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Siemens 3VA2125-7KP36-0AA0
3VA21 3P 25A 110KA ETU8-LSI BOX
Product Description
The 3VA21 circuit breaker is designed for low voltage applications and adheres to IEC standards. It features a very high breaking capacity, classified as Class C, with a rated current of 25A and an impressive breaking capacity of 110kA at 415V. This device is equipped with an ETU850 electronic trip unit that includes an LCD display for metering functions.
With dimensions of 4.1 x 7.1 x 4.2 inches, this circuit breaker is compact yet powerful. It operates at a rated voltage of up to 690V and incorporates a frame clamp connection on the front side. The overload protection settings range from 10A to 25A, while the short-circuit protection can be adjusted between 0.6 to 10 times the rated current. This circuit breaker also allows for optional connection via an external current transformer for conductor protection, which can extend up to 160% of the rated current.
Furthermore, the device is designed for fixed built-in installation and is suitable for DIN rail mounting. It does not include integrated earth fault protection or under voltage release features, but it does come complete with a protection unit.
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Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
- Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- Number of poles
- 3
- Rated voltage
- 690 V
- Motor drive optional
- Motor drive integrated
- Degree of protection (IP)
- IP40
- Rated permanent current Iu
- 25 A
Available Offers
(3)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
![]() | Condition New Surplus | Availability On requestLead time: 21 days | Supplier | Warranty Not specified | |
| 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 3VA2125-7KP36-0AA0, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 21-09-2026

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