HEF437030 | Circuit Breaker | 30A | 3-Pole | 480V

HEF437030 is a purpose-built industrial circuit breaker designed for three-phase power networks. With a 30 Amp rating across 3 poles and a 480 Volt operating range, this device is tailored for maintenance, retrofit, and replacement tasks where exact specifications matter. Use this part to ensure reliable protection and continuity in your 480V, three-phase installations.

Key specifications

• Amperage: 30 A
• Poles: 3-Pole
• Voltage: 480 V
• Application: Industrial circuit protection in 3-phase systems
• Reference: Part number HEF437030 is the best compatibility reference

Important: Confirm fit and ratings before ordering. The part number HEF437030 is the best reference for compatibility.

Why this design matters for your operation

• Provides reliable overcurrent protection for 3‑phase equipment operating at 480V, helping to prevent downtime caused by faults.
• Simplifies maintenance and retrofit projects by aligning with a known, documented part number that matches your existing gear.
• Ideal for replacements in older installations where preserving exact electrical specs preserves control logic and motor protection schemes.

Use cases

• Replacing a failed 3-pole 480V circuit breaker in industrial control panels, motor drives, or switchgear.
• Retrofits and standardization efforts that require a 30A, 3-pole, 480V protector.
• Maintenance cycles in manufacturing lines, packaging, and HVAC systems that rely on a stable 480V three-phase supply.

Compatibility & installation tips

• Verify that your panel or enclosure supports a 3-pole 480V device and that the rating aligns with your circuit requirements.
• Use the HEF437030 part number as the primary reference to ensure you’re selecting the correct device for your system.
• Consider the mounting footprint and terminal arrangement to ensure a smooth swap during maintenance or retrofit.

Who should consider this part

• Maintenance engineers responsible for keeping 480V three-phase systems online
• Panel builders and integrators performing retrofits or replacements in industrial settings
• Plant managers seeking dependable, traceable components for critical equipment

Keep a spare HEF437030 on hand to minimize downtime, and document the part number in your asset management records to streamline future replacements and maintenance planning.