YFQ1 Dual Power Automatic Switching Device
According to the voltage state of the working power supply and the working mode set bythe user, the dual power switch decides whether to switch from one power supply toanother power supply.
Specification Parameter
| Model number | 100/225 | 400 | 630/800 |
| Mechanical life | 5000 | 3000 | 2500 |
| Electrical life | 1000 | 1000 | 500 |
| Rated working system | Non-stop working | ||
| Overvoltage switching setting | 200~300VAC(adjustable) | ||
| Undervoltage switching sets the regulation range | 200~300VAC(adjustable) | ||
| Contact transition time | <4s | ||
| Switching delayt1 | 0.5~30s continuous adjustable | ||
| Closing delay t2 | 0.5~30s continuous adjustable | ||
Outline And Mounting Dimensions
 Specifications | A | D | B | C | H1 | H2 | ||
| 3P | 4P | 3P | 4P | |||||
| 63 | 380 | 405 | 250 | 340 | 365 | 230 | <160 | 25 |
| 100 | 405 | 435 | 250 | 365 | 395 | 230 | <170 | 25 |
| 225 | 450 | 480 | 250 | 410 | 440 | 230 | <190 | 25 |
| 400 | 570 | 620 | 330 | 510 | 560 | 300 | <200 | 25 |
| 630 | 680 | 740 | 330 | 620 | 680 | 300 | <250 | 25 |
| 800 | 750 | 820 | 330 | 690 | 760 | 300 | <250 | 25 |
