Square D MO-4 - 30A, Circuit Breaker

Experience dependable, industrial-grade protection with the Square D MO-4 30A Circuit Breaker. Built by a trusted name in power safety, this 30-amp unit is designed to slot into panelboards, switchboards, control panels, and OEM equipment, delivering fast interruption when faults occur to safeguard wiring, devices, and downstream systems.

What makes the MO-4 30A stand out

• Current rating: 30A delivers precise protection for branch circuits and connected loads without sacrificing operation for everyday equipment.
• Versatile compatibility with panelboards, switchboards, control panels, and OEM equipment, making it suitable for new builds and retrofits alike.
• Ideal for industrial, commercial, and OEM applications where reliable overcurrent protection and safe operation are critical in distribution panels and motor control centers.
• Built to endure the demands of demanding environments while maintaining clear, dependable trip performance when protection is needed.

Why this breaker solves real-world problems

In distribution panels and motor control centers, an accurate 30A circuit breaker from the MO-4 family acts as a first line of defense against overloads and short circuits. By interrupting fault currents promptly, it protects conductors, motors, and control circuits, reducing downtime and the risk of damage during electrical faults.

Ideal use cases

• New installations in panelboards, switchboards, and control panels needing a dedicated 30A protection point.
• OEM equipment builds and custom control enclosures requiring reliable, standardized circuit protection.
• Retrofits or upgrades in industrial machinery and commercial systems where proven, maintainable overcurrent protection matters.
• Motor control centers that demand dependable protection for feeder circuits and associated equipment.

Specifications at a glance

• Current rating: 30A
• Breaker type: Circuit Breaker
• Applications: panelboards, switchboards, control panels, OEM equipment

Choose the Square D MO-4 30A Circuit Breaker when you need robust, reliable overcurrent protection that fits seamlessly into distribution panels and motor control centers—industrial-grade protection you can trust across harsh, demanding environments. Add it to your layout to ensure safety, uptime, and compliance in your electrical systems.