Siemens CED63B090 - 90 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens CED63B090 is a 3-pole, bolt-on molded case circuit breaker rated at 90 A and 600 V. Engineered for dependable branch-circuit protection in panelboards and loadcenters, it guards against overcurrent and short circuits with precise, repeatable performance while enduring the demands of real-world installations.

Why choose the Siemens CED63B090

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement and maintaining reliable electrical contact in panels subjected to equipment vibration.
• Thermal-magnetic trip unit delivers stable protection by responding to both steady overcurrents (thermal) and sudden short-circuit surges (magnetic) for consistent circuit safety.
• OEM-compatible design engineered to fit matching Siemens loadcenters and panelboards, ensuring a seamless fit, accurate trip characteristics, and straightforward serviceability.
• 3-pole configuration ideal for three-phase distribution or multi-wire branch circuits typical in commercial and light-industrial environments.
• 90 A at 600 V supports higher-demand circuits while providing robust protection and coordination within distributed electrical systems.

Technical snapshot

• Manufacturer: Siemens
• Part number: CED63B090
• Type: Thermal-magnetic molded case circuit breaker
• Poles: 3
• Mounting: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Designed for panelboards and loadcenters across residential, commercial, and light-industrial settings where reliable three-phase or multi-wire protection is essential. Use the CED63B090 to safeguard feeders powering HVAC equipment, lighting, and critical peripheral circuits, or as a compatible replacement in Siemens OEM panels to maintain consistent protection characteristics and installation integrity.

Installation and compatibility tips

Pair this bolt-on molded case breaker with Siemens-compatible panelboards for a streamlined, maintenance-friendly solution. Confirm panel compatibility with your specific Siemens loadcenter model, and follow standard tightening practices to keep the bolt-on connection secure and vibration-free over time. The 600 V rating provides ample insulation for mixed-use environments, while the thermal-magnetic trip supports dependable performance across a range of ambient temperatures and load profiles.