The Changhe CHFZD-12/CHFZD-11 marker lamp and auxiliary light manual provides specifications, wiring, and usage instructions for locomotive headlamp…
The CHFZD-12 (left side) and CHFZD-11 (right side) are high‑brightness marker lamps and auxiliary lights designed for locomotive head‑end illumination and signal indication. They feature a compact appearance, easy installation, and reliable operation for safe railway service.
The manual lists dimensions, electrical ratings, environmental limits, wiring methods, and handling precautions. It also provides contact information for the manufacturer. This manual is written in Chinese.
| Overall dimensions | 520 ± 1 × 285 mm |
|---|---|
| Lamp head diameter | Φ 178 mm |
| Auxiliary lamp rated power | 200 W |
| Marker lamp rated power | ≤ 3 W |
| Rated voltage | DC 110 V |
| Normal operating voltage range | DC 77 – 137.5 V |
| Operating temperature range | -50 °C to 45 °C |
| Maximum ambient temperature | +70 °C |
| Relative humidity (25 °C) | ≤ 95 % |
| Minimum air pressure | ≥ 70 kPa (below 3000 m altitude) |
The auxiliary lamp is rated at 200 W.
The lights operate normally between DC 77 V and DC 137.5 V.
The marker lamp uses a Wago terminal 261 with a maximum wire gauge of 2.5 mm².
It can operate from –50 °C to 45 °C, with a maximum ambient temperature of +70 °C, humidity up to 95 % at 25 °C, and air pressure not lower than 70 kPa.