Siemens W0202MB1100CU 100A 240 V Circuit Breaker

Siemens W0202MB1100CU 100A 240V Circuit Breaker is a genuine Siemens protection device designed to safeguard your electrical system. Part Number W0202MB1100CU, this breaker delivers a clear 100 A current rating and 240 V operating capacity, providing reliable overcurrent protection for circuits that demand robust safeguarding.

Designed for use in compatible Siemens panels, this breaker offers consistent interruption of overloads and short circuits, helping prevent wiring damage and fire hazards. The W0202MB1100CU model is built for durable performance and long service life in both residential and light commercial settings.

Key features and benefits

• 100 A rating at 240 V: protects feeders and branch circuits without nuisance trips in typical household and workshop installations.
• Genuine Siemens component with established trip performance and compatibility across Siemens electrical systems.
• Simple installation with standard mounting and termination, designed to integrate smoothly into Siemens panels that accept this series.
• Durable construction for daily operation in garages, basements, utility rooms, or service panels.
• Part Number clarity: W0202MB1100CU helps you keep your panel documentation organized and ensures you’re selecting the correct replacement or spare.

Ideal use cases: replacing a failed breaker in a Siemens-equipped panel, supplying power to high-draw appliances or circuits like HVAC systems, water heaters, subpanels, or large workshop tools that require reliable protection at 240 V and up to 100 A. It’s a practical choice for upgrading a panel or maintaining code-compliant overcurrent protection in a dedicated circuit.

Practical tips for installation and operation: confirm panel compatibility for the W0202MB1100CU series, torque terminal screws to the panel manufacturer's specification, and verify labeling for correct amperage. If you’re unsure about your panel’s capacity or the wiring, consult a licensed electrician to ensure safe, code-compliant installation.