| Switch Style | Through-beam |
|---|---|
| Suitable For | Smoke alarms |
| Current Type | DC |
| Features | Effective Object Detection |
| Finish | Black |
| Maximum Amperage | 70mA |
| Current Rating | Transmit (20mA) |
| Material | Plastic |
| Operation Method | Light Interruption (Infrared) |
| Type | Photoelectric Switch |
| Coil Voltage | DC 5V |
| Model | QT30CM |
| Application | Security systems |
| Brand | Unbranded |
Check the listing for details. 4 PFor air QT30CM InfrFor ared Photoelectric Switch Sensor for Indoor Security. Condition: New. Listed at 16.39 USD. 4 pair Through-beam Photoelectric Switch. Wiring: red wire to positive pole, black wire to ground, yellow (white) wire to signal. Output Current: 70mA (Can directly drive a relay). Sensing Distance: for 2-30cm.