Three phase voltage monitoring relay, function 5, contact configuration 2CO
Code:
DRF-3-7
Code:
DRF-3-7
| Width, mm | 18 |
| Height, mm | 90 |
| Depth, mm | 65 |
| Voltage measurement range, V | 208...480 |
| With detachable clamps | No |
| Phase sequence monitoring | Yes |
| Phase failure detection | Yes |
| Function under voltage detection | Yes |
| Function over voltage detection | Yes |
| Phase imbalance monitoring | Yes |
| Type of electric connection | Screw connection |
| Rated control supply voltage Us at AC 50HZ, V | 208...480 |
| Max. permitted off-delay time, s | 10 |
| Min. adjustable off-delay time, s | 0.1 |
| Voltage type for actuating | AC/DC |
| Number of contacts as normally closed contact | 2 |
| Number of contacts as normally open contact | 2 |
| Number of contacts as change-over contact | 2 |
| Max. permitted delay-on energization time, s | 10 |
| Min. adjustable delay-on energization time, s | 0.1 |
| Rated control supply voltage Us at DC, V | 208...480 |
| Product type | Phase control relay |
| Rated voltage | AC/DC 208-480 V |
| Rated current | 8 А |
| Number and type of contacts | 2СО |
| Number of phases | 3 |
| Phase alternation/asymmetry control | Yes |