In sourcing discussions, SRH3-4450 is often placed next to Autonics Proximity Sensor, Autonics Digital Counter and Autonics Srh3 1440 so procurement teams can align budgets and technical requirements effectively.
Autonics SRH3-4450 Solid State Relay
The Autonics SRH3-4450 Solid State Relay offers 3-phase control, Panel, DIN rail Mounting type, 90-240VAC~ input voltage, 48-480VAC~ load voltage. Manufactured by Autonics under the Autonics Solid State Relay category, this model belongs to the Autonics SR Series.

| Brand | Autonics |
| Product Type | Solid State Relay |
| Model Number | SRH3-4450 |
Autonics SRH3-4450 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 | 4,000VAC~ |
| Rated load current | 50A |
| 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. 1508g(approx. 1268g) |
Mail Us for your needs in Autonics 3-Phase SSR Integrated Heatsink Type SRH3-4450 with budget-friendly prices. The Main Technical Parameters of SRH3-4450 include 3-phase Control Relay with superior performance and durability. Designed for Panel, DIN rail mounting, this relay ensures easy installation in various industrial applications. It operates on a rated input voltage of 90-240VAC~, providing reliable control for automation systems. The rated load voltage of 48-480VAC~ makes it suitable for diverse electrical loads. Featuring a dielectric strength of 4,000VAC~, it guarantees high insulation performance, ensuring operational safety. The rated load current of 50A supports heavy-duty applications, offering efficient power handling. Equipped with a Zero cross turn-on function, it enhances switching stability, reducing electrical noise and extending the relay’s lifespan. Built for rugged environments, it operates reliably in ambient humidity levels of 45 to 85% RH, storage: 45 to 85% RH, ensuring consistent performance. With a weight of approximately approx. 1508g(approx. 1268g), it is compact yet robust. Customize Your Experience with a Quote for your requirement of 3-Phase SSR Integrated Heatsink Type. Experience the difference with our competitive pricing and superior support over other Suppliers.







