- A solid state relay(SSR), in comparison to a mechanical relay, is actually not a relay at all. There are no moving components inside to switch power to and from the load. This is managed by the SCR, triac, alternistor, or other semiconductor device in the output of the SSR. And although the primary function of switching power to and from an electrical load is the same, several significant advantages are gained by using a solid state relay(SSR) instead of EMR's.
| Dc solid state relay(SSR) Name: NDG1-U22 solid state relay |
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Ordering Information
Specification
| Name |
Solid State Relay |
| Item No |
NDG1-U/22(SSR-VA) |
| Controlling Voltage |
0-5VDC, 0-10VDC, 4-20mA Adjustable |
| Load Voltage |
220VAC |
| Load Current |
10, 20, 30, 40, 100A |
| Regulate Range |
10-250VAC |
| Instant Voltage |
22 600VAC |
| Voltage Drop in ON |
< 3VAC |
| Isolation Voltage |
Full isolation |
| Leakage Current in OFF |
≤10mA |
| Dielectric Strength |
≥2500VAC |
| Insulation Resistance |
500MΩ 500VDC |
| Ambient Temp |
-30~80 deg |
| Dimensions |
106X75X31.5 |
| Mounting Type |
Screw Fixing |
| Weight |
10A≤390g, 40A≤470g, 100A≤540g |
| Indicate Method |
LED |
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