SSR-40DA Solid State Relay 40A with 3-32 VDC Control Input
Prices updated: 12 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Makers ElectronicsCheapest | Solid State Relay SSR-40 DA 3V~32V DC to AC 24V~380V | 195 EGP | View in store |
 Microohm | DC To AC SSR-40DA Solid State Relay Module 3-32VDC/24-380VAC 40A | 195 EGP270 | View in store |
 Future Electronics | SSR-40DA Solid State Relay 40A (4-32 VDC Input) | 220 EGP | View in store |
Price history
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Lowest price recorded: 195 EGP
About this product
The SSR-40DA is a single-phase solid state relay that switches AC loads up to 40 A, from 24 to 380 VAC, using a DC control input. Its built-in opto-coupler lets a microcontroller such as Arduino drive it directly, without an extra driver circuit. It has a plastic protective cover and screw terminals, and is used in industrial automation equipment.
Specifications
- Load current
- 40 A
- Load voltage
- 24 to 380 VAC
- Control input
- 3 to 32 VDC
- Phase
- Single-phase
- Isolation
- Built-in opto-coupler
- Terminals
- Screw terminals
Frequently asked questions
What is the price of SSR-40DA Solid State Relay 40A with 3-32 VDC Control Input in Egypt?
SSR-40DA Solid State Relay 40A with 3-32 VDC Control Input currently costs between 195 and 220 EGP across 3 offers in Egypt.
Where can I buy SSR-40DA Solid State Relay 40A with 3-32 VDC Control Input in Egypt?
SSR-40DA Solid State Relay 40A with 3-32 VDC Control Input is available from Makers Electronics, Microohm, and Future Electronics. Compare the offers above to find the best price.
Can I drive the SSR-40DA directly from an Arduino?
The listing says the built-in opto-coupler allows direct drive from an Arduino. Connect the DC+ input to 5 V and the DC- input to a digital output pin. The relay switches on when that pin is driven LOW, so confirm the polarity and input circuit on your specific module.
Does the SSR-40DA need a heatsink?
Solid state relays produce heat under load, so a heatsink is recommended, especially when the current is close to the rated 40 A. Working with mains voltage is dangerous, so use proper enclosure and insulation.
