Square D EDB34090 - 90A, 3-Pole, Circuit Breaker

The Square D EDB34090 90A, 3-Pole Circuit Breaker is engineered to deliver dependable overcurrent protection for demanding electrical systems. With a dedicated 3-pole design, it provides true three-phase protection, making it a reliable cornerstone for modern industrial, commercial, and OEM applications.

• 90A current rating, 3-Pole configuration: Designed to safeguard three-phase feeders and motors, ensuring balanced protection across all phases.
• Versatile mounting in key infrastructures: Ideal for panelboards, switchboards, and control panels where flexible, durable protection is needed.
• Protected environments: Specifically suited for distribution panels and motor control centers, where consistent performance and safe operation are critical.
• Built for reliability in demanding settings: Engineered to withstand industrial and commercial use, helping to minimize downtime and prevent equipment damage from overcurrent events.
• Seamless integration: Fits within existing Square D ecosystems, enabling cohesive protection across your electrical distribution and control systems.

Why this matters for your projects

• Protects three-phase loads without compromising system voltage balance, supporting motor longevity and stable operations in manufacturing lines and processing facilities.
• Reduces the risk of cascading faults by interrupting overcurrent conditions promptly, helping you maintain productivity and safety.
• A practical choice for new installs or replacement in mid-size to large electrical distributions where 90A protection is required.

Ideal use scenarios

• Control panels in manufacturing and processing environments requiring reliable three-phase protection.
• Motor control centers and distribution panels in commercial facilities with substantial electrical loads.
• OEM equipment assemblies that need robust, standardized overcurrent protection integrated into three-phase systems.

Installation and compatibility tips

• Confirm your panel, switchboard, or control panel is designed to accept a 3-Pole, 90A circuit breaker of the Square D family.
• Install according to local electrical codes and the panel manufacturer's guidelines to ensure proper fit and safe operation.
• Use as part of a broader protection strategy to safeguard both feeders and motors from overloads and faults.