General Electric SGLB36CB0400 400A 3-Pole 600 V Circuit Breaker

Power protection you can rely on for high-demand systems. The General Electric SGLB36CB0400 400A 3-Pole 600 V Circuit Breaker is built to act as a main protective disconnect in commercial and industrial installations, quickly interrupting fault currents to safeguard wiring, equipment, and personnel.

• Part Number: SGLB36CB0400
• Current rating: 400 A
• Poles: 3 (three-phase protection)
• Voltage rating: 600 V AC
• Purpose: main service disconnect in GE electrical panels and feeders for large loads in commercial/industrial environments
• Compatibility: designed for GE SGLB-series panels and GE distribution equipment, ensuring seamless integration
• Build and reliability: rugged housing with a proven trip mechanism to deliver dependable protection over time
• Installation note: best installed by a licensed electrician; verify that your panel is rated for 600 V and 400 A before replacement

Who is this for? Facilities with substantial three-phase loads—manufacturing floors, data centers, warehouse complexes, and large commercial spaces—will benefit from a dedicated 400 A main breaker that protects feeders and downstream circuits. If you’re upgrading an aging panel or conducting routine maintenance, this exact part number (SGLB36CB0400) ensures compatibility and preserves the integrity of your GE electrical system.

Why choose this GE breaker? It’s a high-current, three-pole solution designed to integrate cleanly into GE-based distributions, reducing the risk of incompatible replacements and downtime. Its 600 V rating makes it suitable for industrial environments where higher-voltage service is common, while the 400 A capacity supports robust load management without frequent nuisance tripping when demand is steady but controlled.

Practical tips: confirm your panel’s labeling matches 600 V/400 A capability, replace only with the exact part number to maintain system integrity, and schedule professional testing after installation to verify proper trip operation. This GE SGLB36CB0400 breaker is a precise, reliable choice when you need strong, dependable protection for a three-phase, high-current electrical feed.