SIEMENS
Siemens 3NC2280 is a high-performance SITOR cylindrical fuse link designed for semiconductor protection. Featuring an 80A current rating and a 22×58 mm form factor, it supports voltages up to 690V AC and 700V DC, ensuring rapid response for sensitive power electronics.
The Siemens 3NC2280 SITOR Cylindrical Fuse Link is a high-performance protection device designed specifically for semiconductor applications. With a compact 22x58 mm cylindrical design, this fuse provides fast-acting aR protection to safeguard sensitive power electronics from short-circuit damage.
Rated at 80 A, it supports up to 690 V AC and 700 V DC, making it suitable for both AC and DC systems. The fuse is UL-compliant for DC applications, ensuring safety, reliability, and international acceptance in industrial environments.
Reliable semiconductor protection with fast-acting aR characteristics
High voltage capability for both AC and DC applications
Compact cylindrical design saves installation space
UL-approved for DC use, ensuring global compliance
Siemens quality for long-term operational reliability
Protects power semiconductors such as thyristors, diodes, and IGBTs
Prevents damage from short circuits and overloads
Ensures stable operation in industrial power systems
Suitable for use in converters, inverters, and power supplies
Fuse Type: SITOR cylindrical fuse link
Size: 22 x 58 mm
Rated Current: 80 A
Fuse Characteristic: aR (semiconductor protection)
Rated Voltage AC: 690 V
Rated Voltage DC: 700 V
Standards: DC according to UL
Manufacturer: Siemens
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| SKU / Model | 3NC2280 |
|---|---|
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | SITOR cylindrical fuse link |
| design of the product | DC acc. to UL |
| design of an identification indicator | Striker indicator |
| operating class of the fuse link | aR |
| size of the fuse link | 22x58 mm |
| type of voltage / of the operating voltage | AC |
| supply voltage / at DC | 500Â V |
| operating voltage / at AC / rated value | 690Â V |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 13.5Â W |
| operational current / at AC / rated value | 80Â A |
| operational current / rated value | 80Â A |
| product component / striker | Yes |
| mounting position | Any, preferably vertical |
| Weight | 0.057 kg |
| Dimensions | 63.00 × 115.00 × 25.00 mm |
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