TE Connectivity EM8 DDA 1SNA020274R0500 is an industrial diode board designed for signal isolation, decoupling and interfacing in electrical control panels and automation systems.
£94.12
The TE Connectivity EM8 DDA, manufacturer part number 1SNA020274R0500, is an industrial diode board designed for signal conditioning, isolation and interfacing within electrical control and automation systems. Part of the established Entrelec interface and electronic module range, it integrates multiple diode functions onto a single assembly to simplify control panel wiring and reduce the need for individually installed discrete components.
The EM8 DDA provides a practical solution where several control signals require diode isolation, signal decoupling or directional current control. Its integrated diode arrangement can help prevent unwanted feedback between connected circuits while allowing signals to be combined or distributed according to the control system design.
Designed for use in industrial electrical panels and automation systems, the EM8 DDA offers a modular approach to diode-based signal interfacing. The integrated board construction helps panel builders achieve organised wiring, straightforward installation and dependable operation in machinery, PLC and process control applications.
Diodes are commonly used in industrial control circuits to direct current flow, isolate signals and prevent electrical feedback between interconnected circuits. A dedicated diode board consolidates these functions into a convenient assembly, helping reduce wiring complexity and providing a more organised alternative to installing individual diodes throughout an electrical panel.
The EM8 DDA is designed for these industrial signal-interfacing requirements, providing an integrated solution for panel builders, maintenance engineers and automation specialists. It is particularly useful where multiple control signals require diode functions within PLC interfaces, machinery controls, indication systems or other industrial automation circuits.
| Manufacturer | TE Connectivity / Entrelec |
|---|---|
| Model | EM8 DDA |
| Manufacturer part number | 1SNA020274R0500 |
| Alternative product SKU | EM8 DDA DIODE BOARD |
| Product type | Industrial diode board |
| Function | Diode-based signal interfacing and decoupling |
| Application | Electrical panels and industrial automation systems |
| Pack quantity | 1 |
| EAN / barcode | 3472590202749 |
The EM8 DDA is an industrial diode board used for diode-based signal interfacing, isolation and decoupling within electrical control panels and automation systems.
The manufacturer part number for the TE Connectivity / Entrelec EM8 DDA diode board is 1SNA020274R0500.
A diode board integrates multiple diode functions into one assembly, helping reduce individual component wiring, simplify panel construction and provide a more organised and serviceable solution for industrial control circuits.
Yes. The EM8 DDA is suitable for industrial automation and PLC signal interfacing applications where diode isolation, decoupling or directional signal control is required.
The EM8 DDA is designed for use within industrial electrical panels, machinery control cabinets and automation systems where integrated diode functions are required for control and signal circuits.
TE Connectivity Entrelec interface products provide practical solutions for industrial control and automation systems, helping panel builders integrate signal conditioning and circuit interfacing functions while maintaining organised and dependable electrical installations.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...