Siemens CLE63B030 30A 3-Pole 600 V Circuit Breaker Potential Transformer

Meet the Siemens CLE63B030—a robust 3‑pole molded‑case circuit breaker engineered for reliable protection in demanding electrical environments. With a 30 A current rating and a 600 V maximum system voltage, this part (CLE63B030) is built to safeguard three‑phase feeders and connected equipment in industrial and commercial power distributions.

Key specifications

• Current rating: 30 A
• Poles: 3
• Voltage rating: 600 V
• Part number: CLE63B030

Why this CLE63B030 stands out

• Designed to guard all phases in three‑phase systems, helping prevent damage from overloads and short circuits across motors, transformers, and feeders.
• Siemens reliability and compatibility: A deliberate choice for Siemens panels and distribution boards, ensuring consistent performance and straightforward replacement in compatible assemblies.
• Precise coordination for robust protection: The CLE63B030 is crafted to respond predictably to fault conditions, providing dependable interruption when protection is needed without unnecessary trip events.

Ideal use cases

• Feeder protection for three‑phase motors and equipment in manufacturing lines
• Main distribution protection in panelboards and switchgear operating at up to 600 V
• Electrical rooms and commercial facilities with 3‑phase power feeds that require reliable, easy‑to‑replace protective devices
• retrofit projects where a Siemens CLE63 family part is preferred for compatibility and stock availability

How it solves real-world problems

In environments with heavy loads and motors, a precise 30 A protection device helps prevent nuisance trips while still offering decisive interruption during overloads or short circuits. The 3‑pole design ensures balanced protection across all phases, reducing the risk of phase unbalance and extending the life of connected equipment. By choosing a known, compatible Siemens part like CLE63B030, maintenance teams minimize downtime during replacements and streamline spare‑part management.

Practical installation and care tips

• Verify that the CLE63B030 matches the panel or distribution assembly requirements and the system’s protection coordination plan.
• Follow local electrical codes and manufacturer guidelines for mounting, wiring, and safe handling.
• Plan for routine inspection of connection terminals and enclosure integrity as part of preventive maintenance.