RYS is a 2-core twisted pair flexible cable with low smoke zero halogen (LSZH) insulation, also known as fire alarm cable or LSZH RVS cable. It is designed for low-speed signal & control wiring, especially in fire safety and green building projects.
Model & Specifications
| Models |
WDZ-RYS: LSZH, flame retardant WDZN-RYS: LSZH, flame retardant + fire-resistant |
| Conductor | Stranded copper (Class 5 flexible) |
| Insulation | LSZH polyolefin (non-PVC) |
| Rated Voltage | 300/300V |
| Cross-section | 2×0.5 / 2×0.75 / 2×1.0 / 2×1.5 mm² |
| Certifications | CCC, CE, RoHS |
Advantages
LSZH Safety: Low smoke, zero toxic halogen gas in fire; safe for evacuation.
Flame Retardant: Self-extinguishing; B1-grade fire performance available.
Flexible: Easy to bend & install in tight spaces.
Stable Signal: Twisted pair reduces interference for low-speed control signals.
Durable: Resists aging, moisture & chemicals; long service life.
Applications
- Fire Systems: Fire alarm loops, smoke detectors, emergency lighting, fire linkage.
- Building Wiring: High-end residential lighting soft links, smart home sensors, access control, intercom.
- Public Spaces: Hospitals, subways, tunnels, malls (LSZH required by code).
- Low-Voltage Control: Instrumentation, industrial equipment control circuits.
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