Siemens CED63B100L - 100 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Siemens CED63B100L is a rugged 3-pole molded case circuit breaker designed to protect branch circuits in panelboards and load centers. With a 100 A rating and a 600 V maximum, it provides dependable overcurrent and short-circuit protection for three‑phase or multi‑pole configurations in demanding environments.

Key features

• Compact molded case design maximizes panel space and simplifies installation, enabling cleaner wire routing in tight panels.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and ambient conditions, reliably tripping on overloads or short circuits.
• 3-pole configuration ideal for 3-phase circuits common in commercial and light industrial settings.
• OEM panelboard compatibility engineered to work seamlessly with matching Siemens load centers and panelboards, promoting proper coordination and listing.
• 100 A, 600 V rating provides solid protection for mid-range feeders and equipment in distributed power systems.

Technical snapshot

• Manufacturer: Siemens
• Part Number: CED63B100L
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 100 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Designed for use with matching Siemens OEM load centers and panelboards

Who it’s for

• Small to mid-size commercial spaces needing reliable three‑pole protection for 3‑phase feeders
• Light industrial applications with motor loads, pumps, conveyors, or HVAC equipment
• Residential or multi‑dwelling panels where three‑phase protection and compact sizing are advantageous

Why this matters

The CED63B100L isn’t just a breaker with a 100 A rating—it’s a purpose-built solution that aligns with Siemens’ panelboard ecosystems. The thermal-magnetic trip unit provides predictable response under varying loads, while the compact form minimizes panel depth and simplifies wiring. By pairing with Siemens OEM panels, you gain streamlined installation, guaranteed compatibility, and coordinated protection that can reduce field troubleshooting and enhance system reliability.

Practical tips

• Confirm that your panelboard is part of the Siemens OEM family to ensure optimal fit and coordination.
• Use in applications where 3-phase protection is required and a 600 V service is specified.
• Follow standard electrical safety practices during installation and refer to Siemens documentation for torque and termination guidance.