5SY4303-5

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$148.29
$148.29
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Overview of Siemens 5SY4303-5

Buy genuine Siemens 5SY4303-5 online today for your automation system. This miniature circuit breaker (MCB) is designed for reliable protection in industrial and commercial electrical installations. With a rated current of 3 A and a voltage rating of 400 V, the 5SY4303-5 offers precise short-circuit and overload protection. Its 3-pole configuration ensures comprehensive circuit control, making it suitable for multi-phase power systems. The compact design with a 70 mm width enables easy integration in control panels and switchgear assemblies. Siemens, a leading brand in electrical engineering, ensures this MCB provides excellent durability, safety, and compliance with industry standards.

Key Features of Siemens 5SY4303-5

  • Rated operational voltage: 400 V AC
  • Rated current: 3 A with A-type tripping characteristic for short-circuit protection
  • 3-pole design for complete circuit disconnection
  • Breaking capacity of 10 kA, ensuring high interrupting power
  • Compact width of 70 mm for space-saving panel designs
  • Compatible with finely stranded conductors from 0.75 to 25 mm²
  • Robust construction from Siemens Basic Devices family
  • Industrial-grade reliability and long lifecycle support

Technical Specs of Siemens 5SY4303-5

Explore Siemens 5SY4303-5 specifications for detailed parameters covering voltage, I/O, and communication to ensure system compatibility.

Specification Value
Rated current (In) 3 A
Number of poles 3
Rated operational voltage 400 V AC
Breaking capacity 10 kA
Width 70 mm
Tripping characteristic A type
Conductor cross-section 0.75–25 mm²

Applications / Use Case

This Siemens 5SY4303-5 is commonly used in industrial automation, process control, and production line systems worldwide. It protects electrical circuits in factory control panels, ensuring equipment safety from overloads and short circuits. Its reliable performance makes it ideal for machine automation setups and conveyor operations where precise circuit interruption is crucial. This MCB is frequently incorporated in manufacturing plants, building automation, and energy distribution networks requiring compact, high-quality circuit protection solutions.

Price & Availability

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5SY4303-5

$148.29

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

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.

How fast is shipping?

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

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