● Long service life
● Control voltage 10-30V DC
● Switching on the 3rd phase
● There isn’t contact bounce and sparks during switching
● High insulation resistance between the control circuit and switched
● Built-in RC-circuit protection and simultaneous switching
● LED indication of the direction of rotation
1. SY – design code
SYDH – single-phase solid state relay (10 – 120А)
SYDM – industrial class solid state relay (100 – 500А)
SYTH – three-phase solid state relay (10 – 120А)
SYTR – motor reversing solid state relay (10 – 40А)
2. 40 – load current 40А (10 – 500А)
3. 48 – load voltage 24-480V AC, 38 – 24-380V AC, 23 – 5-220V DC
4. ZD3 – control signal type(swithing mode)
VA – variable resistor 220-560кОм/2Вт (phase control)
LA – analog signal 4-20мА (phase control)
VD – analog signal 0-10V DC (phase control)
ZD – control voltage 10-30V DC (switching at zero crossing)
ZD3 – control voltage 3-32V DC (switching at zero crossing)
ZA2 – control voltagte 70-280V AC (switching at zero crossing)
DD3 – control voltage 3-32V DC (DC voltage switching)
| Load voltage | Control voltage | Rated current | ||||
| 10A | 25A | 40A | 60A | 80A | ||
| 480V AC | 10-30V DC | SYTR1048ZD | SYTR2548ZD | SYTR4048ZD | SYTR6048ZD | SYTR8048ZD |
| Items | SYTRxxxxxZD | |
| Load voltage | 48-480V AC 47-63Hz | |
| Peak voltage | 1000V AC | |
| Peak current | 10А:100А, 25А:250А, 40А:400А within 10ms | |
| Voltage drop | ≤1.6V AC | |
| Leakage current(off-state) | ≤10mА | |
| Switching time | ½ cycle | |
| Control voltage | 10-30V DC | |
| Switching ON voltage | >10V DC | |
| Switching OFF voltage | < 8.5V DC | |
| Current consumption in control circuit | ≤30mA | |
| LED status indication | green -forward rotation red – reverse rotation |
|
| Dielectric strength | 2500V AC (1min) | |
| Insulation resistance | 500МОм with 500V DC | |
| Operating temperature | -30…+75°C | |
| Relative humidity | ≤80% (non-condensing) | |
| Dimensions | 105х74х33mm | |
| Mounting method | Screws on | |
| Weight | ≤450g | |
