Autonics SRH3-4430 Zero Cross Solid State Relay
The SRH3-4430 is an Autonics zero cross solid state relay supporting 30A load current and three-phase control industrial applications. Manufactured by Autonics, this relay is part of the Autonics Solid State Relay range and belongs to the SR Series. It operates with 90–240VAC input voltage, 48–480VAC load voltage, features zero cross turn-on, and provides 2500VAC dielectric strength.
| Brand | Autonics |
| Product Type | Solid State Relay |
| Model Number | SRH3-4430 |
Autonics SRH3-4430 Zero Cross Solid State Relay – Technical Specifications
| Specification | Value |
|---|---|
| Control phase | 3-phase |
| Heatsink | Heatsink |
| Mounting type | Panel, DIN rail |
| Rated input voltage | 90-240VAC~ |
| Rated load voltage | 48-480VAC~ |
| Dielectric strength | 2,500VAC~ |
| Rated load current | 30A |
| Function | Zero cross turn-on |
| Environment_Ambient temperature | -30 to 80℃(in case of the rated input voltage 90-240VAC~: -30 to 70℃), 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. 896g(approx. 686g) |
The Autonics SRH3-4430 Zero Cross Solid State Relay is designed for controlled three-phase AC load switching in industrial automation systems. This model supports 30A rated load current, operates across 48–480VAC load voltage, and uses three-phase control to maintain stable switching performance. It belongs to the SR Series and is used where synchronized AC switching is required.
In industrial automation environments, the SRH3-4430 Autonics Zero Cross Solid State Relay is applied in conveyors, packaging systems, automated assembly lines, and process control equipment. Panel and DIN rail mounting options support flexible installation, while solid-state switching enables consistent three-phase load handling. Zero-cross turn-on helps reduce electrical noise and stress during frequent switching operations.
The SRH3-4430 Autonics Zero Cross Solid State Relay combines three-phase operation, 30A switching capacity, and 2500VAC isolation strength for dependable industrial use. Manufactured under Autonics standards and structured within the SR Series, this relay is suitable for industrial automation systems requiring reliable zero-cross AC load control and long-term electrical stability.
