Square D DR5321 - Circuit Breaker

Meet the Square D DR5321 circuit breaker—a dependable, purpose-built safeguard designed for demanding electrical systems. When reliability and precise protection matter, this breaker stands ready to keep circuits safe and equipment protected.

The DR5321 is crafted for use where robust overcurrent protection is essential. It is suitable for panelboards, switchboards, control panels, and OEM equipment, delivering dependable performance in environments that demand steady operation and quick fault isolation. This makes it an ideal choice for industrial, commercial, and OEM applications where safe operation and uninterrupted service are critical in distribution panels and motor control centers.

• Versatile compatibility: seamlessly integrates with panelboards, switchboards, control panels, and OEM configurations.
• Industrial-grade protection: designed to provide reliable overcurrent protection in distribution panels and motor control centers, reducing the risk of equipment damage and downtime.
• Clear, predictable protection: delivers consistent trip characteristics to prevent faults from cascading through your electrical system.
• OEM-ready reliability: built to meet the rigorous demands of equipment manufacturers and turnkey electrical installations.

Whether you're upgrading existing infrastructure, stocking spare breakers for critical facilities, or specifying components for a new build, the Square D DR5321 stands out for its trusted performance, clear protection, and straightforward integration in complex electrical environments.

Ideal for: electrical professionals, facilities teams, OEM engineers, and maintenance crews seeking a proven, easy-to-specify circuit breaker that helps keep essential systems online and safe.