, three-phase panels without changing other components
• Upgrading or retrofitting electrical distribution to maintain Siemens-standard protection and reliability
• Maintenance cycles where exact amperage, pole count, and voltage are non-negotiable for safety and compliance

Compatibility and installation considerations

Before ordering, verify fit and ratings against your panel labeling and service data. The best reference for compatibility is the exact part number, HND63B800. When planning a retrofit or replacement, ensure your circuit’s amperage, three-pole configuration, and 600V rating align with this unit to maintain proper protection settings and trip performance.

Practical guidance for use

• Keep a record of the part number (HND63B800) for future maintenance or replacements to ensure consistent protection across the system.
• Use in environments that require dependable three-phase protection for high-current loads; this breaker is designed to handle sustained, demanding duty.
• Consult your panel’s service data to confirm mounting style and terminal connections align with the HND63B800 specifications.