Siemens CED63A025 - 25 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens CED63A025 — a 25 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to perform where vibrations and demanding electrical loads occur, this unit brings solid protection you can trust in residential, commercial, and light industrial settings.

Why the Siemens CED63A025 stands out

• Bolt-on mounting for a secure, vibration-resistant bus connection — engineered to maintain a rigid, dependable electrical path even in environments with movement or vibration.
• Thermal-magnetic trip unit — delivers stable, repeatable protection performance by combining time-delay overload protection with instantaneous short-circuit response.
• 3-pole design with 600 V rating — ideal for balanced protection across three-phase systems common in commercial and light industrial applications.
• OEM-compatible — designed to be used with matching Siemens OEM load centers and panelboards for streamlined installation and reliable coordination.
• Versatile application — suitable for residential, commercial, and light industrial electrical protection needs, from service panels to distribution centers.

Technical snapshot

• Manufacturer: Siemens
• Part Number: CED63A025
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 25 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential electrical panels where a compact, reliable 3-pole protection device is needed to safeguard multi-wire branch circuits.
• Commercial distribution panels and small industrial equipment enclosures requiring robust bolt-on mounting for vibration resistance.
• Panelboard upgrades or replacements within Siemens-compatible systems to ensure coordinated protection and consistent trip characteristics.

How this breaker solves real-world problems

The CED63A025 combines secure mechanical mounting with precise electrical protection. The bolt-on design minimizes movement-related wear at the bus connection, reducing the risk of intermittent contacts in busy electrical rooms. The thermal-magnetic trip unit provides reliable trip performance across a range of fault conditions, helping prevent nuisance trips while still delivering prompt isolation during short circuits. When paired with matching OEM panels, it helps maintain protective coordination and simplifies maintenance checks.

Practical guidance for use

• Ensure compatibility with your Siemens OEM load center or panelboard to guarantee proper fit and coordination.
• Use in applications that require three-phase protection with a 25 A rating and up to 600 V, such as distribution panels for small commercial or light industrial equipment.
• Consider the physical environment; the bolt-on design is particularly advantageous in installations where panel stability or vibration is a concern.

With the Siemens CED63A025, you’re choosing a dependable, purpose-built solution for protecting electrical circuits in diverse settings. It’s not just a breaker — it’s a disciplined component that helps you maintain safe, resilient power distribution across your system.