ОПИСАНИЕ ПРОДУКТА
SIEMENS 3NE8721-1 - SITOR Cylindrical Fuse Link
This component is a SIEMENS SITOR cylindrical fuse link, specifically engineered for the rapid and reliable protection of power semiconductor devices. It features an aR characteristic, providing fast-acting overcurrent protection for critical industrial applications such as rectifiers, inverters, UPS systems, and soft starters, thereby safeguarding sensitive electronic components from short-circuit currents. Its design ensures high breaking capacity within industrial power distribution and control circuits.
Technical Specifications:
- SERIES/FAMILY: SIEMENS SITOR Fuse Links
- COMPONENT TYPE: Cylindrical Fuse Link
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 690VAC
- NOMINAL CURRENT: 200A
- CHARACTERISTIC: aR (Fast-acting for semiconductor protection)
- BREAKING CAPACITY: High Breaking Capacity (HBC)
- FREQUENCY: 50/60Hz
- MECHANICAL/PHYSICAL:
- SIZE: NH000
- FORM FACTOR: Cylindrical body with blade contacts
- INTERFACE/CONTROL:
- FUNCTION: Overcurrent protection for power semiconductors
- FEEDBACK: Not applicable (passive protective device)
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Designed for installation in NH fuse bases, size 000
- COOLING METHOD: Air cooled (passive dissipation)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Protection of power semiconductors in rectifiers, inverters, UPS systems, soft starters, and variable frequency drives.
- COMPATIBLE BASES: NH fuse bases, size 000.