Siemens | HED42B110L | Circuit Breaker | 110A | 2-Pole | 480V

Siemens HED42B110L is a precise 110-amp, 2-pole circuit breaker designed for 480V electrical systems. Built for maintenance, retrofit, and replacement projects, this unit ensures you have the exact protection you need when updating or expanding your setup.

Key specifications at a glance

• Amperage: 110A
• Poles: 2-Pole
• Voltage rating: 480V
• Part number: HED42B110L

What this breaker is and where it fits

This Siemens circuit breaker is purpose-built for installations that demand exact compatibility. The HED42B110L is the reliable protection you need for feeders and branch circuits in 480V environments. Its configuration and ratings align with Siemens panel interfaces, helping minimize fitment surprises during installation.

Ideal use cases

• Maintenance: keep your 480V distribution up to code with a ready-to-install replacement part.
• Retrofits: upgrade legacy systems to meet current safety and protection standards without overhauling panels.
• Replacements: swap-in a like-for-like device to maintain system behavior and tripping characteristics.

Installation and compatibility tips

Before ordering, verify that the enclosure and panel accept HED-type breakers and that the ratings match your system requirements. The part number HED42B110L is the most reliable reference for compatibility, ensuring you receive the correct trip characteristics and connection interface for your 480V, 110A, 2-pole installation.

Why choose this Siemens breaker over alternatives

• Direct compatibility: Specifically matched to Siemens panels and configurations, reducing guesswork during upgrade or maintenance.
• Consistent protection: Maintains the intended interrupting capacity and response characteristics for 480V circuits.
• Efficient maintenance planning: A readily available, exact-part replacement minimizes downtime and simplifies inventory management.

If you’re upgrading a 480V distribution network, planning a retrofit, or keeping a spare on hand for critical service, the Siemens HED42B110L circuit breaker delivers dependable, exact-fit protection. Always confirm fit and ratings using the part number HED42B110L to ensure seamless compatibility with your system.