3VA6340-5HM31-0AA0 The Siemens 3VA6340-5HM31-0AA0 is a 3-pole molded-case circuit breaker with a 400A current rating and 690V voltage rating. It offers a breaking capacity of 35kA at 480V.
Mfr Part #:

3VA6340-5HM31-0AA0

Mfr Name: Siemens
Siemens
The Siemens 3VA6340-5HM31-0AA0 is a 3-pole molded-case circuit breaker with a 400A current rating and 690V voltage rating. It offers a breaking capacity of 35kA at 480V.
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3VA6340-5HM31-0AA0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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3VA6340-5HM31-0AA0 Description

Short technical summary and product information.

The Siemens 3VA6340-5HM31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a current rating of 400A and a voltage rating of 690V.

 

This circuit breaker provides robust protection with a breaking capacity of 35kA at 480V according to UL 489 standards, and 85kA at 240V according to IEC 60947 standards. It is equipped with an ETU330 electronic trip unit with LIG protection functions, allowing adjustable overload protection from 160A to 400A and short-circuit protection from 1.5 to 10 times the rated current.

 

Designed for DIN rail mounting, this breaker has a mechanical service life of typically 15,000 switching cycles. Its dimensions are 248mm in height, 138mm in width, and 110mm in depth. The breaker is also HACR Type compliant.

 

Key electrical specifications include a maximum power loss of 70W and an insulation voltage of 600V. The operational current varies with temperature, ranging from 385A at 55°C down to 340A at 70°C.

3VA6340-5HM31-0AA0 Quick Information

Product Type: Molded-case circuit breaker
Canonical Name: Siemens 3VA6 Molded-case circuit breaker, 3-pole, 400A, 690V, ETU330, LIG
Subcategory: Molded Case Circuit Breaker

3VA6340-5HM31-0AA0 Compliance

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

3VA6340-5HM31-0AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA6340-5HM31-0AA0 Features

  • 3-pole molded-case circuit breaker
  • 400A current rating, 690V voltage rating
  • 35kA breaking capacity at 480V (UL)
  • ETU330 electronic trip unit with LIG
  • DIN rail mounting type

3VA6340-5HM31-0AA0 Applications

  • Used in industrial circuit protection systems
  • Suitable for high-current electrical distribution
  • Installed in control panels and switchgear
  • Provides reliable short-circuit interruption

3VA6340-5HM31-0AA0 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the Siemens 3VA6340-5HM31-0AA0 circuit breaker?

The operational current rating is up to 385A at 55°C, down to 340A at 70°C, with an adjustable overload protection range of 160A to 400A.

What is the voltage rating for this circuit breaker?

The insulation voltage rating is 600V, and the rated voltage is 690V.

What is the breaking capacity of the 3VA6340-5HM31-0AA0?

The breaking capacity is 35kA at 480V according to UL 489, and 85kA at 240V, 55kA at 415V, and 5kA at 690V according to IEC 60947.

How is the Siemens 3VA6340-5HM31-0AA0 circuit breaker mounted?

This circuit breaker is designed for DIN rail mounting.

What are the dimensions of this circuit breaker?

The dimensions are 248mm in height, 138mm in width, and 110mm in depth.

Does this circuit breaker have adjustable short-circuit protection?

Yes, the short-circuit protection (Ii) is adjustable from 600A to 4000A.

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