5SY4205-5 The Siemens 5SY4205-5 is a 2-pole miniature circuit breaker rated for 400V and 0.5A operational current. It offers a 10kA switching capacity according to EN 60898.
Mfr Part #:

5SY4205-5

Mfr Name: Siemens
Siemens
The Siemens 5SY4205-5 is a 2-pole miniature circuit breaker rated for 400V and 0.5A operational current. It offers a 10kA switching capacity according to EN 60898.
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5SY4205-5 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Current Rating
Current Rating (Amps)
Depth
Halogen Free
Height
Illumination
Mounting Type
Number of Poles
Storage Temperature
Supply Voltage
Tape & Reel
Voltage Rating
Width

5SY4205-5 Description

Short technical summary and product information.

This Siemens 5SY4205-5 is a miniature circuit breaker designed for reliable circuit protection in industrial and mechanical engineering applications. It features a 2-pole configuration and a tripping characteristic class of A.

 

The breaker is rated for a supply voltage of 400V AC and has an insulation voltage of 440V AC. Its switching capacity is 10kA according to EN 60898 and 35kA according to IEC 60947-2. The operational current is 0.5A at 35°C, with derated values at higher temperatures.

 

Designed for easy installation, it supports DIN rail mounting and accommodates solid, stranded, and finely stranded conductors ranging from 0.75 mm² to 35 mm². The breaker also includes features such as being halogen-free, sealable, and silicon-free, making it suitable for various demanding environments.

 

Key technical data includes a mechanical service life of 10,000 switching cycles, an overvoltage category of III, and a degree of pollution of 3. The protection class is IP20 with connected conductors.

5SY4205-5 Quick Information

Product Type: Miniature Circuit Breaker
Canonical Name: Siemens 5SY4205-5 Miniature Circuit Breaker
Subcategory: Miniature Circuit Breakers

5SY4205-5 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

5SY4205-5 Estimated Pricing

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1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

5SY4205-5 Features

  • 2-pole miniature circuit breaker.
  • Rated for 400V AC supply voltage.
  • 0.5A operational current at 35°C.
  • 10kA switching capacity per EN 60898.
  • DIN rail mounting system.

5SY4205-5 Applications

  • Suitable for industrial applications.
  • Used in mechanical engineering.
  • Provides overcurrent protection.
  • General circuit protection needs.

5SY4205-5 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the Siemens 5SY4205-5 circuit breaker?

The rated supply voltage for the Siemens 5SY4205-5 is 400 V AC.

What is the operational current for the 5SY4205-5 at 35°C?

The operational current for the 5SY4205-5 at 35°C is 0.5 A.

What is the switching capacity of the 5SY4205-5 according to EN 60898?

The switching capacity current according to EN 60898 is 10 kA.

How many poles does the 5SY4205-5 have?

The 5SY4205-5 has 2 poles.

What type of mounting does the 5SY4205-5 support?

The 5SY4205-5 supports DIN rail mounting.

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