Siemens CLE63B100 100A 3-Pole 600 V Circuit Breaker Potential Transformer

Meet the Siemens CLE63B100—a reliable 3-pole circuit breaker designed to safeguard 3-phase power systems with clarity and precision. Rated for 100 A and supporting up to 600 V, this device is purpose-built for industrial panels, switchgear, and distribution boards where dependable protection matters most.

Why choose the CLE63B100 for your system? Siemens engineering delivers consistent interrupting performance, helping minimize downtime and protect motors, drives, and other critical loads from overloads and short circuits. With a three-pole configuration, it protects all three phases simultaneously, maintaining balance and ensuring a safe, coordinated response across your distribution network.

Key features that set this part apart

• 100 A rating—adequate for feeding mid-sized equipment and controlling circuits that power essential operations.
• Three-pole design—provides comprehensive protection for 3-phase systems, improving protection reliability and fault clearance times.
• 600 V maximum voltage—fits standard industrial electrical infrastructures, enabling broad compatibility in commercial and light industrial environments.
• Siemens part CLE63B100— catalog-aligned for straightforward replacement, inventory consistency, and seamless integration within Siemens protection schemes.
• Potential transformer compatibility— supports configurations that include metering and protection relays, enabling measurement-based protection strategies in smarter electrical networks.

Ideal use cases include upgrading legacy Siemens panels, stocking spare parts for 3-phase distribution, and protecting critical loads like conveyors, HVAC systems, chillers, and data-center infrastructure. Whether you’re refurbishing a facility or expanding an existing setup, the CLE63B100 provides a dependable, plug-in-ready solution for 100 A circuit protection in environments up to 600 V.

Practical installation and performance notes

• Verify compatibility with your panel’s mounting footprint and bus connection to ensure a smooth replacement or upgrade.
• When integrating with metering or protection relays, plan for potential transformer (PT) pathways and configure protection settings to achieve selective tripping and optimal coordination.
• Always follow standard electrical safety practices, including lockout/tagout (LOTO) during installation and maintenance.

With the Siemens CLE63B100, you gain a trusted, purpose-built solution for robust 3-phase protection at 100 A and up to 600 V. It’s a practical, scalable choice for facilities that rely on reliable circuit protection to keep operations running smoothly.