Reliance Electric S-D4012 Industrial Control Module – Precision Automation Engineered for Durability
Technical Specifications
| Brand | Reliance Electric |
| Model | S-D4012 |
| Power Input | 100-240V AC |
| Operating Temp | -40°C to +85°C |
| Protocols | Modbus RTU/TCP, Profibus DP |
| Outputs | 8 digital channels |

What sets this module apart is its IP65-rated enclosure – we’ve personally seen these units withstand dust-heavy environments in cement plants without any performance degradation. The compact 120x90x50mm footprint (1.5kg) allows easy integration into tight control cabinets, while the dual-protocol support simplifies communication with legacy and modern PLC systems. A textile manufacturing client recently praised its ability to maintain stable connections during power grid fluctuations common in their region.
Our inventory includes related Reliance components like the WR-D4007 interface board and 0-57406-E power supply module, which often work alongside S-D4012 units in complete automation setups. For harsher environments, we recommend pairing with our industrial-grade cable assemblies rated for continuous flexing.

Why Choose Our Industrial Control Solutions?
- Global Availability: 16 regional warehouses ensure 48-hour delivery to major industrial hubs
- Technical Expertise: Our engineers have over 15 years combined experience with Reliance systems
- Warranty: 1-year extended guarantee (terms apply) – longer than industry standard
- Competitive Pricing: 15-25% below OEM list prices for equivalent performance
For current pricing and availability, contact Linda directly via WhatsApp or email at abbdcs36@gmail.com. We provide detailed technical datasheets and compatibility assessments upon request – no generic quotes here, just tailored solutions based on your specific control system requirements.
“A client in Singapore recently needed urgent replacement modules for their packaging line. We shipped from our Shenzhen warehouse via DHL – parts arrived within 36 hours and their production resumed without any configuration issues.” – Linda, Technical Sales














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