Mitsubishi LY40PT5P - Programmable Logic Controller
The Mitsubishi LY40PT5P is a powerful PLC module from the MELSEC-L Series, designed to deliver high-speed, source-type transistor output control in compact industrial automation systems. This Programmable Logic Controller ensures reliable operation for demanding I/O-intensive applications.

| Brand | Mitsubishi |
| Product Type | PLC(Programmable Logic Controller) |
| Product | LY40PT5P |
Technical Specifications of Mitsubishi Programmable Logic Controller LY40PT5P
| Specification | Value |
|---|---|
| Series | MELSEC-L SERIES |
| Type | TRANSISTOR OUTPUT (SOURCE) |
| Occupied I/O Points on PLC | 16 |
| Depth (mm) | 95 |
| Weight (kg) | 0,15 |
| Width (mm) | 28,5 |
| Height (mm) | 90 |
| Power Supply (V) | 12-24 |
| Current Type | DC |
| Integrated Digital Outputs | 16 |
| Output Type | TRANSISTOR |
| Output Logic | SOURCE |
| Rated Load Voltage (VDC) | 24 |
| Wiring | SCREW |
| Int. Current Consumption (A) | 0,1 |
The LY40PT5P model by Mitsubishi Electric is part of the advanced MELSEC-L Series PLC family, engineered for flexibility, performance, and space optimization. This transistor output PLC features 16 digital outputs with source logic, delivering stable signal switching for critical control tasks. Built for DC operation between 12β24V, this unit supports high-speed control of actuators, relays, and indicators in harsh industrial environments.
Its compact structure β measuring just 95 mm deep, 28.5 mm wide, and 90 mm high β ensures seamless integration into space-constrained panels. Weighing only 0.15 kg, it supports easy DIN rail mounting and minimal load on enclosures. The internal current consumption of 0.1 A allows for energy-efficient performance, while the screw-type terminals make wiring secure and maintenance-friendly. Operating on a 24V DC rated load voltage, the LY40PT5P guarantees consistent and safe operation of connected field devices. Trusted by automation engineers across sectors like automotive assembly, conveyor systems, and smart factory environments, this Mitsubishi PLC ensures both reliability and precision.
The Mitsubishi LY40PT5P PLC is ideal for applications that require fast and reliable digital output control with compact wiring architecture. In packaging machinery, it handles real-time I/O signals to control ejectors, solenoids, and light indicators with millisecond-level responsiveness. Its transistor-based output and source logic make it suitable for systems with grounded input loads, reducing the risk of signal interference or voltage mismatch.
Maintenance engineers in industries such as material handling, assembly lines, and machine tools benefit from the easy wiring and stable communication offered by this unit. The LY40PT5P supports direct control of small motors, stack lights, and pneumatic valves with minimal wiring complexity. Its compatibility with the wider Mitsubishi MELSEC ecosystem also makes it easy to expand control networks or upgrade legacy systems without major design changes.
Whether you are optimizing an existing automation panel or developing a decentralized system architecture, the LY40PT5P PLC delivers dependable output control, long lifecycle stability, and efficient integration into industrial environments. Get the most out of your control cabinet with this Mitsubishi transistor output PLC.







