Siemens ED43B100L - 100 A, 480 V, 3-Pole Circuit Breaker | AmpState

Siemens ED43B100L is a 100A, 480V, 3-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters.

Why this 3-pole molded case breaker stands out

• Compact molded case design maximizes panel space and simplifies installation, helping you make the most of every enclosure.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance across varying loads and conditions.
• OEM-compatible is designed to work with matching Siemens OEM loadcenters and panelboards for a seamless, reliable upgrade or replacement.
• Versatile application suitable for residential, commercial, and light industrial environments that rely on robust branch circuit protection.

What problems does it solve?

In spaces where panel real estate matters, the ED43B100L provides compact, dependable protection for three-phase systems. It protects against overcurrent and short circuits, helping prevent damage to wiring and equipment while reducing nuisance trips through a reliable thermal-magnetic trip mechanism.

Ideal use cases

• New commercial installations with 480V three-phase distribution needing a reliable 100A protection point.
• Panelboard upgrades in light industrial settings where space efficiency and OEM compatibility matter.
• Residential-to-commercial mixed-use projects requiring consistent, predictable short-circuit protection in load centers.

Technical snapshot

• Manufacturer: Siemens
• Part number: ED43B100L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 480 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Siemens ED43B100L for a dependable, space-efficient solution that aligns with your 480V, three-phase panelboards and loadcenters—delivering consistent protection where it matters most, without compromising installation simplicity or compatibility.