3VA5125-1MU31-0AA0 The Siemens 3VA5125-1MU31-0AA0 is a 3-pole molded-case circuit breaker designed for starter protection. It offers a 25A operational current and a maximum operational voltage of 690V.
Mfr Part #:

3VA5125-1MU31-0AA0

Mfr Name: Siemens
Siemens
The Siemens 3VA5125-1MU31-0AA0 is a 3-pole molded-case circuit breaker designed for starter protection. It offers a 25A operational current and a maximum operational voltage of 690V.
Stock on Request
$ Price Range: $0.99

3VA5125-1MU31-0AA0 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Current Rating (Amps)
Depth
Height
Illumination
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel
Voltage Rating
Width

3VA5125-1MU31-0AA0 Description

Short technical summary and product information.

This Siemens 3VA5125-1MU31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It features a maximum rated operational current of 125A for the frame size, with a permanent rated current (Iu) of 25A across various ambient temperatures.

 

The circuit breaker operates at a maximum rated operational voltage of 690V AC (50/60 Hz) and has an insulation voltage of 800V. It provides robust short-circuit protection with a breaking capacity (Icu) of up to 150 kA at 240V and 70 kA at 415V. The adjustable response current (Ii) ranges from 75A to 175A.

 

Designed for mechanical reliability, it has a typical mechanical service life of 15,000 switching cycles. The unit measures 140 mm in height, 76.2 mm in width, and 76.5 mm in depth, with a front protection class of IP40. It is suitable for operation in ambient temperatures ranging from -25°C to 70°C.

 

This circuit breaker is approved by multiple agencies including CCC, CE, CSA, EAC, UL489, and VDE, ensuring compliance with various international standards. It is mounted on a DIN rail and features a lever actuator.

3VA5125-1MU31-0AA0 Quick Information

Product Type: Molded-case circuit breaker
Canonical Name: Siemens 3VA5 Molded-case circuit breaker, 3-pole, 25A, 690V AC, Starter Protection
Subcategory: Molded-case circuit breaker

3VA5125-1MU31-0AA0 Compliance

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

3VA5125-1MU31-0AA0 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

3VA5125-1MU31-0AA0 Features

  • 3-pole molded-case circuit breaker.
  • 25A operational current rating.
  • 690V maximum operational voltage.
  • High breaking capacity up to 150kA.
  • DIN rail mounting type.

3VA5125-1MU31-0AA0 Applications

  • Ideal for starter protection.
  • Suitable for HACR type applications.
  • Used in industrial control panels.
  • Provides overcurrent protection.
  • Ensures circuit safety.

3VA5125-1MU31-0AA0 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum insulation voltage of this circuit breaker?

The maximum insulation voltage is 800 V.

What is the rated current of this circuit breaker?

The rated current is 25A.

What is the breaking capacity at 240V?

The breaking capacity at 240V is 150 kA.

What mounting type does this circuit breaker use?

It mounts on a DIN rail.

What is the mechanical service life of this breaker?

It has a typical mechanical service life of 15,000 switching cycles.

What is the environmental protection class?

The protection class is IP40 on the front.

3VA5125-1MU31-0AA0 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
3VA5125-6EC31-1AA0
3VA5125-6EC31-1AA0
Siemens
The Siemens 3VA5125-6EC31-1AA0 is a 3-pole molded-case circuit breaker with a 25A operational current and a breaking capacity of 65kA at 480V. It is designed for DIN rail mounting.
View Part
3VA5125-5ED31-1AA0
3VA5125-5ED31-1AA0
Siemens
The 3VA5125-5ED31-1AA0 is a Siemens three-pole circuit breaker rated for 25A with a breaking capacity of 35kA at 480V.
View Part
3VA5125-5EC31-1AA0
3VA5125-5EC31-1AA0
Siemens
The Siemens 3VA5125-5EC31-1AA0 is a 3-pole molded-case circuit breaker rated for 25A and 690V. It offers a breaking capacity of 35kA at 480V and features TM230 overload protection.
View Part
3VA5125-6ED31-0AA0
3VA5125-6ED31-0AA0
Siemens
The Siemens 3VA5125-6ED31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It offers a 25A continuous current rating and a breaking capacity of 65kA at 480V.
View Part
Home
Account

Categories