5SY4220-8

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Overview of Siemens 5SY4220-8

Shop genuine Siemens 5SY4220-8 miniature circuit breaker online today for your automation system. This industrial-grade SENTRON circuit breaker is designed for reliable protection in demanding environments. The Siemens 5SY4220-8 is a 2-pole, 20A device with a Type D tripping characteristic, making it ideal for applications where high inrush currents are common. With a breaking capacity of 10kA and rated for 230/400V AC, this MCB ensures robust protection for electrical circuits in industrial automation and control panels. Its compact design fits standard DIN rail mounting, and its wide operating temperature range (-40°C to +70°C) makes it suitable for harsh conditions. Whether you need to buy Siemens 5SY4220-8 for a new installation or replacement, this product delivers factory-grade performance and safety.

Key Features of Siemens 5SY4220-8

  • 2-pole miniature circuit breaker for DIN rail mounting
  • Rated current: 20A, Type D tripping characteristic
  • Rated voltage: 230/400V AC, breaking capacity: 10kA
  • Compact design with 2 modular width units, easy installation
  • Wide operating temperature range: -40°C to +70°C
  • High vibration and shock resistance for industrial environments
  • Quick assembly system for fast mounting and maintenance
  • Complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards

Technical Specs of 5SY4220-8

Explore Siemens 5SY4220-8 specifications for detailed parameters before installation.

Parameter Value
Number of Poles 2
Rated Current 20A
Tripping Characteristic Type D
Rated Voltage 230/400V AC
Breaking Capacity 10kA
Mounting DIN rail
Operating Temperature -40°C to +70°C
Standards IEC/EN 60898-1, IEC/EN 60947-2, UL1077

Applications / Use Case

This Siemens 5SY4220-8 is commonly used in industrial automation worldwide. It is ideal for protecting electrical circuits in factory control panels, production line systems, and machine automation setups. Its robust design and high breaking capacity make it suitable for environments with frequent switching and high inrush currents. Whether you're upgrading an existing system or installing new equipment, the Siemens 5SY4220-8 provides reliable protection and peace of mind.

Price & Availability

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5SY4220-8

$48.61

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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.

How fast is shipping?

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

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