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Siemens 3VA2140-5HL42-0AA0
3VA21 4P 40A 55KA Circuit Breaker with Electronic Trip Unit
Product Description
The 3VA21 circuit breaker is a low voltage molded case circuit breaker designed for efficient electrical protection. With a rated current of 40A and a breaking capacity of 55kA at 415V, this device supports medium voltage applications under IEC standards. The electronic trip unit, designated as ETU320, allows for precise overload protection settings ranging from 16A to 40A.
Featuring a 4-pole configuration, this breaker is tailored for comprehensive line protection. It is equipped with a nut keeper for secure terminal connections and can be mounted on a DIN rail, ensuring versatility in installation. The device also includes an adjustable undelayed short-circuit release, which provides enhanced safety by allowing users to customize the response to fault conditions.
Measuring 5.5 x 7.1 x 4.2 inches, the compact design facilitates integration into various electrical systems. The circuit breaker is constructed to meet stringent protection requirements, offering features such as integrated earth fault protection and an optional motor drive. Its robust build and functionality make it suitable for a wide range of industrial applications.
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Offer details
- Offer from:
Trusted supplier — Germany, member since 2024
- Availability:
- On requestLead time: 5 days
- Warranty:
- Not specified
- Condition:
- New Factory Sealed
Specifications
- Brand
- Siemens
- Number of poles
- 4
- Rated voltage
- 690 V
- Motor drive optional
- Motor drive integrated
- Degree of protection (IP)
- IP40
- Rated permanent current Iu
- 40 A
Available Offers
(2)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Factory Sealed | Availability On requestLead time: 5 days | Supplier | Warranty Not specified | ||
![]() | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3VA2140-5HL42-0AA0, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 16-09-2026

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