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Upgrade your electrical control systems with the SSR-40DA Solid State Relay, a high-performance switching solution designed for reliable, silent, and long-lasting operation. Built for industrial and DIY applications, this relay allows you to safely control high-power AC loads using low-voltage DC signals, making it ideal for automation, temperature control, and smart systems.
Unlike traditional mechanical relays, the SSR-40DA uses advanced semiconductor technologyeliminating moving parts, reducing wear, and ensuring faster switching with improved durability. This makes it perfect for continuous operation in demanding environments such as heating systems, ovens, industrial machinery, and lighting control.
With a 40A load capacity and wide voltage compatibility, this solid state relay delivers stable performance for both commercial and industrial applications. Its zero-crossing trigger technology minimizes electrical noise and protects connected equipment from voltage spikes.
| Parameter | Value |
|---|---|
| Model | SSR-40DA |
| Load Current | 40A |
| Input Voltage | 332V DC |
| Output Voltage | 24380V AC |
| Control Type | DC to AC (DA) |
| Trigger Method | Zero-cross |
| Response Time | 10ms |
| Isolation Voltage | Up to 4kV |
| Operating Temperature | -40°C to +80°C |
| Mounting | Panel mount |
Specifications may vary slightly depending on batch/manufacturer.
The SSR-40DA is widely used in:
Its ability to handle high loads with precision and reliability makes it a must-have component for both professionals and DIY enthusiasts.
For optimal performance and safety, it is recommended to use a heat sink when operating near maximum load to prevent overheating and extend product lifespan. Click here to see the complete set with heatsink and temperature controller.