Autonics SRH3-1475 75 A Solid State Relay
The SRH3-1475 is an Autonics 75 A Solid State Relay supporting 75A load current and three-phase control applications industrial. Manufactured by Autonics, this relay is part of the Autonics Solid State Relay range and belongs to the SR Series. It operates with 4–30VDC input voltage, 48–480VAC load voltage, features zero cross turn-on, and provides 4000VAC dielectric strength.

| Brand | Autonics |
| Product Type | Solid State Relay |
| Model Number | SRH3-1475 |
Autonics SRH3-1475 75 A Solid State Relay – Technical Specifications
| Specification | Value |
|---|---|
| Control phase | 3-phase |
| Heatsink | Heatsink |
| Mounting type | Panel, DIN rail |
| Rated input voltage | 4-30VDC |
| Rated load voltage | 48-480VAC~ |
| Dielectric strength | 4,000VAC~ |
| Rated load current | 75A |
| 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. 2354g(approx. 2064g) |
The Autonics SRH3-1475 75 A Solid State Relay is designed for high-current AC load control in industrial automation systems. This model supports 75A rated load current, operates across 48–480VAC load voltage, and uses three-phase control for balanced power switching. It belongs to the SR Series and is applied where stable solid state relay performance is required.
In industrial automation environments, the SRH3-1475 Autonics 75 A Solid State Relay is used in conveyors, packaging systems, automated assembly lines, and heavy-duty process equipment. Panel and DIN rail mounting allow secure installation in control cabinets, while solid-state switching enables consistent three-phase AC load handling. Zero-cross turn-on helps reduce electrical stress during switching operations.
The SRH3-1475 Autonics 75 A Solid State Relay combines three-phase operation, 75A switching capacity, and 4000VAC 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 high-current AC load control and long-term electrical stability.




