3VA5120-4EC36-1AA0 The Siemens 3VA5120-4EC36-1AA0 is a 3-pole molded-case circuit breaker. It features a 20A operational current at 40°C and a breaking capacity of 25kA at 480V.
Mfr Part #:

3VA5120-4EC36-1AA0

Mfr Name: Siemens
Siemens
The Siemens 3VA5120-4EC36-1AA0 is a 3-pole molded-case circuit breaker. It features a 20A operational current at 40°C and a breaking capacity of 25kA at 480V.
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$ Price Range: $0.99

3VA5120-4EC36-1AA0 Specifications Quick View

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

3VA5120-4EC36-1AA0 Description

Short technical summary and product information.

This Siemens 3VA5120-4EC36-1AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates at a rated voltage of 690V AC and offers an overload protection setting of 20A.

 

The circuit breaker has a breaking capacity of 25kA at 480V and 14kA at 600Y/347V, with a switching capacity class of S. It is rated for 20A operational current at 40°C, with current derating at higher temperatures up to 18A at 70°C. The device features TM230 overcurrent release with LI protection function.

 

With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this breaker is built for durability. It is designed for DIN rail mounting and has a net weight of 0.934 kg. The operating temperature range includes 50°C.

3VA5120-4EC36-1AA0 Quick Information

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

3VA5120-4EC36-1AA0 Compliance

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

3VA5120-4EC36-1AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA5120-4EC36-1AA0 Features

  • 3-pole molded-case circuit breaker.
  • 20A operational current at 40°C.
  • 25kA breaking capacity at 480V.
  • 690V AC rated operating voltage.
  • DIN rail mounting type.

3VA5120-4EC36-1AA0 Applications

  • Suitable for system protection applications.
  • Designed for line protection.
  • UL489 listed for various applications.
  • Can be used in naval applications (SB).

3VA5120-4EC36-1AA0 FAQs

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

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

What is the current rating of the Siemens 3VA5120-4EC36-1AA0?

The operational current is 20A at 40°C, with derating to 18A at 70°C.

What is the breaking capacity of this circuit breaker?

The breaking capacity is 25kA at 480V and 14kA at 600Y/347V.

How many poles does this circuit breaker have?

This circuit breaker has 3 poles.

What is the mounting type for this circuit breaker?

The mounting type is DIN Rail.

What is the operating temperature for this circuit breaker?

The operating temperature is specified at 50°C.

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