General Electric | SGPB36BB0400 | Circuit Breaker | 400A | 3-Pole | 600V

General Electric delivers dependable protection for three-phase electrical systems with the SGPB36BB0400 circuit breaker. Built for demanding environments, this 400A, 3-pole, 600V device is crafted to safeguard feeders and panels in commercial and industrial settings. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, it’s a reliable choice when consistent GE performance is required.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Part number: SGPB36BB0400

Why this matters for your system

This GE circuit breaker is designed to protect three-phase circuits from overcurrent events, helping to minimize downtime and equipment damage. With a 400A rating, it’s suited for medium-to-large feeders and panel sections, while the 3-pole configuration delivers balanced protection across all three phases. The 600V rating extends its applicability to a range of commercial and industrial installations, ensuring compatibility with high-voltage distribution schemes commonly found in facilities, factories, and data centers.

Ideal use cases

• Retrofit projects where existing breakers match the SGPB36BB0400 specifications
• Replacement for aging or failed breakers in GE-based panels
• Maintenance upgrades in facilities upgrading to higher-capacity 400A service routes
• Three-phase feeders in commercial electrical rooms requiring precise GE compatibility

Compatibility and installation notes

Before ordering, confirm fit and ratings to ensure seamless integration with your panel and downstream equipment. The part number SGPB36BB0400 serves as the most reliable reference for compatibility, so cross-reference with your panel labeling or GE catalog before purchase. For best results, match the breaker type to the panel’s listed requirements and follow standard electrical safety practices during installation.

Who benefits most

Facilities managers, electrical contractors, and service technicians overseeing GE-based installations will appreciate the straightforward compatibility and robust protection this breaker provides. It’s particularly well-suited for projects where existing GE components are being upgraded or replaced to maintain uniform performance across a three-phase distribution system.

Practical insights

If you’re planning an upgrade or replacement, map your current three-phase load and verify that your distribution panel supports 400A, 3-pole devices at 600V. Keeping the exact GE part reference (SGPB36BB0400) on hand simplifies future maintenance and parts ordering, reducing downtime and ensuring consistent protection across your electrical system.