GE SGHB36BB4200C Circuit Breaker, 400A, 3-Pole, 600V

The GE SGHB36BB4200C circuit breaker is a purpose-built solution for demanding industrial electrical service, maintenance, and replacement projects. Designed to protect large three‑phase feeders and motors, this 400 A, 3‑pole unit delivers reliable, fast interruption of fault currents in 600 V systems, helping keep critical operations online and reducing the risk of damage across your electrical infrastructure.

Key specifications at a glance

• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Part number: SGHB36BB4200C
• Product type: Circuit Breaker
• Applications: Industrial service, maintenance, and replacement projects
• Compatibility note: Verify fit by part number and application requirements

In practical terms, the GE SGHB36BB4200C acts as the first line of defense for three‑phase power distributions. When abnormal current flows appear—whether from motor startup surges, wiring faults, or short circuits—this breaker trips to isolate the affected circuit, protecting wiring insulation, panels, and connected equipment from damage and reducing downtime caused by electrical faults.

Why this unit stands out for industrial environments

• High-current, three‑phase protection: With 400 A capacity across 3 poles, it’s suited for feeders and motors that drive production lines, conveyors, pumps, and HVAC equipment in heavy-duty settings.
• 600V operation: Built for industrial power systems that operate at or around 600 V, ensuring robust protection where single-phase devices aren’t sufficient.
• Engineered reliability: GE’s design and manufacturing practices deliver durable performance in environments with temperature variations, vibration, and frequent cycling common to industrial facilities.
• Streamlined replacement and compatibility: The SGHB36BB4200C is intended to integrate with GE‑style panel configurations and switchgear. When replacing an existing unit, confirming the part number helps ensure proper mounting, wiring, and trip characteristics align with your setup.

The SGHB36BB4200C isn’t a one-size-fits-all component. It’s a targeted protection device for facilities where three-phase loads and critical machinery demand dependable interruption protection at a substantial current level. If your application uses GE panels or compatible switchgear, this breaker is a logical upgrade or replacement that can restore protection quickly and with confidence.

Ideal use cases and scenarios

• Retrofits and upgrades in manufacturing plants with existing 600 V three‑phase distribution
• Replacement of aging or worn breakers in service panels and switchgear that serve heavy motors and feeders
• New installations for industrial automation lines requiring robust 3‑pole protection at 400 A
• Facilities expanding capacity where maintaining precise protection ratings is critical to uptime and safety

How to verify compatibility and ensure a trouble-free install

• Confirm the part number: SGHB36BB4200C matches your equipment list and panel documentation
• Assess system voltage and current requirements to ensure 600 V and 400 A rating align with your load profile
• Check panel and mounting compatibility with GE‑style breakers; verify mounting pattern and wiring terminal capacities
• Plan for professional installation and adherence to electrical codes, including proper de‑energization and lockout/tagout procedures

Why choose GE for industrial protection needs

• Proven reliability in demanding environments where protection duty and safety margins matter most
• Consistent part numbering and clear compatibility guidance to support maintenance workflows
• Long-term availability for replacements and stocking, reducing downtime when service is required

If you’re upgrading an industrial power distribution system or replacing a worn circuit breaker, the GE SGHB36BB4200C provides the necessary protection for 600 V, three‑phase applications at 400 A. Its design supports durable performance in environments that demand steady protection for motors, feeders, and critical loads, helping you stay ahead of faults and maintain productive uptime.

Note: For fit and safety, confirm compatibility by part number and review your application requirements. If you need help confirming fit or understanding how this unit integrates with your existing gear, send a message and our team can guide you through the compatibility check and installation considerations.