General Electric SGLB36DD0400 400A 3-Pole 600 V Circuit Breaker

Introducing the General Electric SGLB36DD0400 400A 3-Pole 600 V Circuit Breaker — a purpose-built protection device designed for demanding three-phase power systems. With a 400 A current rating, this GE breaker delivers decisive overcurrent protection for feeders and main distribution in commercial and industrial environments, helping to prevent equipment damage and costly downtime. The 3-pole configuration is ideal for balanced three-phase networks, ensuring consistent protection across all phases at up to 600 V.

Key specifications at a glance

• Current rating: 400 A
• Poles: 3
• Voltage rating: 600 V
• Part number: SGLB36DD0400
• Brand: General Electric

Why this GE circuit breaker stands out

• Precise compatibility: Part Number SGLB36DD0400 is the exact GE replacement part you need for GE panels and systems designed to accept SGLB-series breakers, ensuring a reliable fit without retrofit guesswork.
• Robust three-phase protection: The 3-pole design protects all three phases simultaneously, helping maintain voltage balance and safeguarding equipment in industrial and commercial environments.
• High-current reliability: A 400 A rating makes this breaker suitable for main protection roles and feeder protection in setups with substantial load requirements, reducing the risk of nuisance trips during peak demand.
• 600 V readiness: Engineered for typical industrial networks, this breaker is ready to handle higher voltage applications common in manufacturing, data centers, and large facilities.

Ideal use scenarios

• Main disconnect protection in industrial control panels and switchgear
• Feeder protection for large three-phase distribution circuits in manufacturing lines
• Protecting critical equipment where reliable, fast interruption of fault current is essential

Practical guidance for installation and usage

• Verify panel compatibility by matching the part number (SGLB36DD0400) to the GE panel model and the SGLB-series family requirements.
• Use as a main or feeder protection device in three-phase systems operating up to 600 V.
• Plan for routine inspections of electrical distribution gear; replacing worn or degraded breakers with the correct GE replacement part helps maintain system integrity.

For professionals seeking dependable, high-capacity protection in three-phase electrical networks, the General Electric SGLB36DD0400 400A 3-Pole 600 V Circuit Breaker delivers clear, specific value. It combines precise GE engineering with a proven 400 A capacity and 600 V readiness, making it a smart replacement or upgrade choice for demanding facility environments.