5SY4220-7

Siemens 5SY4220-7 available at EU Automation. Get in touch today for a quick price.

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The Siemens 5SY4220-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for quick assembly, this two-pole circuit breaker is suitable for both AC and DC operations, with a rated voltage of 400V for AC. It boasts a 20A current rating and a C tripping characteristic, making it an excellent choice for installations that require a moderate level of inrush current tolerance.

This circuit breaker is characterised by its compact dimensions, with a depth of 70mm, allowing for efficient use of space within electrical enclosures. The unit is designed to be mounted in any position, offering flexibility in installation. It has a mechanical operating life of approximately 20,000 cycles, indicating a durable and long-lasting design.

Safety is a key feature of the 5SY4220-7, which includes touch protection and the ability to be sealed to prevent unauthorised adjustments. It conforms to overvoltage class 3 and pollution degree 3 standards, ensuring it can handle transient overvoltages and operate reliably in environments with non-conductive pollution.

The circuit breaker's halogen-free construction and absence of silicon underscore its environmental consideration, making it a suitable choice for a wide range of industrial applications. Whether used as part of a control panel or as a standalone device, the Siemens 5SY4220-7 miniature circuit breaker is a dependable solution for circuit protection.
Specification Description
Part Number 5SY4220-7
Alternative Part Number 5SY42207
Manufacturer Siemens
Type Miniature Circuit Breaker
Operation Mechanism Toggle
Rated Voltage 400 V
Interrupting Capacity 5 kA
Current Rating 20 A
Trip Characteristics Thermal-Magnetic
Terminal Connection Type Screw
Mounting DIN Rail Mount
Dimensions 35.2 x 76 x 89.8 mm
Commodity Code 853620

What type of device is this?

This is a miniature circuit breaker designed for protecting electrical circuits from overcurrents and short circuits.

What are the voltage specifications for this circuit breaker?

The circuit breaker is suitable for 230/400 V applications.

What is the interrupting capacity of this circuit breaker?

It has an interrupting capacity of 5 kA.

Can this circuit breaker be used in both AC and DC applications?

Yes, it is designed for use in both AC and DC circuits.

What is the current rating of this circuit breaker?

The current rating for this circuit breaker is 20 A.

What type of tripping mechanism does the circuit breaker use?

It uses a thermal-magnetic tripping mechanism.

How is this circuit breaker mounted?

It is designed for DIN rail mounting, making it easy to install and maintain.

What are the dimensions of this circuit breaker?

The dimensions are 35.2 x 76 x 89.8 mm.

Is this circuit breaker suitable for residential or commercial use?

It is versatile and can be used in both residential and commercial settings, depending on the electrical protection requirements.

What is the tripping characteristic of this circuit breaker?

This circuit breaker has a 'C' tripping characteristic, which means it is designed to trip at a current rating between 5 and 10 times its rated current, making it suitable for higher inrush currents.

  • Protection of electrical circuits in residential, commercial, and industrial buildings.
  • Safeguarding lighting circuits from overloads and short circuits.
  • Ensuring the safety of power distribution systems in small to medium-sized enterprises.
  • Providing circuit protection for HVAC systems and equipment.
  • Used in control panels for machinery and industrial equipment.
  • Protecting circuits in renewable energy installations, such as solar panel systems.
  • Ensuring safe operation of electrical circuits in data centers and IT infrastructure.
  • Used in the protection of circuits in automation and control systems.

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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Tom Higgins did a great job at getting…


Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.

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