Photoelectric Smoke Detector with Duo-LEDs
Model ：MPF-33 / MPF-33T
🧩 Product Overview
The MPF-33/MPF-33T is a high-performance photoelectric smoke detector equipped with dual-color LEDs for 360° visibility.
It offers fast, accurate, and reliable smoke detection, suitable for residential, commercial, and industrial use.
⚙️ Key Features & Advantages
- 🔵 360° Duo-LED Indicator
Bi-color LEDs provide clear visibility from any angle.- Stand-by：Green
- Alarm：Red
- 💨 Photoelectric Sensing Technology
- Fast and accurate smoke detection
- Prevents false alarms caused by chemicals, exhaust gas, wind, or external light
- ⚡ EMC Certified
Passed EMC test to reduce false alarms from nearby electrical interference.
- 🎨 Modern & Seamless Design
Smooth and elegant appearance suitable for any environment.
| Model | Wiring | Output | Typical Application |
| MPF-33 | 2-wire type | Connects directly to control panel | Standard system installations |
| MPF-33T | 4-wire type | Includes relay output (1A @ 30V DC) | Systems requiring individual relay control |
💡 The main difference lies in the wiring configuration — MPF-33 uses a two-wire connection, while MPF-33T uses a four-wire connection with relay output.
Specifications
| Item | Description |
| Dimensions | Ø102 mm × 46 mm (Body + Base) |
| Effective Alert Area | Under 4 m height：150 m²4–8 m height：75 m² |
| Relay Output (MPF-33T) | 1A @ 30V DC |
| Power Source | DC24V (Typical) |
| Installation Height | 4–8 m |
