Features:
● Dielectric strength 4000V
● 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
Models explanation:
NKDH......40......48.......ZD3
1 2 3 4
1.
NKDH – single-phase solid state relay (10 – 120А)
NKDM – industrial class solid state relay (100 – 500А)
NKTH – three-phase solid state relay (10 – 120А)
NKTR – 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:
| Loda voltage | Control Signal | Rated current |
| 10A | 25A | 40A |
| 480V AC | 3-32 VDC | NKDH1048ZD3 | NKDH2548ZD3 | NKDH4048ZD3 |
| 70-280V AC | NKDH1048ZA3 | NKDH2548ZA3 | NKDH4048ZA3 |
| Loda voltage | Control Signal | Rated current |
| 60A | 80A | 100A | 120A |
| 480V AC | 3-32 VDC | NKDH6048ZD3 | NKDH8048ZD3 | NKDH100ZD3 | NKDH12048ZD3 |
| 70-280V AC | NKDH6048ZA2 | NKDH8048ZA2 | NKDH10048A2 | NKDH12048ZA2 |
Technical specifications:
| Model | NKDHxxxxxZD3 | NKDHxxxxxZA2 |
| Load voltage | 24-480VAC |
| Control voltage | 3-32V DC | 70-280V AC |
| Current consumption in control circuit | 3-25mA | ≤12mA |
| Voltage ON/OFF | 3V DC / 1V DC | 70V DC / 10V DC |
| Peak voltage | 1000V AC |
| Voltage drop in load circuuit | ≤1.6V AC |
| Leakage current(off-state) | ≤10mA |
| Switching time | ≤10mS |
| LED indication | yes |
| Dielectric strength | 2500V AC (1min) |
| Insulation resistance | 500MΩ with 500V DC |
| Operating temperature | -30°c ~ +75°c |
| Relative Humidity | ≤95%(non-condensing) |
| Dimensions | 57.4x44.8x32mm |
| Mounting method | Screws on |
| Weight | ≤135g |
Outline dimensions & Wiring diagram:
