| Parameter | Value |
|---|---|
| Model | SSR-40 DD |
| Control Mode | DC-DC |
| Input Voltage | 3–32V DC |
| Output Voltage | 5–200V DC |
| Output Current | 40A |
| On Voltage | ≤ 1V |
| One-off Time | ≤ 10ms |
| Off Leakage Current | ≤ 2mA |
| Operating Temperature | -30°C to +75°C |
| Dimensions | 60 × 43 × 23 mm |
| Weight | 10g |
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| Industrial Automation |
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|---|---|
| Power Electronics & Energy Systems |
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| Robotics & Mechatronics |
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| Automotive & EV Systems |
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| Renewable Energy & Power Control |
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The wholesale price of the SSR-40DD DC 3-32V to 5-200V solid state relay depends on the order quantity, but bulk buyers can get up to 30% off compared to retail rates. Larger quantities always get better pricing because packaging, shipping, and handling costs reduce per unit. If you're planning a bulk project or stocking up for resale, the wholesale option gives you the best overall value.
The minimum order quantity (MOQ) for bulk relay module is 100 units. This MOQ helps us provide stable pricing, ensure quality testing for every batch, and offer faster dispatch times. If you need more than 100 units, we can also prepare custom pricing and lead times depending on your project requirements.
Yes, GST invoices are provided for all orders. Whether you're a retailer, institute, startup, or company, you will receive a proper GST bill that you can use for input tax credit and accounting purposes. Just provide your GST details during checkout or share them with the sales team.
Yes, SSR-40DD solid-state relays can be used with Arduino and Raspberry Pi, but with a few important considerations. Since the input trigger voltage range of the SSR-40DD is 3–32V DC, it is fully compatible with both 5V logic (Arduino) and 3.3V logic (Raspberry Pi). This means you can directly drive the SSR using a digital GPIO pin without requiring an external transistor circuit, making it simple to integrate into automation, switching, and high-power DC control setups.
However, it is important to note that SSR-40DD is designed for DC-to-DC switching only, with an output range of 5–200V DC at up to 40A. It should not be used with AC loads. Additionally, ensure that the load current and heat dissipation are properly managed—SSR modules generate heat under high current and may require a heatsink. When used correctly, SSR-40DD provides smooth, fast, noise-free switching for microcontroller-based industrial projects and embedded automation systems.
We offer warranty only on branded products, and the coverage is based on the manufacturer’s policy. Generic modules do not usually come with warranty, but branded relays are covered as per their official guidelines. If you're ordering large quantities and want warranty-backed modules, just let us know and we will recommend the best options.
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