Square D DGL36400E53 Circuit Breaker, 400A, 3-Pole, 600V

When reliability matters in industrial electrical systems, the Square D DGL36400E53 circuit breaker stands up to the challenge. Rated for 400 A with a 3-pole configuration and a 600 V maximum, this device delivers dependable overcurrent protection for three-phase feeders, service panels, and distribution circuits in demanding environments.

• 400 Amp, 3-Pole configuration — protects three-phase circuits with a single, compact unit, simplifying panel layouts and maintenance.
• 600 V maximum rating — designed for industrial electrical distribution, offering robust performance in harsh operating conditions.
• Part number accuracy for compatibility — use DGL36400E53 to confirm fit; always verify compatibility against your specific application requirements.
• Ideal for industrial service, maintenance, and replacement projects — a dependable choice for new installations or refreshing aging protection in existing systems.
• Trusted brand — Square D delivers consistent operation and long-term availability for replacement parts and service needs.

Who should consider this breaker? Facilities managers, electrical engineers, and maintenance technicians responsible for industrial panels, service disconnects, or motor control feeder protection. If your project calls for a 400 A, 3-pole, 600 V circuit breaker, this model provides a solid, field-proven solution that aligns with standard industrial practices.

Practical guidance for use — before purchase, confirm compatibility by part number and application requirements. Have your panel documentation on hand to ensure mounting, bus compatibility, and intended protection strategy align with the DGL36400E53 specifications.

Need help matching a part number or confirming compatibility? Message us and we'll help.