MH5250B | Lenze MCH 25HP 540–600V AC Variable Speed Drive NEMA 1

Description 

The Lenze MH5250B is an MCH Series variable speed AC drive designed for three-phase 540–600 VAC motor control applications. Rated at 25 HP (18.5 kW), it provides adjustable speed regulation for industrial systems operating at 50/60 Hz. The drive is housed in a NEMA 1 enclosed and vented cabinet for indoor installations.

Technical Specifications 

Information About MH5250B

The MH5250B belongs to the Lenze / AC Tech MCH Series, engineered for variable torque and general-purpose motor control applications. It operates on a three-phase 540–600 VAC supply and delivers a rated output current of 27 A. The unit supports V/Hz and torque control operating modes and includes an integrated keypad for local configuration. Designed with a NEMA 1 enclosure (IP31), it is intended for indoor use in electrical rooms and control cabinets.

Key Features: 

• 25 HP (18.5 kW) Rating: Designed for medium-power motor applications.

• 540–600 VAC Input: Three-phase industrial supply configuration.

• 27 A Rated Output Current: Supports continuous motor operation.

• NEMA 1 Enclosure: Enclosed and vented cabinet for indoor environments.

• Variable Speed Control: Supports V/Hz, constant torque, and variable torque modes.

• Integrated Keypad: Local control and parameter adjustment interface.

• Modbus RTU Communication: RS-485 interface for automation integration.

• Analog and Digital I/O: Includes 0–10 VDC, 4–20 mA inputs and relay/NPN outputs.

• Dynamic Braking Capability: Supports controlled motor deceleration.

The MH5250B delivers the reliability and precision required for industrial variable frequency drive applications.