Many engineers reviewing Autonics SRH3-1440 also explore Autonics Proximity Sensor, Autonics Digital Counter and Autonics Srh3 1450, ensuring they donβt miss strong alternatives before finalizing procurement decisions.
Autonics SRH3-1440 Solid State Relay
The Autonics SRH3-1440 Solid State Relay offers 3-phase control, Panel, DIN rail Mounting type, 4-30VDC 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 | SRH3-1440 |
Autonics SRH3-1440 Solid State Relay β 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 | 40A |
| Function | Zero cross turn-on |
| Environment_Ambient temperature | -30 to 80β(in case of the rated input voltage 90-240VAC~: -30 to 70β), Storage: -30 to 100β( The rated load current capacity is different depending on ambient temperature. Refer to 'β£ SSR Derating Curve'.) |
| Environment_Ambient humidity | 45 to 85% RH, storage: 45 to 85% RH |
| Weight | approx. 896g(approx. 686g) |
The Autonics SRH3-1440 Solid State Relay is a 3-Phase SSR Integrated Heatsink Type designed for reliable switching in industrial environments. With a rated input voltage of 4β30VDC and a load capacity of 48β480VAC, it supports high-power systems efficiently. Its 40A rated load current, dielectric strength of 4,000VAC, and zero-cross turn-on function ensure safe, noise-free performance. Compact yet durable, the relay operates across -30β to +80β, making it suitable for diverse automation applications.
In application, the SRH3 1440 is widely used for switching heaters, controlling motors, and managing power distribution in automation systems. Maintenance teams prefer this relay because its contactless design minimizes wear, while plant managers value its reliability in reducing equipment downtime. Its stability and ease of integration make it suitable for manufacturing plants, packaging industries, and heavy machinery operations. For practical requirements where precision, safety, and efficiency are critical, the SRH3-1440 offers dependable control.
For engineers researching specific configurations, the Autonics SRH3-1440 is also considered when selecting a normally closed solid state relay or evaluating performance of a solid state relay normally closed in power systems. This optimization ensures buyers find the right model quickly and helps in improving technical decisions for automation. With the right balance of reliability, efficiency, and safety, the SRH3-1440 remains a trusted option among modern automation relays. The Autonics Solid State Relay range, especially the SRH3, continues to deliver high-value solutions for industrial buyers looking for stable and efficient control.
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