The inverter FR-D740-036-EC is a model from the FR-D700 series of inverters manufactured by Mitsubishi Electric. The FR-D700 series is a range of compact and cost-effective inverters designed for controlling the speed of three-phase induction motors.

Here are some key features and specifications of the FR-D740-036-EC inverter:

Power Rating: 3.7 kW (5 HP)

Input Voltage: 3-phase, 380-480 VAC (±10%)

Output Voltage: 3-phase, 0-480 VAC (variable)

Frequency Control Range: 0.2-400 Hz

Control Method: Pulse Width Modulation (PWM) control

Built-in Protections: Overcurrent protection, overload protection, short circuit protection, and overvoltage protection.

Braking Capability: Optional external braking unit can be connected for dynamic braking.

Control Modes: The inverter supports various control modes such as V/F (Voltage/Frequency) control, sensorless vector control, and magnetic flux vector control.

Communications: It has built-in RS-485 communication capabilities for connecting to a computer or a network.

Programming: The inverter can be programmed and parameterized using dedicated software provided by Mitsubishi Electric.

The specific model you mentioned, FR-D740-036-EC, indicates a power rating of 3.7 kW (5 HP). The "EC" in the model number might indicate the presence of an integrated EMI filter to reduce electromagnetic interference.

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