Description
DDK SAN3-24 – Rugged Control Module for Critical Industrial Applications
Designed for demanding environments, the DDK SAN3-24 is a modular control solution that delivers reliable performance in industrial automation systems. This DIN-rail mounted module combines precision engineering with field-proven durability, making it suitable for process control, machine automation, and distributed I/O systems where consistent operation matters most.
| Specification | Details |
|---|---|
| Manufacturer | DDK |
| Model | SAN3-24 |
| Power Supply | 24V DC ±15% |
| I/O Channels | 4 Digital Inputs / 4 Relay Outputs |
| Communication | Modbus RTU via RS-485 |
| Protection Class | IP67 Front Panel |
| Dimensions | 150×100×30mm (5.9×3.9×1.2″) |
| Weight | 500g (1.1lbs) |
We’ve seen this module excel in environments ranging from chemical processing plants to automated packaging lines. Its sealed front panel handles dust and moisture common in food processing facilities, while the wide operating temperature range (-20°C to +70°C) makes it suitable for outdoor installations.
Typical applications include:
- Pump control systems
- Conveyor belt automation
- Water/wastewater treatment plants
- Heating system monitoring


One customer in the automotive manufacturing sector recently shared: “After switching to DDK modules for our paint line controls, we’ve had zero failures in 18 months. The built-in isolation between channels really helps with electrical noise issues common in our environment.”
At Guizhou Yuanmiao Automation Equipment Co., Ltd., we maintain active partnerships with DDK and other major automation brands. Our inventory includes:
- Over 200 new-in-box units ready for immediate shipment
- Factory-certified refurbished modules with warranty
- Discontinued models from legacy systems
Need a quote? Contact me directly via WhatsApp at +86 153-3953-7795 or email 2645963284@qq.com. All purchases include 12-month warranty and technical support from our engineering team. For urgent replacements, we can often arrange same-day shipping from our warehouse in Guiyang.









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