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| Customization: | Available |
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| Theory: | Solid State Relay |
| Usage: | Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay |
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* Photo isolation
* Zero cross or random turn-on
* Removable finger proof cover available
* Double SCR AC output
* Panel mount
* DC or AC control
* Built-in RC
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)
DD - control voltage 3-32V DC (DC voltage switching)
| Load voltage | Control voltage | Rated current | ||
| 10A | 25A | 40A | ||
| 480 VAC | 3-32 VDC | SYDH1048ZD3 | SYDH2548ZD3 | SYDH4048ZD3 |
| 70-280V AC | SYDH1048ZA2 | SYDH2548ZA2 | SYDH4048ZA2 | |
| Load voltage | Control voltage | Rated current | |||
| 60A | 85A | 100A | 120A | ||
| 480 VAC | 3-32 VDC | SYDH6048ZD3 | SYDH8048ZD3 | SYDH10048ZD3 | SYDH12048ZD3 |
| 70-280V AC | SYDH6048ZA2 | SYDH8048ZA2 | SYDH10048ZA2 | SYDH12048ZA2 | |
| Items | SYDHxxxxxZD3 | SYDHxxxxxZA2 |
| Load voltage | 24-480V AC | |
| Control voltage | 3-32V DC | 70-280V AC |
| Current consumption in control circuit | 3-25mA | ≤12mA |
| Voltage ON/OFF | 3V DC/1V DC | 70V AC/10V AC |
| Peak voltage | 1000V AC | |
| Voltage drop in load circuit | ≤1.6V AC | |
| Leakage current(off-state) | ≤10мА | |
| Switching time | ≤10мs | |
| LED indication | yes | |
| Dielectric strength | 2500V AC (1min) | |
| Insulation resistance | 500МОм with 500V DC | |
| Operating temperature | -30…+75°C | |
| Relative humidity | ≤95%; (non-condensing) | |
| Dimensions | 57.4х44.8х32mm | |
| Mounting method | Screws on | |
| Weight | ≤135g | |

