3VA5280-5EC31-2AA0 The Siemens 3VA5280-5EC31-2AA0 is a 3-pole molded-case circuit breaker designed for system protection. It offers an 80A operational current at 40°C and a breaking capacity of 35 kA at 480V.
Mfr Part #:

3VA5280-5EC31-2AA0

Mfr Name: Siemens
Siemens
The Siemens 3VA5280-5EC31-2AA0 is a 3-pole molded-case circuit breaker designed for system protection. It offers an 80A operational current at 40°C and a breaking capacity of 35 kA at 480V.
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$ Price Range: $0.99

3VA5280-5EC31-2AA0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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3VA5280-5EC31-2AA0 Description

Short technical summary and product information.

This Siemens 3VA5 molded-case circuit breaker, part number 3VA5280-5EC31-2AA0, is a 3-pole device designed for system protection applications. It features an operational current rating of 80A at 40°C, with a maximum insulation voltage of 800V and an operating voltage of up to 690V AC.

 

The circuit breaker provides overload protection with an adjustable response current (Ir) of 80A and short-circuit protection with an adjustable response current (Ii) from 5 to 10 times In. It boasts a breaking capacity of 35 kA at 480V according to UL 489 standards and 55 kA at 415V according to IEC 60947.

 

Designed for DIN rail mounting, this breaker has a mechanical service life of 20,000 operating cycles and an electrical endurance of 8,000 cycles at AC-1 and 380/415V. The overcurrent release type is TM230 with LI protection function.

3VA5280-5EC31-2AA0 Quick Information

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

3VA5280-5EC31-2AA0 Compliance

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

3VA5280-5EC31-2AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA5280-5EC31-2AA0 Features

  • 3-pole molded-case circuit breaker.
  • 80A operational current at 40°C.
  • 690V AC maximum operating voltage.
  • 35 kA breaking capacity at 480V (UL 489).
  • DIN rail mounting type.

3VA5280-5EC31-2AA0 Applications

  • Suitable for system protection.
  • Designed for HACR type applications.
  • Used in AC circuits up to 690V.
  • Provides overload and short-circuit protection.

3VA5280-5EC31-2AA0 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the Siemens 3VA5280-5EC31-2AA0 circuit breaker?

The operational current is 80 A at 40 °C.

What is the maximum operating voltage for this circuit breaker?

The rated operating voltage at AC is 690 V.

What is the breaking capacity of the 3VA5280-5EC31-2AA0 according to UL 489?

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

How is the Siemens 3VA5280-5EC31-2AA0 circuit breaker mounted?

It is designed for DIN Rail mounting.

What type of overcurrent protection does this breaker offer?

It offers LI protection function for the overcurrent release.

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