Siemens SENTRON 3NA3144 LV HRC Fuse Link
The Siemens SENTRON 3NA3144 is a high-performance LV HRC fuse link designed for reliable protection in low-voltage power distribution systems. Engineered with a front indicator and non-insulated grip lugs, it ensures safe operation and easy identification of fuse status.
Manufacturer: Siemens
Type: Fuse Link
Model: 3NA3144
Product Brand Name: SENTRON
Technical Data:
- Size: NH1
- Operating Class: gG
- Designation: LV HRC Fuse Link
- Rated Current: 250 A
- Supply Voltage: 500 V AC / 440 V DC
- Power Loss: 18.2 W
- Width of the Enclosure: 47.2 mm
- Protection Proof: IP20 (with connected conductors)
- Ambient Operating Temperature: -5 to 40 °C










