RE49 Solid State Relay SSR-25DD 25A DC Control
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Prices updated: 12 Oct 2026
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About this product
A 25A solid-state relay (SSR) that switches a DC load using a low-voltage DC control signal. With no moving contacts, it suits frequent switching of heaters, lamps and DC loads driven by microcontrollers. Check the load voltage range before wiring.
Specifications
- Load current
- 25A
- Control input voltage
- 3–32 VDC
- Output (load) voltage
- 5–200 VDC
- Type
- Solid-state relay, DC control / DC load
Frequently asked questions
Can I control it directly from an Arduino pin?
The control input accepts 3–32 VDC, so a 5 V logic output from an Arduino falls within the stated range. Connect the control terminals as labelled on the module and keep the grounds consistent with the datasheet.
Can it switch AC loads?
No. This model has a DC output range of 5–200 VDC. For AC loads, use an AC-controlled model such as the SSR-25AA.
