Autonics SRH1-1420-N 24-240 V AC Solid State Relay
The SRH1-1420-N is an Autonics 24-240 V AC Solid State Relay supporting 20A load current and single-phase control applications. Manufactured by Autonics, this unit is part of the Autonics Solid State Relay range and belongs to the SRH1 Series. It operates with 4–30VDC input voltage, 48–480VAC load voltage, supports panel and DIN rail mounting, and provides 2500VAC dielectric strength for AC load switching.

| Brand | Autonics |
| Product Type | Solid State Relay |
| Model Number | SRH1-1420-N |
Autonics SRH1-1420-N 24-240 V AC Solid State Relay – Technical Specifications
| Specification | Value |
|---|---|
| Control phase | Single-phase |
| Mounting type | Panel, DIN rail |
| Rated input voltage | 4-30VDC |
| Rated load voltage | 48-480VAC~ |
| Dielectric strength | 2500VAC~ 50/60Hz 1 min (Input-Output, Input/Output-Case) |
| Rated load current | 20A |
| Function | Zero cross turn-on |
| Heatsink | Heatsink |
| Environment_Ambient temperature | -30 to 80℃, storage: -30 to 100℃(The rated load current capacity is different depending on ambient temperature. Refer to '▣ SSR Derating Curve'.) |
| Environment_Ambient humidity | 45 to 85% RH, storage: 45 to 85% RH |
| Weight | Approx. 298g(approx. 225g) |
The Autonics SRH1-1420-N 24-240 V AC Solid State Relay is designed for AC load control in industrial automation systems. This model supports 20A rated load current, operates with 48–480VAC load voltage, and uses zero-cross turn-on to minimize electrical stress. It belongs to the SRH1 Series and is structured for stable solid state relay operation in industrial automation panels.
In industrial automation environments, the SRH1-1420-N Autonics 24-240 V AC Solid State Relay is applied in conveyors, packaging machinery, automated assembly lines, and control cabinets. Panel and DIN rail mounting options support flexible installation, while solid-state switching enables consistent AC load handling. Zero-cross operation contributes to smooth switching behavior in continuous-duty automation systems.
The SRH1-1420-N Autonics 24-240 V AC Solid State Relay combines single-phase control, 20A switching capacity, and 2500VAC isolation strength for dependable industrial use. Manufactured under Autonics standards and organized within the SRH1 Series, this relay is suitable for industrial automation applications requiring reliable AC load control and long-term electrical stability.




