Siemens CED63B040L - 40 A, 600 V, 3-Pole Circuit Breaker | AmpState

Siemens CED63B040L is a 40A, 600V, 3-pole molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for reliable performance in a range of settings, this device helps keep electrical systems safe and running smoothly.

Why this breaker stands out

• Compact molded case design maximizes panel space and simplifies installation in crowded electrical enclosures.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and fault conditions, reducing nuisance trips and protecting delicate equipment.
• 3-pole configuration provides synchronized protection for three-phase setups or multi-circuit panels where coordinated tripping matters.
• OEM-compatible engineered to work with matching Siemens loadcenters and panelboards for seamless integration and consistent performance.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable protection is essential.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: CED63B040L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 600V
• Number of Poles: 3

What problems it solves

By delivering precise overcurrent and short-circuit protection, the CED63B040L helps prevent electrical damage, reduces downtime, and extends the life of connected equipment. The compact form factor frees up panel space, while the thermal-magnetic trip unit ensures protection remains consistent as loads vary throughout the day.

Ideal use cases

• Residential service panels that require robust branch-circuit protection without sacrificing space.
• Commercial electrical closets where panel space is at a premium but reliability is non-negotiable.
• Light industrial panels needing dependable 3-pole protection for shared circuits and three-phase systems.

Installation and compatibility tips

• Pair with matching Siemens OEM loadcenters and panelboards for straightforward installation and predictable performance.
• Follow standard installation practices and torque specifications to ensure optimal trip sensitivity and longevity.
• Confirm alignment with local electrical codes and any AHJ requirements when configuring panel protection.

Choose the Siemens CED63B040L 40A, 600V, 3-pole molded case circuit breaker from AmpState for space-efficient, reliable protection in residential, commercial, and light industrial applications.