In most procurement cycles, MITSUBISHIELECTRIC-QX40 is considered with Schneider PLC, Mitsubishi HMI and Siemens PLC Dealers In Chennai, giving decision-makers confidence that they’ve chosen the most dependable component.
Mitsubishi QX40 - Programmable Logic Controller
The Mitsubishi QX40 PLC is a compact and reliable Programmable Logic Controller input module from the advanced MELSEC-Q Series, designed for high-speed, accurate signal processing in industrial automation. Built with Mitsubishi Electric’s trusted engineering quality, it ensures seamless integration into modern control systems.

| Brand | Mitsubishi |
| Product Type | PLC(Programmable Logic Controller) |
| Product | QX40 |
Technical Specifications of Mitsubishi Programmable Logic Controller QX40
| Specification | Value |
|---|---|
| Series | MELSEC-Q SERIES |
| Type | DC INPUT (PLUS COMMON) |
| Occupied I/O Points on PLC | 16 |
| Integrated Digital Inputs | 16 |
| Depth (mm) | 90 |
| Weight (kg) | 0,16 |
| Width (mm) | 27,4 |
| Height (mm) | 98 |
| Wiring | SCREW |
| Int. Current Consumption (A) | 0,05 |
| Rated Input Voltage (VDC) | 24 |
Mitsubishi QX40 Programmable Logic Controller from the MELSEC-Q Series is a high-performance DC input module developed by Mitsubishi Electric for precise and reliable automation control. This compact Mitsubishi Programmable Logic Controller is designed for engineers, OEMs, and maintenance professionals who require fast, stable, and noise-resistant input detection in modern industrial environments.
The Mitsubishi QX40 operates with 16 integrated digital inputs configured as a DC input module (plus common), ensuring fast signal detection and robust performance in demanding applications. It works on a 24V DC rated input voltage and consumes only 0.05A of internal current, providing both power efficiency and operational stability. The unit’s compact form factor—27.4 mm width, 98 mm height, and 90 mm depth—makes it ideal for space-limited control panels. Built with durable components, the QX40 PLC supports screw-type wiring for secure electrical connections, ensuring resistance to vibration and thermal variations common in factory environments. As a key member of the MELSEC-Q Series, it integrates seamlessly with other Mitsubishi CPUs and output modules, enabling modular system scalability and high-speed communication. Engineers trust the Mitsubishi QX40 Programmable Logic Controller for its precision, long-term stability, and compatibility with multiple control architectures, making it a standard choice in advanced automation setups worldwide.
The Mitsubishi QX40 PLC is widely used in process automation, conveyor systems, packaging machines, and assembly line monitoring, where accurate digital input handling is essential. Maintenance teams value its plug-and-play compatibility with MELSEC-Q CPUs and its ability to maintain reliable signal processing even under electrical noise. The compact structure simplifies installation, while the module’s low power consumption supports energy-efficient control design. Engineers in the automotive and electronic manufacturing sectors use the QX40 to monitor switches, sensors, and proximity inputs, ensuring precise timing and consistent data acquisition. Built on Mitsubishi’s proven automation platform, the QX40 Programmable Logic Controller provides high-speed response and long operational life, helping factories achieve greater uptime and productivity with minimal maintenance.
For further details, users can refer to the official Mitsubishi QX40 datasheet and QX40 manual to review wiring layouts, input specifications, and setup procedures. Checking the latest QX40 price can assist engineers and procurement professionals in evaluating cost-effective automation upgrades. With its robust construction, precise control capability, and long-term reliability, the Mitsubishi QX40 Programmable Logic Controller continues to be a trusted component in industrial automation systems across India and globally.







