Square D 994330 Circuit Breaker, 30A, 3-Pole, 480V

The Square D 994330 circuit breaker is a rugged, industrial‑grade protection device designed for 480V three‑phase systems. With a 30‑amp rating and three poles, it provides coordinated protection across all phases for motors, feeders, and control circuits in demanding environments. Ideal for new installations, service upgrades, or strategic replacements, this breaker helps maintain safe, reliable operation in your electrical infrastructure.

What makes the 994330 stand out

• Three‑pole design for 480V systems: Specifically built to protect three‑phase circuits, ensuring balanced protection across all lines.
• 30‑amp protection: Calibrated to guard against overloads while minimizing nuisance trips for typical industrial loads.
• Verified compatibility through part number: Use part number 994330 to confirm fit for your application and panel configuration.
• Industrial durability: Crafted for the rigors of service, maintenance, and replacement projects in commercial and industrial settings.
• Clear application focus: Designed for use in industrial electrical service scenarios, from commissioning new equipment to replacing aging protection devices.

Ideal use cases

Use the 994330 in industrial panels where 480V three‑phase protection is required. It’s well suited for motor control circuits, manufacturing lines, process equipment, and electrical service panels that demand reliable, trip‑responsive protection. When upgrading legacy systems or performing routine maintenance, this breaker helps ensure your electrical network remains compliant and responsive to fault conditions.

How this model protects your equipment

By interrupting fault currents and overload events, the 994330 helps prevent damage to motors, cables, and downstream devices. The three‑pole design ensures simultaneous disconnection of all phases, reducing the risk of unstable motor operation and minimizing downstream electrical disturbance in fault conditions.

Compatibility and support

Verify fit by part number and application requirements to ensure seamless integration with your specific panel and wiring scheme. If you’re unsure about compatibility, send a message—our team can help you confirm whether 994330 is the right match for your setup and provide guidance on installation considerations.

Technical specifications

• Manufacturer: Square D
• Part number: 994330
• Product type: Circuit Breaker
• Amperage: 30 A
• Poles: 3
• Voltage: 480 V

When you’re ready to secure dependable protection for your 480V three‑phase circuits, the Square D 994330 is a purpose‑built choice. Confirm compatibility by part number, consider your application requirements, and reach out if you’d like expert assistance in selecting and ordering the right circuit breaker for your industrial system.