Siemens 5SX2-103-7 Circuit Breaker, 3A, 1-Pole, 230V

The Siemens 5SX2-103-7 Circuit Breaker is built for dependable protection in industrial electrical service, maintenance, and replacement projects. With a precise 3 A rating and a single 1-pole configuration at 230 V, this breaker safeguards delicate control circuits and automation equipment without unnecessary interruptions.

• Part Number: 5SX2-103-7
• Amperage: 3 A
• Poles: 1
• Voltage: 230 V
• Typical Use: Industrial service, maintenance, and replacement projects

Why this Siemens breaker stands out: it’s designed to integrate seamlessly with Siemens electrical systems, offering a reliable, field-verified fit when you confirm compatibility by part number and application requirements. Its industrial-grade construction is tailored for panel boards, control cabinets, and distribution gear where compact, single-pole protection keeps sensitive loads safe from overloads and faults.

Practical use cases and scenarios:

• Protect single-phase control circuits in automation racks and PLC-driven devices, ensuring quick isolation during faults
• Serve as a durable replacement part in aging Siemens panels where a 3 A, 230 V, 1-pole breaker is specified
• Provide selective protection for sensors, actuators, and small relays within machine control enclosures

Key benefits you’ll rely on:

• Precise, low-current protection ideal for auxiliary circuits and control wiring
• Direct part-number reference simplifies sourcing and reduces the risk of mismatches in spare parts inventories
• Consistent Siemens build quality designed for steady performance in demanding industrial environments

Compatibility and fit guidance: verify the breaker fits your application by matching the part number 5SX2-103-7 to your equipment specifications. If you’re unsure about compatibility or need a quick cross-reference within your Siemens ecosystem, this product is well-suited as a straightforward, reliable replacement option.