HEF435045 | Circuit Breaker | 4A | 3-Pole | 480V

Meet HEF435045, a rugged industrial circuit breaker engineered for demanding 480V three‑phase environments. With a precise 4A rating and a 3‑pole design, this unit is built to protect sensitive equipment and wiring in maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 4A
• Poles: 3‑Pole
• Voltage: 480V
• Part reference: HEF435045

Why this HEF435045 stands out

In a world of generic breakers, HEF435045 delivers a precise fit for 3‑phase 480V systems, ensuring seamless integration with your existing panel architecture. The 3‑pole configuration provides balanced protection across all three phases, helping to safeguard motors, drives, and other industrial loads from overcurrent events. Because the part number HEF435045 is the best reference for compatibility, you can streamline procurement and reduce the risk of mismatches in retrofit or replacement scenarios.

Ideal use scenarios

• Maintenance: Replace aging or worn breakers in 480V, three‑phase panels to restore reliable protection and performance.
• Retrofit: Upgrade or modernize electrical rack setups where existing spec alignment is critical for continued system integrity.
• Replacement: Keep a ready spare for quick swap‑out in serviceable industrial equipment, minimizing downtime.

Practical considerations for installation and compatibility

Before purchasing, verify that your equipment’s voltage, phase configuration, and enclosure mounting align with the 3‑pole, 480V design of HEF435045. Use the part number HEF435045 as the primary compatibility reference to ensure a proper interface with your panel’s bus, mounting footprint, and protective characteristics. If you’re working within a retrofit or service kit, double‑check that the panel nameplate confirms 480V three‑phase operation and the desired 4A protection level.

What you gain by choosing HEF435045

• Accurate compatibility: A dedicated part number that aligns with the exact panel and circuit layout you’re maintaining or upgrading.
• Reliable three‑phase protection: 3‑pole configuration ensures balanced interruption across all phases, supporting motors and drives.
• Targeted use cases: Perfect for maintenance, retrofit, and replacement projects where matching specifications matter most.

Designed for professionals who value precise fit and dependable overcurrent protection, HEF435045 helps you keep industrial systems running smoothly with fewer surprises. For best results, rely on the part number as your compatibility benchmark and confirm fit and ratings before ordering.