Siemens ED43B015L - 15 A, 480 V, 3-Pole Circuit Breaker | AmpState

Siemens ED43B015L is a 15A, 480V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Its compact molded case design makes efficient use of precious panel space, while the thermal-magnetic trip unit delivers stable, repeatable protection performance for reliable electrical operation.

Why this breaker stands out

• Space-efficient design: The compact molded case footprint maximizes panel capacity, helping you fit more circuits without crowding the bus.
• Thermal-magnetic protection: A precise trip mechanism that responds consistently to both overloads and short circuits, reducing nuisance trips and protecting downstream equipment.
• Three-pole, 480V capability: Ideal for three-phase commercial and light industrial applications, supporting higher voltage systems and equipment with confidence.
• OEM panel compatibility: Designed to be compatible with matching Siemens OEM loadcenters and panelboards, ensuring straightforward upgrades and replacements.
• Versatile installation: Suitable for residential, commercial, and light industrial settings where reliable circuit protection is essential.

Ideal use cases

• Upgrading or replacing aging breakers in commercial panelboards and loadcenters that run on 480V three-phase power.
• Protection for HVAC control panels, lighting racks, and machine control circuits in light industrial environments.
• Retrofits in renovations where panel space is at a premium and OEM compatibility is required for a seamless fit.

What makes it reliable and easy to work with

• Predictable protection: The thermal-magnetic trip unit provides repeatable performance across varying temperature conditions, helping maintain consistent protection levels.
• Lifecycle suitability: Built for branch circuit overcurrent protection, it safeguards wiring and connected equipment from damage due to overloads and short circuits.
• Practical for installers: The 3-pole design simplifies wiring for three-phase systems, reducing installation time and complexity.

Technical snapshot

• Manufacturer: Siemens
• Part Number: ED43B015L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 15A
• Voltage Rating: 480V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Compatibility and installation notes

This Siemens ED43B015L is designed for use in panelboards and loadcenters that require a 15A, 3-pole, 480V molded case breaker. For best results, pair it with matching OEM Siemens panel components and ensure the installed configuration aligns with local electrical codes and the panel’s labeling. The compact design and reliable thermal-magnetic trip make it a practical upgrade or replacement option for facilities seeking improved protection with streamlined compatibility.