PRODUCT DESCRIPTION
SIEMENS 3NC3341-6U - SITOR Fuse Link
The SIEMENS 3NC3341-6U is a SITOR fuse link designed for the high-speed protection of power semiconductors. This NH3 size fuse provides reliable overcurrent protection for sensitive electronic components in industrial power electronics, including rectifiers, inverters, UPS systems, and motor drive applications. It features a gR/aR characteristic, ensuring both full-range and partial-range protection against short circuits and overloads.
Technical Specifications:
- SERIES/FAMILY: SIEMENS SITOR
- COMPONENT TYPE: Fuse Link, Semiconductor Protection
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 400A
- NOMINAL VOLTAGE: 690V AC/DC
- BREAKING CAPACITY: 100kA
- OPERATING FREQUENCY: 45-62 Hz (for AC applications)
- CHARACTERISTIC: gR/aR (Full-range/Partial-range semiconductor protection)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: NH3 (Knife-blade contact fuse)
- SIZE: Size 3
- INTERFACE/CONTROL:
- INDICATOR: Dual indicator (front and top) for blown fuse status
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: Designed for installation in fuse bases or fuse switch disconnectors
- AMBIENT TEMPERATURE: -20 to +50 degrees C
- PROTECTION CLASS: IP20 (when installed in appropriate holder)
- COMPATIBILITY/APPLICATION:
- APPLICATION: Protection of power semiconductors (e.g., thyristors, diodes, IGBTs) in rectifiers, inverters, UPS systems, soft starters, DC link circuits, and motor drives.