Siemens CED63A003 - 3 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens CED63A003 — a precise 3 A, 600 V, 3-pole bolt-on molded case circuit breaker crafted for dependable branch circuit protection in panelboards and load centers. Designed to endure vibration and maintain solid connections, this unit delivers consistent protection where reliability matters most.

Key Features and Benefits

• Bolt-on mounting provides a secure, rigid bus connection, reducing the risk of looseness and arcing in demanding environments.
• Thermal-magnetic trip unit offers stable, repeatable protection with fast magnetic action for short circuits and precise thermal protection for overloads.
• 3-pole configuration protects three concurrent lines, making it ideal for 3-phase panelboards and load centers.
• 3960V compatibility with Siemens OEM systems designed to integrate seamlessly with matching load centers and panelboards from the same family.
• Versatile installation suitable for residential, commercial, and light industrial applications where reliable overcurrent protection is required.

Technical Specifications at a Glance

• Manufacturer: Siemens
• Part Number: CED63A003
• Amperage Rating: 3 A
• Voltage Rating: 600 V
• Poles: 3
• Mounting Style: Bolt-On
• Type: Thermal-Magnetic Molded Case Circuit Breaker
• Application: Branch circuit overcurrent and short-circuit protection

Ideal Use Cases

• Protecting three-phase branch circuits in new installations or panelboard upgrades where a compact 3 A protection level is required.
• Replacing failed or aging breakers in OEM Siemens load centers and panelboards to maintain system compatibility and performance.
• Residential, commercial, or light industrial panels where vibration resistance and secure mounting improve long-term reliability.

Why Choose the Siemens CED63A003

What sets this breaker apart is the combination of a sturdy bolt-on design and a thermal-magnetic trip mechanism that delivers repeatable protection under varying loads and fault conditions. In environments subject to vibration or movement, the bolt-on mounting minimizes connection drift, helping to prevent nuisance trips and ensuring your protection remains dependable over time. The 3-pole configuration is purpose-built for three-phase systems, making it a practical choice for panelboards and load centers that manage balanced, multi-wire circuits.

Practical Tips and Best Practices

• Verify panelboard compatibility with Siemens OEM hardware to ensure seamless protection and optimal performance.
• Follow manufacturer torque specifications for bolt-on installations to maintain a secure, vibration-resistant connection.
• Use in configurations where a precise 3 A protection level is needed to safeguard sensitive equipment without tripping nuisance faults.
• Maintain adherence to local electrical codes and refer to the panel’s documentation when integrating this breaker into an existing system.

With the Siemens CED63A003, you gain reliable 3-phase overcurrent protection that’s purpose-built for panelboards and load centers, backed by Siemens’ engineering and the practical needs of residential, commercial, and light industrial applications. Add it to your electrical protection lineup for a shop-tested solution that delivers consistent performance when it matters most.