Siemens ED43B110 110A 3P 480V Circuit Breaker | AmpState

Introducing the Siemens ED43B110 110A 3P 480V Circuit Breaker — a purpose-built protective device engineered for reliable distribution in panelboards, load centers, and electrical distribution systems. Available from AmpState, this model is the smart choice when a direct part-number match matters for seamless maintenance and fast replacements.

The ED43B110 combines a three-pole configuration with a 480V rating to confidently safeguard three-phase circuits common in industrial and commercial installations. With a 110 ampere continuous rating, it provides predictable, consistent overcurrent protection for feeders and branch circuits, helping to prevent equipment damage and unplanned downtime.

Why this Siemens breaker stands out

• Direct part-number compatibility: Designed to slot into Siemens panelboards and distribution panels without guesswork, reducing the risk of misfits during repairs or stock rebalancing.
• Three-phase reliability: The 3P design is ideal for 480V three-phase electrical systems, aligning with common industrial power architectures.
• Strategic inventory fit: A dependable spare or stocking option for maintenance teams and panel builders who prioritize exact-match components.
• End-to-end protection: Fits into electrical distribution schemes to defend equipment and maintain service continuity across the facility.

Ideal use cases

• Spare inventory for maintenance crews responsible for Siemens-based installations.
• Replacement part for existing ED43B110 units within panelboards and load centers.
• New builds or panel rebuilds requiring a reliable 110A, 3-pole, 480V circuit protection solution.
• Project workflows where exact part-number matching simplifies procurement and installation.

How it fits into your operation

• Streamlines procurement with a clearly identified Siemens part number (ED43B110), reducing compatibility questions during ordering.
• Supports predictable maintenance planning by aligning with common Siemens distribution equipment in mid- to large-scale facilities.
• Helps maintain electrical safety and compliance by ensuring the correct protection strategy for 480V three-phase feeders.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: ED43B110
• Product Type: Circuit Breaker
• Amperage: 110 A
• Poles: 3
• Voltage: 480V
• Availability: AmpState

Need help confirming fit or verifying compatibility with your specific panel or distribution setup? Message us and our team will assist in confirming the best match for your application.