Hyundai Electrical Hl-100E Circuit Breaker 75AMP Voltage 440VAC 75KA

Meet the Hyundai HL-100E Circuit Breaker—a rugged, industrial-grade protection device engineered to keep electrical distribution safe, reliable, and ready for demanding environments. Built by Hyundai Electrical, this 75 A breaker is designed for panel upgrades, retrofit projects, and maintenance replacements where dependable performance matters most.

Key to its value is a robust combination of specifications: a 75 A amperage rating, a 440 VAC voltage rating, and a strong 75 kA interrupting capacity. This makes the HL-100E well-suited for controlling feeders and critical circuits in industrial plants, commercial facilities, and even resilient residential installations that require solid protection and quick, predictable tripping behavior.

Key specifications

• Amperage rating: 75 A
• Voltage rating: 440 VAC
• Interrupting capacity: 75 kA
• Model: HL-100E

Why choose the HL-100E

This Hyundai circuit breaker stands out through its targeted design for service work and long‑term reliability. It’s built to withstand frequent use in retrofit and replacement scenarios, offering dependable performance without the guesswork. For electricians and MRO teams, it’s a trusted component that helps keep panels performing at peak efficiency.

Ideal for

• Electricians performing panel upgrades and distribution modernization
• Panel builders assembling industrial or commercial control panels
• Maintenance, repair, and operations teams stocking reliable spares
• Projects requiring a proven 75 A, 440 VAC protection device

Use cases and scenarios

Use the HL-100E to safeguard feeders feeding critical equipment, protect distribution panels on manufacturing lines, or harden backup circuits. Its 75 kA interrupting capacity provides robust protection against short-circuit faults, helping minimize downtime and preserve downstream loads during faults.

Practical installation and care tips

• Confirm panel compatibility with the HL-100E model and ensure the bus configuration supports this breaker.
• Match the protected circuit to the 75 A rating to prevent nuisance trips and ensure proper protection.
• Follow standard lockout/tagout procedures when replacing or installing breakers.
• Keep spare HL-100E units in a clean, dry environment to maintain terminal integrity for quick deployment.

With the Hyundai HL-100E, you gain a dependable, service-ready circuit protection solution that aligns with professional electrical standards and real-world project needs. It’s a practical, high-value choice for keeping complex electrical systems protected and running smoothly.