
EFEN NH Silas Horizontal Fuse-Switch
- Robust and reliable design for high-performance electrical protection
- Horizontal fuse-switch configuration for easy installation and maintenance
- Engineered for optimal safety with advanced arc-quenching technology
- Compatible with NH fuse-links for versatile application
- Durable construction ensures long-lasting operation in demanding environments

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The EFEN NH Silas Horizontal Cutouts are engineered for robust and efficient electrical distribution in low-voltage systems. Designed for mounting on panels, these horizontal fuse-switches offer a secure and reliable solution for industrial and commercial power distribution applications.
The Silas series supports 3-pole switching, providing dependable operational performance at a rated voltage of 690V AC. With current handling capacities of up to 630A, these cutouts are suitable for a wide range of applications requiring high power capacity. The devices feature multiple connection options, including screw terminals and V-clamps, ensuring flexible and easy installation.
Built with safety and durability in mind, the Silas fuse-switches incorporate integrated hand protection and meet the stringent requirements of IEC 60269 and VDE 0636 standards. The ergonomic design ensures easy operation, and the mechanical durability is rated for up to 1600 cycles, guaranteeing long-lasting reliability.
Technical Specifications:
- Type: NH Silas Horizontal Cutouts
- Mounting: Panel
- Rated Voltage: 690V AC
- Rated Current: Up to 630A
- Switching Poles: 3-pole
- Connection Type: Screw terminals (M8, M12) and V-clamps
- Standards Compliance: IEC 60269, VDE 0636
- Mechanical Durability: 1600 cycles
- Operating Temperature: -25°C to +55°C
- Protection Rating: IP3X
Product features
Nominal voltage | 690 V AC |
Standards | IEC 60947-3 |
Breaking capacity | 50 kA |
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