Siemens TC1Q1 40A Circuit Breaker | AmpState

Siemens TC1Q1 40A Circuit Breaker is built for everyday electrical work, delivering reliable circuit protection in panelboards, load centers, and electrical distribution networks. This direct part-number match is a strategic choice for maintenance teams, panel builders, and spare inventory where accurate fit matters and downtime is costly.

• Exact part-number compatibility: TC1Q1 is designed to plug into Siemens panelboards and enclosures without modification, helping you avoid field-fit uncertainty and delays.
• 40 amp rating: Provides robust protection for mid-range branch circuits, balancing safety with practical operating capacity.
• Versatile for Siemens systems: Suitable for use across panelboards, load centers, and various electrical distribution configurations within Siemens ecosystems.
• OEM reliability: Built to the original specifications, ensuring consistent trip performance and predictable electrical behavior over time.
• Available from AmpState: In stock and ready to ship, making it easy to secure a dependable replacement or spare part when you need it.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Ideal for facilities engineers, electricians, and maintenance crews responsible for commercial or industrial installations where dependable protection is essential. Use TC1Q1 to replace a failed unit in existing Siemens systems or to stock a reliable spare that reduces downtime and speeds future maintenance tasks.