GE SGLA36AT0400 400A 3P 600V Circuit Breaker | AmpState

The GE SGLA36AT0400 is a 400 A, 3-pole circuit breaker engineered for dependable protection in panelboards, load centers, and electrical distribution networks. Designed to slot into GE equipment and match the original BOM, this part helps you maintain system integrity without unexpected downtime.

Exact fit for GE panel protection

Ideal for three‑phase distribution where reliable overcurrent protection is essential. With a 600 V maximum rating, it supports a wide range of commercial and light‑industrial circuits, including high‑demand feeders and critical machinery. This is the kind of component you want on hand for fast, accurate replacements that keep equipment running smoothly.

• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Part number: SGLA36AT0400

Use cases and ideal customers

• Maintenance teams performing replacement projects on GE panelboards and load centers.
• Stores spare parts to keep your bill of materials (BOM) aligned with the original GE part number and configuration.
• Electrical contractors and facility managers responsible for distribution protection in commercial or industrial facilities.

Why choose this GE circuit breaker

• Receives its design and specifications from the original GE BOM, ensuring compatibility and consistent protection with existing equipment.
• Simple, straightforward replacement path that minimizes downtime and preserves wiring and bus compatibility.
• Available from AmpState, with support to help confirm fit against your panel or BOM so you’re confident you’ve got the correct part.

Practical guidance for installation and care

Before installation, verify that the system operates within a 600 V environment and that your circuit requires a 400 A, 3-pole protection device. Ensure proper de-energization, use the correct enclosure and bus stabs, and follow all applicable electrical codes and manufacturer guidance for replacement parts. This part is purpose‑built to integrate with GE panelboards and distribution setups, making it a dependable choice for restoring and maintaining critical electrical infrastructure.