The KXB127 mining explosion‑proof and intrinsically safe acoustic‑optical alarm manual provides specifications, installation wiring, operation instructions…
The KXB127 is a mining‑grade alarm designed for use in underground coal‑mine environments where explosive gases may be present. It combines visual LED alerts, audible voice warnings, and optional MP3 playback, and can be configured with custom voice messages and dual‑relay outputs.
The manual covers the product’s technical specifications, environmental limits, wiring diagrams, installation steps, safety precautions, fault analysis, transport and storage requirements, and a detailed parts list. It also explains how to set voice messages using the dip‑switch and how to adjust alarm timing. This manual is written in Chinese.
| Working voltage | AC127V |
|---|---|
| Input apparent power | ≤35VA |
| Sound level | ≥85dB(A) |
| LED visibility distance (dark) | 20 m |
| Dimensions (L×W×H) | 780 mm × 200 mm × 199 mm |
| Weight | ≈13 kg |
| Maximum relative humidity | 95 % at 25 °C |
| Vibration resistance | 50 m/s² |
| Shock resistance | 500 m/s² peak |