Siemens CED63A050 - 50 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens CED63A050 — a 50A, 600V, 3-pole bolt-on molded case circuit breaker engineered to safeguard your electrical distribution with precision. Built for durability in panelboards and load centers, this breaker delivers reliable overcurrent and short-circuit protection where it matters most.

• Secure bolt-on mounting ensures a rigid, vibration-resistant bus connection, delivering dependable performance even in environments with movement or vibration.
• Thermal-magnetic trip unit provides stable, repeatable protection by reacting to both overload and short-circuit conditions, helping prevent nuisance trips while defending circuits.
• 3-pole design tailored for 3-phase systems, ideal for commercial and light industrial applications where balanced protection is crucial.
• OEM compatibility is designed to work with matching Siemens panelboards and load centers, simplifying upgrades and replacements in existing installations.
• Versatile application suited for residential, commercial, and light industrial use, protecting branch circuits across a range of equipment and feeders.

Technical specifications at a glance

• Manufacturer: Siemens
• Part Number: CED63A050
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 50 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Upgrading or stocking Siemens-based panelboards and load centers in commercial facilities where reliable 3-phase protection is required
• Protecting feeders and branch circuits in light industrial environments, HVAC equipment, motor loads, and manufacturing panels
• Repairs or replacements in existing systems that rely on bolt-on MCCBs for a secure, vibration-resistant connection
• New installations that demand OEM-compatible components for streamlined installation and warranty alignment

Why this matters for your electrical system

The CED63A050 combines robust mechanical mounting with precise protective technology. The bolt-on design minimizes connection resistance and micro-movements that can degrade performance over time, while the thermal-magnetic trip mechanism delivers fast, predictable responses to faults. With Siemens’ engineering backing and OEM-panel compatibility, you get a solution designed to integrate seamlessly into established systems, reduce downtime, and extend the life of your electrical distribution network.

Whether you're safeguarding a commercial panelboard, protecting a 3-phase feeder in a light industrial setup, or stocking a trusted breaker for Siemens-based renovations, the CED63A050 delivers dependable, professional-grade protection when it’s needed most.