Single phase DC to DC SSR solid state relay
Features:
● DC control voltage 3~32Vdc
● MOSFET output
● Photo isolation
● Dielectric strength 2500V
● Long service life
● Panel mount
● There isn’t contact bounce and sparks during switching
● Low power consumption
Models explanation:
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)
Types:
| Load voltage | Control voltage | Rated current | |||
| 10A | 25A | 40A | 60A | ||
| 220VDC | 3-32 VDC | SYDH1023DD3 | SYDH2548DD3 | SYDH4048DD3 | SYDH6048DD3 |
| Load voltage | Control voltage | Rated current | |||
| 80A | 100A | 120A | 200A | ||
| 220VDC | 3-32 VDC | SYDH8023DD3 | SYDH10048DD3 | SYDH12048DD3 | SYDH20048DD3 |
Technical specifications:
| Items | SYDHхххххDD3 |
| Load voltage | 5-220V DC |
| Control voltage | 3-32V DC |
| Current consumption in control circuit | 5-25mA |
| Voltage ON/OFF | 3V DC/1V DC |
| Peak voltage | 400V DC |
| Voltage drop in load circuit | ≤1,5V DC |
| Leakage current(off-state) | ≤5мА |
| Switching time | ≤10мs |
| LED indication | yes |
| Dielectric strength | 2000V AC (1min) |
| Insulation resistance | 500МОм with 500V DC |
| Operating temperature | -30…+75°C |
| Relative humidity | ≤95%; (non-condensing) |
| Dimensions | 57.4х44.8х32мм |
| Mounting method | Screws on |
| Weight | ≤135g |
Outline dimensions & Wiring diagram:
