Mitsubishi MR-E-200A-KH003 Ruggedized Servo Drive Module

Product Overview

Mitsubishi MR-E-200A-KH003 Ruggedized Servo Drive Module: Industrial Resilience for Harsh Environments

The Mitsubishi MR-E-200A-KH003 is a high-performance AC servo amplifier from Mitsubishi Electric’s proven MELSERVO-E series, engineered to deliver precise motion control and sustained reliability in the most demanding industrial environments. Rated at 2kW output power and designed for 200V single-phase or three-phase input, this compact single-axis drive is purpose-built for continuous-duty applications where downtime is not an option.

In environments characterized by elevated ambient temperatures, high humidity, airborne particulates, mechanical vibration, and electromagnetic interference — including steel mills, mining conveyors, chemical processing lines, and automated assembly systems — the MR-E-200A-KH003 maintains stable closed-loop servo control without performance degradation. Its robust internal architecture incorporates advanced EMI filtering and surge suppression circuitry, ensuring clean signal integrity even when installed adjacent to high-power variable frequency drives, large contactors, or industrial welding equipment.

Rugged Specifications Table

Comprehensive Protection Solutions

The MR-E-200A-KH003 is rarely deployed in isolation. In a fully integrated control cabinet, it operates alongside complementary Mitsubishi Electric components that together form a resilient automation architecture. The servo amplifier typically receives motion commands from a Mitsubishi MELSEC Q-series or iQ-R series PLC — such as the QD75MH4 positioning module or the RD77MS4 Simple Motion Module — via high-speed pulse train or SSCNET III/H fiber-optic communication, eliminating susceptibility to electrical noise on the command path.

Power conditioning is equally critical in harsh-environment installations. A Mitsubishi EMC filter (FR-BIF series) installed on the input side suppresses conducted emissions and protects upstream equipment, while a Mitsubishi regenerative resistor unit (MR-RB series) safely dissipates braking energy during rapid deceleration cycles — a common requirement in press-feed and winding applications. For cabinet-level power distribution, Mitsubishi CP30 series circuit protectors provide coordinated overcurrent protection for each servo axis without the nuisance tripping associated with standard MCBs under servo inrush conditions.

On the I/O side, the MR-E-200A-KH003 interfaces cleanly with Mitsubishi MELSEC AJ65SBTB1 CC-Link remote I/O terminals for distributed sensor and actuator wiring across the machine frame, reducing cabinet wiring complexity and improving fault isolation. Safety interlock circuits — including emergency stop, servo-ready, and alarm-reset signals — are typically routed through a Mitsubishi F3SJ or compatible safety relay module to ensure SIL-compliant machine protection. For applications requiring coordinated multi-axis motion, the MR-E-200A-KH003 can be paired with additional MR-E-100A-KH003 or MR-E-40A-KH003 amplifiers sharing a common DC bus configuration, enabling synchronized servo operation across multiple axes within the same enclosure.

Communication transparency is maintained through a Mitsubishi GOT2000 series HMI connected via RS-422 or Ethernet, providing real-time servo status monitoring, alarm history, and parameter backup — essential for predictive maintenance programs in continuous production environments.

Application in Critical Infrastructure

The MR-E-200A-KH003 has established a strong track record across critical infrastructure sectors where servo reliability directly impacts production safety and output continuity.

In oil and gas processing facilities, the amplifier drives precision valve actuators and metering pump feeds in non-hazardous auxiliary zones, where stable torque control under variable load is essential for process consistency. Its sealed panel-mount design and wide operating temperature range make it suitable for installation in pressurized control rooms adjacent to wellhead monitoring systems.

In coal and mineral mining operations, the MR-E-200A-KH003 controls conveyor indexing drives and ore-sampling positioning systems. The amplifier’s vibration tolerance — validated to 0.6G across the 10–55 Hz band — ensures encoder signal integrity even when mounted in structures subject to continuous mechanical shock from crushing and screening equipment.

In electric power generation and substation automation, the servo drive manages precision positioning of tap-changer mechanisms and automated switchgear test rigs, where repeatable positioning accuracy and fail-safe alarm output are mandatory. The amplifier’s RS-422 communication port enables remote parameter monitoring from a SCADA-connected Mitsubishi MELSEC PLC without requiring physical access to the control cabinet.

In water and wastewater treatment plants, the MR-E-200A-KH003 drives chemical dosing pump actuators and filter backwash valve positioners in high-humidity environments. Its non-condensing humidity rating of up to 90% RH, combined with conformal-coated PCB options available in the KH003 suffix variant, provides additional protection against moisture ingress in pump rooms and wet-well installations.

In metallurgical and steel production, the amplifier is deployed in rolling mill auxiliary drives, ladle transfer positioning systems, and continuous casting withdrawal units — applications demanding sustained torque output, rapid dynamic response, and tolerance to the intense electromagnetic interference generated by large thyristor rectifiers and arc furnace equipment nearby.

Security & Quality FAQ

Q1: What warranty coverage is provided with the MR-E-200A-KH003?
Every MR-E-200A-KH003 unit supplied by TOPNLMS carries a 12-month warranty from the date of shipment. This covers manufacturing defects and functional failures under normal operating conditions. Each unit undergoes functional verification testing — including power-on, alarm output, and encoder interface checks — before dispatch. Warranty claims are supported by our technical team with direct replacement or repair coordination.

Q2: How is product authenticity and condition verified before shipment?
All units are sourced through established industrial supply channels and inspected upon receipt. Pre-shipment testing confirms correct power-up behavior, parameter accessibility via MR Configurator, and absence of fault codes. Units are shipped in anti-static packaging with desiccant inserts to prevent moisture damage during transit. Condition (new, refurbished, or tested-used) is disclosed transparently in the product listing and order confirmation.

Q3: Is the MR-E-200A-KH003 compatible with my existing MELSERVO-E motors and PLC system?
The MR-E-200A-KH003 is designed for use with Mitsubishi HF-KE and HF-SE series servo motors rated at 2kW. It is compatible with MELSEC Q-series and A-series PLCs using pulse-train position command interfaces, and supports MR Configurator software for parameter setup and diagnostics. If you are integrating this amplifier into an existing MELSERVO-E system or replacing a failed unit, our technical team can assist with parameter migration and compatibility verification prior to purchase.

Q4: Can long-term supply continuity be guaranteed for ongoing maintenance programs?
Yes. TOPNLMS maintains dedicated stock of MELSERVO-E series components, including the MR-E-200A-KH003 and related accessories such as MR-RB regenerative resistors, MR-J2CN1 connectors, and matched HF-KE servo motors, specifically to support customers with multi-year maintenance contracts and planned replacement schedules. For high-volume or scheduled procurement requirements, contact our sales team to discuss reserved stock arrangements and lead-time commitments.