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Siemens 3NC8431-3C
SITOR Semiconductor Fuses, 350A, 690V, Size 3, Indicator
Product Description
The Siemens Low Voltage Controls SITOR Semiconductor Fuses are designed to provide circuit protection in control circuits. These fuses are characterized by their slotted blade contacts, NH3 design, and a rating of 350A with an AC voltage of 690V and a DC voltage of 440V.
The SITOR fuse link is equipped with a front indicator for easy monitoring of its status. This feature enhances the functionality of these fuses, making them a reliable choice for circuit protection in various applications.
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Offer details
- Offer from:
- Trusted supplier — United Kingdom, member since 2021
- Availability:
- 3 pcs.Updated at: 31-10-2025In-Stock
- Warranty:
- Not specified
- Condition:
- New Factory Sealed
Specifications
- Brand
- Siemens
- Rated current
- 350 A
- Rated voltage
- 690 V
- Voltage type
- AC/DC
- Construction size
- NH3
- Rated switching capacity
- 100 kA
- Insulated metal gripping lugs (IMGL)
Available Offers
(4)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Factory Sealed | Availability 3 pcs. Updated at: 31-10-2025In-Stock | Supplier United KingdomTrusted supplier — member since 2021 | Warranty Not specified | |
 | Condition New Factory Sealed | Availability 3 pcs. Updated at: 07-10-2026In-Stock | Supplier United StatesTrusted supplier — member since 2023 | Warranty 12 months | |
| Condition New Factory Sealed | Availability On requestLead time: 200 days | Supplier GermanyTrusted 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 |
United States
Germany
ItalyOffer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3NC8431-3C, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 31-10-2025
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