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Mersen K1017207
Cylindrical Fuse Protistor® Size 14x51 gR 50 A 690VAC
Product Description
The Protistor® cylindrical fuse, size 14x51 gR, is engineered for the protection of power semiconductors, adhering to IEC standards 60269-1 and -4. With a high breaking capacity of 160 kA at 690 VAC, this fuse operates effectively within a current range of 1 to 63 A. The model with a trip-indicator is also available, enhancing operational safety.
Constructed with a ceramic insulating body and featuring silver-plated copper connection terminals, the fuse is designed for reliable performance. The power dissipation at its rated current is 8.75 W, with a clearing I²T of 2250 A²s and a melting I²T of 387 A²s, ensuring rapid response to overcurrent conditions. The fuse is mounted using a clip mechanism, facilitating straightforward installation.
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Offer details
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees - Availability:
- On requestLead time to be confirmed
- Warranty:
- 12 months
- Condition:
- New Factory Sealed
Specifications
- Brand
- Mersen
- Ampere Rating
- 50 A
- Rated Voltage Ac Iec
- 690 V
- Ac Max I R Breaking Capacity I1
- 160 kA
- Clearing I2T At Rated Voltage
- 2250 A²s
- Melting I2T
- 387 A²s
- Power Dissipation At Rated Current Value
- 8.75 W
Available Offers
(1)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Factory Sealed | Availability On requestLead time to be confirmed | SupplierItalyTrusted 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 Mersen K1017207, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 19-09-2026
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