Siemens SENTRON NH1-GL/GI Fuse-Link
The Siemens SENTRON NH1-GL/GI fuse-link (MRN: 3NA3120) is designed for reliable protection in low-voltage applications. Built to the LV HRC design, it ensures high switching capacity and safety in demanding industrial environments.
Manufacturer: Siemens
Product Brand: SENTRON
Type: Fuse-Link
Model: NH1-GL/GI
MRN: 3NA3120
Technical Information
- Design of Identification Indicator: Front Indicator
- Design of Fuse Link: LV HRC Design
- Size of Fuse System (DIN EN 60269-1): NH1
- Operating Class: GL/GI
- Circuit-Breaker / Design: 3NA
- Operating Voltage: 500 V AC
- Rated Operating Current: 50 A
- Switching Capacity Current (IEC 60947-2): 120 kA
- Ambient Temperature Range: -5 / 40 °C
- Width of Enclosure: 30 mm
- Mounting Position: Any, preferably vertical
- Standard: VDE 0636/21, OVE
- Dimensions: 134 × 30 × 64 mm








