Siemens ED63A003L - 3 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens ED63A003L — a 3-pole, 3 A, 600 V bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. Built for robustness in everyday electrical environments, this device is engineered to maintain reliable performance across years of service.

• Bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement and loosening over time for consistent protection where panel vibrations are a concern.
• Thermal-magnetic trip unit delivers stable, repeatable protection across a range of operating temperatures, guarding against overcurrent and short-circuit events without nuisance trips.
• OEM compatibility is designed to work seamlessly with matching Siemens loadcenters and panelboards, simplifying replacements and upgrades.
• Three-pole design suited for three-phase electrical systems, ideal for residential equivalents, light commercial installations, and small industrial applications requiring reliable three-phase protection.

Technical snapshot

• Amperage rating: 3 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the Siemens ED63A003L

electricians, facility managers, and maintenance teams tasked with protecting modest-load branch circuits in panelboards and loadcenters. It’s particularly well-suited for upgrades or retrofits in Siemens-based electrical installations, where a compact 3 A, 3-pole device is the right fit for controlling small three-phase loads while ensuring quick, reliable fault clearing.

Why this choice stands out

The ED63A003L combines a rugged bolt-on connection with a dependable thermal-magnetic protection scheme, delivering consistent trip performance that electricians can trust in both new builds and service upgrades. Its OEM compatibility minimizes compatibility concerns during stocking or replacement projects, helping you complete installations with fewer delays and more predictable results.

For panelboard configurations and light industrial or commercial circuits that require tight control of small three-phase loads, the Siemens ED63A003L offers a precise, durable solution designed to keep systems protected and running smoothly.