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Siemens 3VA5145-4ED21-0AA0
3VA51 2P 45A 25KA FTFM Circuit Breaker
Product Description
The 3VA51 2P 45A 25KA FTFM Circuit Breaker features a thermal-magnetic trip unit for reliable protection in low voltage applications. It has a standard class S breaking capacity suitable for various settings. The device operates at a rated voltage of 415V and is capable of handling up to 45A of permanent current.
With dimensions of 2 x 5.5 x 3.7 inches, this circuit breaker is designed without lugs, allowing for a more straightforward installation. The TM210 trip unit is equipped with fixed overload protection set at 45A and fixed short-circuit protection at 10 times the rated current (Ii = 10 x In). It does not feature a switched-off indicator or integrated earth fault protection.
This device complies with IP40 protection standards, making it suitable for a variety of environments. Additionally, it can be mounted on a DIN rail, enhancing its installation flexibility. The device is constructed as a built-in device, ensuring that it integrates seamlessly into existing systems. The rated short-circuit breaking capacity is rated at 36 kA at 400V and 50 Hz.
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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
- 2
- Rated voltage
- 415 V
- Motor drive optional
- Motor drive integrated
- Degree of protection (IP)
- IP40
- Rated permanent current Iu
- 45 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 3VA5145-4ED21-0AA0, 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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