3VA5120-4EC32-0AA0 Siemens 3VA5120-4EC32-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It offers a 20A operational current and a breaking capacity of 25kA at 480V.
Mfr Part #:

3VA5120-4EC32-0AA0

Mfr Name: Siemens
Siemens
Siemens 3VA5120-4EC32-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It offers a 20A operational current and a breaking capacity of 25kA at 480V.
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$ Price Range: $0.99

3VA5120-4EC32-0AA0 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
Height
Illumination
Mounting Type
Number of Poles
Voltage
Voltage Rating
Width

3VA5120-4EC32-0AA0 Description

Short technical summary and product information.

The Siemens 3VA5120-4EC32-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features an operational current rating of 20A at 40°C, with a maximum rated operational voltage of 690V AC.

 

This circuit breaker provides a breaking capacity of 25kA at 480V according to UL 489 standards, and 55kA at 240V according to IEC 60947 standards. The overcurrent release is of type TM230 with LI protection function, and adjustable short-circuit protection.

 

With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles, this breaker is built for durability. It is designed for DIN rail mounting and has a compact mechanical design with dimensions of 140mm height, 76.2mm width, and 76.5mm depth.

3VA5120-4EC32-0AA0 Quick Information

Product Type: Molded-case circuit breaker
Canonical Name: Siemens 3VA5 Molded-case circuit breaker
Subcategory: Circuit Breakers

3VA5120-4EC32-0AA0 Compliance

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

3VA5120-4EC32-0AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA5120-4EC32-0AA0 Features

  • 3-pole molded-case circuit breaker.
  • 20A operational current rating.
  • 690V AC maximum operating voltage.
  • 25kA breaking capacity at 480V.
  • DIN rail mounting type.

3VA5120-4EC32-0AA0 Applications

  • Suitable for system protection.
  • Designed for industrial applications.
  • Used in power distribution.
  • Ideal for control panels.

3VA5120-4EC32-0AA0 FAQs

8 frequently asked questions generated from this part’s specifications.
What is the rated insulation voltage of this circuit breaker?

800 V

What is the maximum rated operational voltage with DC?

500 V DC

What is the operating voltage at AC?

690 V AC

What is the mechanical service life of this circuit breaker?

20,000 switching cycles

What is the electrical endurance at 380/415 V?

8,000 switching cycles

What is the electrical endurance at 690 V?

4,000 switching cycles

What is the breaking capacity at 240 V?

55 kA

What is the number of poles for this circuit breaker?

3

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