Siemens 5SN71010-KB30 Circuit Breaker, 1A, 1-Pole

Meet the Siemens 5SN71010-KB30 circuit breaker — a purpose-built protection solution for industrial electrical service, maintenance, and replacement projects. This 1A, 1-pole device delivers dependable overcurrent protection for low-current circuits in control panels, automation cabinets, and machine enclosures, helping you keep critical equipment safe and online.

Why this 5SN71010-KB30 stands out

• Precise 1 A protection: Tailored for delicate control circuits, sensor lines, and lightweight automation components, preventing nuisance trips while guarding against overloads.
• Compact 1-pole design: Streamlined protection for a single circuit within crowded panels, enabling tidy wiring and simpler maintenance.
• Industrial-grade reliability: Built to endure demanding environments, delivering consistent protection across shifts and seasons.
• Clear compatibility through the part number: Use the part number 5SN71010-KB30 to confirm fit for your application and panel requirements, reducing guesswork during replacement or refurbishment.
• Siemens ecosystem integration: Designed to work seamlessly with other Siemens protection and control devices, simplifying spare parts management and service workflows.

Practical use cases

• Protect low-current control circuits in automation panels, including PLC inputs, relay logic, and actuator lines.
• Provide reliable protection during maintenance on industrial equipment such as conveyors, packaging machinery, and small automation subsystems.
• Replace aging breakers in existing Siemens installations to maintain consistent electrical protection characteristics and sourcing continuity.

How to ensure the right fit

Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.