Overview
The Siemens 3NA6 822 is a low-voltage HRC (high rupture capacity) fuse element designed for overcurrent and short-circuit protection in industrial control and power distribution systems. Each unit is rated 63A at 500VAC and 250VDC, offering the gG operating class for general-purpose line and cable protection. This box of 3 provides convenient stocking for maintenance and replacement needs on automation equipment.
Key Features
- 63A current rating with 500VAC / 250VDC voltage class
- gG operating class for general line and cable protection
- NH000 size fuse with fast-acting characteristics
- High short-circuit strength for industrial applications
- Insulated grip tabs for safe handling
- Supplied as box of 3 units, new in box condition
Technical Specifications
- Current Rating: 63A
- Voltage Rating AC: 500VAC
- Voltage Rating DC: 250VDC
- Operating Class: gG
- Fuse Size: NH000
- Series: 3NA6 (SENTRON)
- Type: LV HRC Fuse Element
- Standards Compliance: IEC EN 60269, DIN VDE 0636
- Packaging: Box of 3 units
- Condition: New in Box
Typical Applications
The Siemens 3NA6 822 fuse is ideal for:
- Industrial automation control cabinets and panels
- Selective line and circuit protection in manufacturing systems
- Motor control centers and power distribution
- Building infrastructure and facility automation
- Maintenance stock for 63A protection replacement needs
Compatibility & Replacements
Compatible With
- Siemens SENTRON distribution systems and fuse bases
- Standard NH000 fuse holders and switchboards
- Industrial control circuits rated 500VAC
- Power supply and motor protection circuits
Replaces / Drop-In Replacement For
The 3NA6 822 is interchangeable with other 63A gG-class NH000 fuses from the Siemens 3NA6 series. Similar-rated alternatives include the 3NA3 822 and 3NA7 822 (both 63A, gG-class, NH000 size). Always verify part-number compatibility and mechanical fit before substitution. Verify compatibility with your system integrator before ordering if uncertain.
Works With
- All standard IEC 60269 NH000 fuse base equipment
- DIN-rail mounted distribution systems
- Manual and automated switchgear
- Industrial control software and SCADA monitoring systems




