Product Description
The Siemens 3NE1020-2 is a high-performance industrial HRC fuse link (SITOR series) designed for heavy-duty electrical protection in motor circuits, power distribution systems, and semiconductor/industrial control applications. It is a blade-type NH00 fuse rated for 80A and 690V AC, providing very high breaking capacity and fast, reliable fault interruption.
Key Features
- NH00 size industrial high rupturing capacity (HRC) fuse
- 80A rated current for medium-to-heavy industrial loads
- 690V AC / 250V DC high voltage protection
- GR class fuse (protects semiconductors + general circuits)
- Extremely high breaking capacity (up to ~100kA)
- Blade-type contact design for secure mounting in fuse bases
- Front indicator for blown fuse status
- Suitable for motor, inverter, and power distribution protection
- Reliable short-circuit and overload protection
- Designed for Siemens SITOR fuse systems
Specifications
- Product Type: HRC Fuse Link (SITOR Series)
- Model: 3NE1020-2
- Rated Current: 80A
- Rated Voltage: 690V AC / 250V DC
- Fuse Size: NH00
- Utilisation Category: gR (semiconductor protection + general use)
- Breaking Capacity: High (industrial grade, up to ~100kA AC)
- Body Material: Ceramic body with metal blade contacts
- Indicator: Front status indicator
- Mounting: NH fuse base/switch disconnector compatible
- Application: Motor protection, inverters, UPS systems, industrial power distribution, semiconductor protection circuits

