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5SY4203-7

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Regular price $62.37
Sale price $62.37 Regular price


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Buy genuine Siemens 5SY4203-7 online

The Siemens 5SY4203-7 is a factory-grade miniature circuit breaker designed for reliable supplementary protection in industrial automation systems. Featuring a 2-pole, 3 ampere rating and a C Curve trip characteristic, this UL 1077 certified device ensures rapid trip response for sensitive equipment protection. Compact with a footprint of just 90 mm height, 36 mm width, and 70 mm depth, the 5SY4203-7 easily mounts on standard 35mm DIN rails. Its sturdy IP20 enclosure and robust construction guarantee durability across a broad ambient temperature range from -40 to 70 °C, making it ideal for demanding electrical control panels. Purchase this Siemens circuit breaker to enhance your system’s safety with precision and factory-tested quality.

Key Features of Siemens 5SY4203-7

  • Two-pole miniature circuit breaker with 3A rated current
  • C Curve tripping characteristic for medium inrush currents
  • Thermal/magnetic trip mechanism for reliable protection
  • Supports line/load side screw connections for wiring flexibility
  • Fits standard 35 mm DIN rail mounting systems
  • Compact size: 90mm height, 36mm width, 70mm depth
  • IP20 protection rating for safe panel installation
  • Wide operating temperature range from -40 °C to 70 °C
  • Rated for 400V voltage and 10kA short-circuit breaking capacity
  • Conforms to IEC / EN 60898-1, IEC / EN 60947-2, and UL1077 standards

Technical Specs of 5SY4203-7

Explore Siemens 5SY4203-7 specifications for detailed parameters to ensure system compatibility.

Parameter Value
Poles 2
Rated Current 3 A
Tripping Curve C Curve
Rated Voltage 400 V AC
Breaking Capacity 10 kA
Mounting DIN rail (35 mm)
Dimensions (H x W x D) 90 mm x 36 mm x 70 mm
Enclosure Protection IP20
Operating Temperature -40 °C to 70 °C
Standards IEC / EN 60898-1, IEC / EN 60947-2, UL1077

Applications / Use Case

This Siemens 5SY4203-7 is commonly used in industrial automation and machine automation systems worldwide. It provides supplementary protection for control panels, enabling rapid fault isolation without disrupting other circuits. Its fast tripping feature protects delicate components in process control setups and production line systems, ensuring reliable machine operation. The 5SY4203-7 also serves as a local disconnect device where branch circuit breakers are already installed, supporting efficient maintenance and safety in manufacturing environments.

Price & Availability

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5SY4203-7

$62.37

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

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All products are delivered within 2-8 business days depending on our stock location.

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