The Mitsubishi FR-E540-1.5K is a Variable Frequency Drive (VFD) or inverter manufactured by Mitsubishi Electric. It is designed to control the speed of three-phase induction motors in various industrial applications. 

Here are some specifications and features of the Mitsubishi FR-E540-1.5K VFD Inverter:

Power Rating: 1.5 kW (2 horsepower)

Voltage Rating: 200-240V, three-phase

Control Method: V/f control (Volts per hertz)

Frequency Range: 0-400 Hz

Input/Output Terminals: Multiple digital inputs and outputs, analog inputs and outputs

Built-in Protection: Overload protection, overvoltage protection, undervoltage protection, short-circuit protection, motor stall prevention, thermal protection

Communications: RS-485 serial communication interface (Modbus-RTU protocol)

Programming: It can be programmed using Mitsubishi's dedicated programming software or through the digital operator panel (FR-DU07) that can be purchased separately.

Operating Environment: It is designed for ambient temperatures of 0-40°C and humidity of 90% or less (non-condensing).

The FR-E540-1.5K VFD Inverter provides precise motor control, energy savings, and various protective features for reliable operation. It is commonly used in applications such as conveyors, fans, pumps, and other motor-driven.