Autonics SR3-2475 Solid State Relay 24VAC Input
SR3-2475 is an Autonics solid state relay with 24VAC input enabling three-phase switching at 75A for industrial automation applications. Manufactured by Autonics, this Autonics Solid State Relay switches 48–480VAC load voltage using 24VAC rated input voltage. Part of the SR Series, it provides three-phase control, 75A rated load current, zero cross turn-on function, panel mounting, and 4000VAC dielectric strength.

| Brand | Autonics |
| Product Type | Solid State Relay |
| Model Number | SR3-2475 |
Autonics SR3-2475 Solid State Relay 24VAC Input – Technical Specifications
| Specification | Value |
|---|---|
| Control phase | 3-phase |
| Mounting type | Panel |
| Rated input voltage | 24VAC~ |
| 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. 365g(approx. 275g) |
The Autonics SR3-2475 Solid State Relay 24VAC Input is designed for high-current AC load control in industrial automation systems. This SR3-2475 Autonics Solid State Relay 24VAC Input supports 24VAC input voltage, manages 48–480VAC load voltage, and handles 75A load current under three-phase operation. As part of the SR Series, it is applied in industrial automation panels requiring stable multi-phase switching.
In industrial applications, the SR3-2475 Autonics Solid State Relay 24VAC Input is used in conveyors, packaging machinery, automated assembly lines, and process automation equipment. Zero cross turn-on operation helps reduce electrical stress during switching, while panel mounting ensures secure mechanical installation. These characteristics support consistent output performance in continuous industrial environments.
The SR3-2475 from Autonics offers clearly defined electrical specifications suited for demanding industrial automation use. With controlled three-phase switching, verified insulation strength, and standardized panel mounting, this solid state relay integrates reliably into control system designs. The SR Series structure and Autonics manufacturing consistency support dependable selection for engineers specifying 24VAC input solid state relays.




