3VA5112-1MU31-0AA0 The Siemens 3VA5112-1MU31-0AA0 is a 3-pole molded-case circuit breaker designed for starter protection. It features a 125A operational current and a maximum voltage rating of 690V.
Mfr Part #:

3VA5112-1MU31-0AA0

Mfr Name: Siemens
Siemens
The Siemens 3VA5112-1MU31-0AA0 is a 3-pole molded-case circuit breaker designed for starter protection. It features a 125A operational current and a maximum voltage rating of 690V.
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$ Price Range: $0.99

3VA5112-1MU31-0AA0 Specifications Quick View

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3VA5112-1MU31-0AA0 Description

Short technical summary and product information.

This Siemens 3VA5112-1MU31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It offers a robust current handling capability with a permanent rated current of 125A and an operational current of 125A at 40°C, derating slightly at higher temperatures.

 

The circuit breaker is built to withstand significant electrical stresses, featuring a maximum breaking capacity (Icu) of 150 kA at 240V and 70 kA at 415V. Its adjustable short-circuit protection ranges from 375A to 875A (Ii).

 

With a high insulation voltage of 800V and a maximum operational voltage of 690V AC, this breaker is suitable for demanding industrial environments. It operates reliably within an ambient temperature range of -25°C to 70°C and has a mechanical service life of up to 15,000 switching cycles.

 

The unit is designed for DIN rail mounting and has a protection class of IP40 on the front. It is UL489 listed and meets various international standards including CCC, CE, CSA, EAC, and VDE.

3VA5112-1MU31-0AA0 Quick Information

Product Type: Circuit Breaker
Canonical Name: Siemens 3VA5 Molded-case circuit breaker, 3-pole, 125A, 690V
Subcategory: Starter protection

3VA5112-1MU31-0AA0 Compliance

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

3VA5112-1MU31-0AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA5112-1MU31-0AA0 Features

  • 3-pole molded-case circuit breaker
  • 125A operational current rating
  • 690V maximum operational voltage
  • 150kA breaking capacity at 240V
  • DIN rail mounting type

3VA5112-1MU31-0AA0 Applications

  • Ideal for starter protection circuits
  • Suitable for HACR applications
  • Industrial control panel applications
  • Power distribution systems

3VA5112-1MU31-0AA0 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum operational voltage for the Siemens 3VA5112-1MU31-0AA0 circuit breaker?

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

What is the current rating of the 3VA5112-1MU31-0AA0 circuit breaker?

The permanent rated current (Iu) is 125 A, and the operational current at 40°C is also 125 A.

What is the breaking capacity of the Siemens 3VA5112-1MU31-0AA0 at 415V?

The breaking capacity (Icu) at 415 V is 70 kA, and the operating short-circuit current (Ics) at 415 V is also 70 kA.

What are the operating temperature limits for this circuit breaker?

The circuit breaker can operate in temperatures ranging from a minimum of -25 °C to a maximum of 70 °C.

Is the Siemens 3VA5112-1MU31-0AA0 RoHS compliant?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The Moisture Sensitivity Level (MSL) is 1 Unlimited.

3VA5112-1MU31-0AA0 Alternate Parts

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The Siemens 3VA5112-4ED31-1AA0 is a 3-pole molded-case circuit breaker with a 125A current rating and a 690V voltage rating. It offers a breaking capacity of 25kA at 480V.
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