3VA5120-4EF36-0AA0 The Siemens 3VA5120-4EF36-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series. It offers a rated operational voltage of 690V AC and a current rating of 20A at 40°C.
Mfr Part #:

3VA5120-4EF36-0AA0

Mfr Name: Siemens
Siemens
The Siemens 3VA5120-4EF36-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series. It offers a rated operational voltage of 690V AC and a current rating of 20A at 40°C.
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$ Price Range: $0.99

3VA5120-4EF36-0AA0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Current Rating (Amps)
Failure Rate
Illumination
Mounting Type
Number of Poles
Voltage Rating

3VA5120-4EF36-0AA0 Description

Short technical summary and product information.

This Siemens 3VA5120-4EF36-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates within a rated voltage of 690V AC and features a current rating of 20A at 40°C, with derated values at higher temperatures.

 

The circuit breaker provides a breaking capacity of 25kA at 480V according to UL 489 standards and 55kA at 240V according to IEC 60947 standards. It is equipped with a TM240 overcurrent release and LI protection function.

 

Designed for DIN rail mounting, this component has a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V. It supports HACR, HID, and SWD type applications.

 

Key electrical specifications include an insulation voltage of 800V and a maximum power loss of 12.2W. The unit weighs 0.794 kg.

3VA5120-4EF36-0AA0 Quick Information

Product Type: Molded-case circuit breaker
Series: SENTRON
Canonical Name: Siemens 3VA5120-4EF36-0AA0 Molded-case circuit breaker
Subcategory: Molded Case Circuit Breaker

3VA5120-4EF36-0AA0 Compliance

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

3VA5120-4EF36-0AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA5120-4EF36-0AA0 Features

  • 3-pole molded-case circuit breaker.
  • Rated for 690V AC operation.
  • 20A operational current at 40°C.
  • 25kA breaking capacity at 480V (UL 489).
  • DIN rail mounting type.

3VA5120-4EF36-0AA0 Applications

  • Suitable for system protection.
  • Supports HACR type applications.
  • Supports HID type applications.
  • Supports SWD type applications.

3VA5120-4EF36-0AA0 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the rated operational voltage for this circuit breaker?

The rated operational voltage for this circuit breaker at AC is 690 V.

What is the current rating of the Siemens 3VA5120-4EF36-0AA0 at 40°C?

The operational current rating at 40°C is 20 A.

What is the breaking capacity according to UL 489 at 480V?

The breaking capacity according to UL 489 at 480V is 25 kA.

How is this circuit breaker mounted?

This circuit breaker is designed for DIN rail mounting.

What is the mechanical service life of this component?

The typical mechanical service life is 20,000 switching cycles.

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