3VA5120-5EC32-0AA0 The Siemens 3VA5120-5EC32-0AA0 is a 3-pole molded-case circuit breaker with a 20A current rating and a 690V AC operating voltage. It offers a breaking capacity of 35kA at 480V.
Mfr Part #:

3VA5120-5EC32-0AA0

Mfr Name: Siemens
Siemens
The Siemens 3VA5120-5EC32-0AA0 is a 3-pole molded-case circuit breaker with a 20A current rating and a 690V AC operating voltage. It offers a breaking capacity of 35kA at 480V.
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$ Price Range: $0.99

3VA5120-5EC32-0AA0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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3VA5120-5EC32-0AA0 Description

Short technical summary and product information.

This Siemens 3VA5120-5EC32-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features an operational current rating of 20A at 40°C and a maximum operating voltage of 690V AC.

 

The circuit breaker provides a breaking capacity of 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947 standards. It is equipped with a TM230 overcurrent release with LI protection function.

 

Designed for DIN rail mounting, this breaker has a mechanical service life of 20,000 switching cycles. Its dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. The breaker is also listed as HACR, HID, and SWD type compliant.

3VA5120-5EC32-0AA0 Quick Information

Product Type: Molded-case circuit breaker
Series: 3VA5
Canonical Name: Siemens 3VA5 Molded-case circuit breaker, 3-pole, 20A, 690V, 35kA @ 480V
Subcategory: Circuit Breakers

3VA5120-5EC32-0AA0 Compliance

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

3VA5120-5EC32-0AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA5120-5EC32-0AA0 Features

  • 3-pole molded-case circuit breaker
  • 20A operational current rating
  • 690V AC operating voltage
  • 35kA breaking capacity at 480V (UL 489)
  • DIN rail mounting type

3VA5120-5EC32-0AA0 Applications

  • System protection applications
  • HACR Type applications
  • HID Type applications
  • SWD Type applications

3VA5120-5EC32-0AA0 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operational current rating for the Siemens 3VA5120-5EC32-0AA0 circuit breaker?

The operational current rating is 20A at 40°C and 45°C, decreasing slightly at higher temperatures.

What is the maximum operating voltage for this circuit breaker?

The maximum rated operational voltage for DC is 500V, and the rated operating voltage for AC is 690V.

What is the breaking capacity of the 3VA5120-5EC32-0AA0 at 480V?

The breaking capacity according to UL 489 is 35kA at 480V.

How many poles does the Siemens 3VA5120-5EC32-0AA0 have?

This circuit breaker has 3 poles.

What type of mounting is supported by this circuit breaker?

This circuit breaker is designed for DIN rail mounting.

3VA5120-5EC32-0AA0 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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3VA5120-6EF32-0AA0
3VA5120-6EF32-0AA0
Siemens
The Siemens 3VA5120-6EF32-0AA0 is a 3-pole molded-case circuit breaker with a 20A operational current rating and a breaking capacity of 65kA at 480V. It is designed for DIN rail mounting.
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