M200-03400073A Control Techniques VFD | 3.0 kW (4.0 HP) Unidrive M200 AC Drive

Control Techniques M200-03400073A Variable Frequency Drive

The Control Techniques M200-03400073A (part of the high-performance Unidrive M200 series) is a robust variable frequency drive (VFD) designed for general-purpose applications requiring seamless automation integration and superior open-loop motor control. Operating on a three-phase 380-480 VAC input, this compact Size 3 frame drive delivers a rated power output of 3.0 kW (4.0 HP) and a continuous output current of 7.3 A. Built to optimize productivity and energy efficiency, it features advanced control algorithms and scalable communication options.

Key Specifications & Electrical Performance

  • Part Number: M200-03400073A

  • Manufacturer: Control Techniques (Nidec)

  • Frame Size: Size 3

  • Input Voltage: Three-Phase, 380 to 480 VAC ±10% (48 to 62 Hz)

  • Output Phase: Three-Phase

  • Motor Shaft Power: 3.0 kW (4.0 HP)

  • Rated Output Current: 7.3 A

  • Overload Capacity: 180% for 3 seconds (heavy duty), 150% for 60 seconds

  • Ingress Protection Rating: IP21 / UL Open Class (NEMA 1)

Advanced Motor Control via RFC-A Technology

The drive incorporates the proprietary Rotor Flux Control (RFC-A) algorithm. This advanced control method uses closed-loop current control in an open-loop configuration, offering maximum stability of induction motors across all power bands. It stabilizes running speeds under highly variable loads, delivers excellent low-speed torque, and optimizes transient motor performance without requiring an external feedback device.

Modular Connectivity and Fieldbus Flexibility

The M200-03400073A includes an on-board System Integration (SI) slot that accepts external communication modules. This permits straightforward integration with existing plant PLCs and supervisory systems. Supported industry-standard communication networks include:

  • PROFINET

  • EtherCAT

  • Ethernet/IP

  • Modbus TCP

  • CANopen

  • PROFIBUS

Quick Setup and Commissioning Features

  • Intuitive Front Parameter Guide: Displays core setup parameters directly on the front cover of the drive for fast, localized configuration.

  • Easy Parameter Cloning: Fully compatible with the optional AI-Back-up Adaptor to clone, store, and transfer parameters using standard SD cards.

  • Compact Footprint: Offers a highly reduced physical profile, making it one of the smallest footprints in its class to maximize panel space.

  • Onboard PLC: Features built-in PLC programming capabilities conforming to IEC 61131-3, which handles basic control logic directly inside the drive to save on external component costs.

Primary Industrial Applications

Engineered to deliver reliable performance in heavy-duty environments, the M200-03400073A is optimized for:

  • Speed-synchronized industrial conveyor belts

  • Heavy-duty ventilation fans and exhaust systems

  • Centrifugal liquid pumps and dosing systems

  • Compact mixing equipment and agitators

Our experienced commercial team is available to assist you with component compatibility, stock inquiries, and rapid procurement to keep your projects running on schedule.

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