Siemens ED63B040L - 40 A, 600 V, 3-Pole Circuit Breaker | AmpState

Experience dependable branch circuit protection with the Siemens ED63B040L, a 40A, 600V, 3-pole molded case circuit breaker designed to safeguard panelboards and loadcenters from overcurrent and short-circuit events. Built for reliability in demanding environments, this unit delivers precise protection where it matters most.

• Compact molded case design maximizes space efficiency in crowded panels, helping you fit more protection without sacrificing accessibility or serviceability.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, ensuring fast response to faults while avoiding nuisance trips on normal load variations.
• OEM-compatible compatibility works seamlessly with matching Siemens OEM loadcenters and panelboards, simplifying upgrades and replacements.
• Versatile application range well-suited for residential, commercial, and light industrial installations where reliable overcurrent and short-circuit protection is essential.

The ED63B040L is purpose-built for protecting branch circuits up to 40 amps in systems rated at 600 volts. Its 3-pole configuration provides comprehensive protection for multi-phase distribution, safeguarding equipment and wiring from damage due to electrical faults. By combining a molded case design with a thermal-magnetic trip mechanism, this breaker balances fast fault clearing with resistive heat tolerance to maintain consistent performance across a range of loads.

Technical highlights at a glance

• Manufacturer: Siemens
• Part Number: ED63B040L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the Siemens ED63B040L? electrical professionals installing or upgrading panelboards and loadcenters in both homes and small to mid-size commercial or light industrial settings. It’s particularly valuable when space is at a premium, and you need a dependable, code-compliant protection device that integrates smoothly with existing Siemens equipment. For best results, pair this breaker with compatible Siemens panelboards to ensure optimal trip coordination and protection coverage across all circuits.

Practical tips for installation and use: verify system voltage and panel compatibility, align with the appropriate bus and mounting arrangement for a 3-pole unit, and follow manufacturer guidelines for torque specifications on terminal connections. With the ED63B040L, you gain a reliable, purpose-built solution that emphasizes precise protection, panel efficiency, and long-term serviceability in a variety of electrical environments.