HYUNDAI ELECTRIC HBL103 CIRCUIT BREAKER 15A 440VAC 42KA

Meet the HYUNDAI ELECTRIC HBL103 Circuit Breaker — a rugged, dependable component designed to protect and optimize power distribution in demanding environments. Built by HYUNDAI ELECTRIC, this unit is engineered for reliability in industrial, commercial, and challenging residential applications where consistent protection matters.

Key specifications you need to know in one clear package: a 15A amperage rating, 440VAC operating voltage, and a robust 42kA interrupting capacity. Paired with 103 circuit spaces, the HBL103 is ready for expansive panel configurations and future-ready upgrades, making it an ideal choice for panel upgrades, retrofit projects, and maintenance replacements where dependable performance is non-negotiable.

Why electricians and panel teams choose the HBL103

• Precise protection for circuits in mid-range demand panels with 15A rating
• 440VAC compatibility for common commercial and industrial distribution schemes
• High 42kA interrupting capacity to handle fault conditions without compromising equipment or safety
• Large panel footprint with 103 circuit spaces, enabling scalable layouts and organized protection

This breaker shines in real-world scenarios: upgrading aging panels during facility retrofits, stocking reliable spares for maintenance crews, and equipping new installations where a durable, manufacturer-backed protective device is essential. It’s a practical, future-proof choice for electricians, panel builders, and MRO teams who demand consistency, ease-of-integration, and predictable performance from their protective components.

Practical considerations and tips: ensure the HBL103 is the right fit for your panel’s bus arrangement and voltage requirements, and plan for a straightforward swap during service work or retrofit projects. When you choose Hyundai Electric for this critical protection layer, you’re aligning with a trusted name in power distribution — designed to keep downtime to a minimum and your electrical system running smoothly.

Specifications at a glance: Amperage 15A • Voltage 440VAC • Interrupting Capacity 42kA • Circuit Capacity 103