3VA5145-4ED31-1AA0 The 3VA5145-4ED31-1AA0 is a molded-case circuit breaker from Siemens with a 45A rated operational current and a breaking capacity of 25kA at 480V.
Mfr Part #:

3VA5145-4ED31-1AA0

Mfr Name: Siemens
Siemens
The 3VA5145-4ED31-1AA0 is a molded-case circuit breaker from Siemens with a 45A rated operational current and a breaking capacity of 25kA at 480V.
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$ Price Range: $0.99

3VA5145-4ED31-1AA0 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
Overload Protection
Storage Temperature
Tape & Reel
Voltage Rating
Width

3VA5145-4ED31-1AA0 Description

Short technical summary and product information.

The 3VA5145-4ED31-1AA0 is a molded-case circuit breaker manufactured by Siemens. It features a rated operational current of 45A at 40°C and 50°C, and 42.2A at 70°C. The breaker has a breaking capacity of 25kA at 480V and a breaking capacity class of S. It is designed with three poles and includes overload protection of 45A and short-circuit protection of 10 times In. The device is suitable for electrical protection applications requiring high capacity circuit interruption. Its mechanical service life is approximately 15,000 switching cycles, with electrical endurance up to 8,000 cycles at 380/415V AC. The physical dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth.

3VA5145-4ED31-1AA0 Quick Information

Product Type: Circuit Breaker
Canonical Name: 3VA5145-4ED31-1AA0 Molded-case circuit breaker

3VA5145-4ED31-1AA0 Compliance

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

3VA5145-4ED31-1AA0 Estimated Pricing

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1+ $0.99 $0.99

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

3VA5145-4ED31-1AA0 Features

  • Rated for 45A operational current
  • Breaking capacity of 25kA at 480V
  • Three-pole configuration
  • Mechanical life of 15,000 cycles
  • High short-circuit protection

3VA5145-4ED31-1AA0 Applications

  • Used in industrial electrical distribution
  • Provides overload and short-circuit protection
  • Suitable for high-capacity circuit interruption
  • Designed for panel board installation

3VA5145-4ED31-1AA0 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the UL frame size of this circuit breaker?

The UL frame size is 125 A.

What is the breaking capacity of this circuit breaker?

The breaking capacity is 25 kA at 480V.

How many poles does this circuit breaker have?

It has three poles.

What is the protection function of this circuit breaker?

The protection function is LI.

What is the maximum rated operational current of the frame size?

The maximum rated operational current is 125 A.

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