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Siemens 3VA5120-4ED31-1AA0
3VA51 3P 20A 25KA FTFM NAV Circuit Breaker
Product Description
The 3VA51 circuit breaker operates at a rated voltage of 690V and is designed with a thermal-magnetic trip unit, specifically the TM210, providing fixed overload protection at 20A and short-circuit protection at 15 times the rated current. The device is constructed to meet Class S breaking capacity standards, ensuring reliable line protection.
It has dimensions of 3 x 5.5 x 3.7 inches and is rated for naval applications at a maximum ambient temperature of 50°C. The circuit breaker does not include lugs and features a built-in device fixed technique. While it supports optional motor drive integration, it does not come with an integrated under-voltage release or earth fault protection. The device is suitable for mounting on DIN rails, enhancing its installation flexibility.
With an IP40 degree of protection, this circuit breaker is appropriate for various industrial environments, ensuring durability and performance in demanding conditions.
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Offer details
- Offer from:
Trusted supplier — Germany, member since 2024 - Availability:
- On requestLead time: 50 days
- Warranty:
- Not specified
- Condition:
- New Factory Sealed
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
- 20 A
Available Offers
(2)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Factory Sealed | Availability On requestLead time: 50 days | SupplierGermanyTrusted supplier — member since 2024 | Warranty Not specified | |
 | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier ItalyTrusted supplier — member since 2021, 10–19 employees | 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 3VA5120-4ED31-1AA0, 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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