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YBV-R4
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1 . Designation
4-terminal base with short-circuit isolator for Hochiki detector – model YBV-R4
2 . General Description
The YBV-R4 is a conventional or addressable mounting base designed to accommodate Hochiki fire detectors.
It integrates a short-circuit isolator (SCI) that protects the detection loop in the event of a short circuit, ensuring line continuity and overall system safety.
The base provides both mechanical fixing of the detector and a reliable electrical connection.
3 . Key Features
- Type: Base with short-circuit isolator (SCI)
- Number of terminals: 4 connection terminals
- Compatibility: Hochiki detectors (conventional or addressable, depending on version)
- Wiring: Screw terminals for cables (1 to 2.5 mm²)
- Material: Aluminium or durable ABS (depending on version)
- Profile: Compact and discreet
- Earth terminal: Yes (depending on configuration)
4 . Technical Specifications
- Diameter: ≈ 100 mm
- Height: ≈ 8–10 mm
- Fixing centers: Standard (≈ 48 to 74 mm)
- Color: Ivory / white (depending on version)
- SCI function: Automatic isolation in case of a short circuit on the loop
5 . Specific Features
- Integrates a short-circuit isolator to secure the detection line
- Simple and quick installation
- Compatible with most Hochiki systems
- Not suitable for ATEX hazardous areas (verify according to version)
6 . Applications
- Commercial buildings
- Offices and retail spaces
- Hotels and hospitals
- Industrial installations requiring short-circuit protection
7 . Advantages
- Enhanced safety thanks to the short-circuit isolator
- High reliability
- Easy and quick installation
- Good compatibility with Hochiki detectors
YBV-R4
Attachments
TECHNICAL SHEET
