Siemens | HED43B110L | Circuit Breaker | 110A | 3-Pole | 480V

Siemens HED43B110L is a purpose-built circuit breaker designed to protect high-demand, 480V three-phase electrical systems. With a 110A rating and a 3-pole configuration, this device interrupts all three hot lines simultaneously, delivering reliable protection for motors, feeders, and other critical loads in industrial panels. Key details at a glance - Amperage: 110A - Poles: 3-Pole - Voltage: 480V - Part number: HED43B110L - Ideal for: maintenance, retrofit, and replacement projects where exact specifications are required - Important note: Confirm fit and ratings before ordering; the part number is the best reference for compatibility Why choose the Siemens HED43B110L - Exact compatibility: When you’re aligning with a specific Siemens panel or legacy installation, using the HED43B110L ensures you match the intended interrupting rating, phasing, and footprint. - Robust three-phase protection: A 3-pole design safeguards all three conductors, reducing the risk of unbalanced loads and minimizing downtime in industrial environments. - High-voltage suitability: Rated for 480V systems, it’s tailored for commercial and manufacturing settings where reliable overcurrent protection is essential. - Quick, confident replacement: For retrofit projects, matching the precise part number streamlines ordering and ensures seamless integration with existing hardware. Who benefits - Facility managers, electrical contractors, and panel builders working with Siemens equipment or compatible 480V three-phase panels. - Operations teams looking to replace a failed breaker with an exact-spec part to minimize commissioning time and risk. Practical considerations and usage tips - Always verify fit and ratings before purchasing. The part number HED43B110L is the most reliable reference for compatibility. - Use in applications where three-phase protection is required, such as motor drives, processing lines, and other industrial loads fed from 480V panels. - If you’re upgrading or retrofitting, document the exact part number to ensure downstream maintenance and ordering remain straightforward. Designed for reliability, backed by Siemens quality, the HED43B110L is a precise and dependable choice when your system demands exact specs, straightforward replacement, and durable protection in a 480V, 3-pole configuration.