Yaskawa CIMR-MX Series Modules: CIMR-MXN2015

Technical Dossier

Product Details And Specifications

Yaskawa CIMR-MX Series: Comprehensive Module Range and Technical Overview

The Yaskawa CIMR-MX series, commercially designated as the Varispeed-626MX, is a general-purpose AC variable frequency drive platform engineered for demanding industrial environments. Deployed extensively across petrochemical refineries, chemical processing plants, pulp and paper mills, water treatment infrastructure, and heavy manufacturing facilities, the CIMR-MX series occupies a foundational position in global industrial automation inventories. Its V/f and open-loop vector control architecture made it a standard specification for pump, fan, compressor, and conveyor applications throughout the 1990s and early 2000s. Units remain operational in legacy installations worldwide, sustaining a persistent demand for spare parts, replacement drives, and technical support.

The Evolution of CIMR-MX Architecture

The CIMR-MX series was introduced by Yaskawa Electric Corporation as a successor to earlier Varispeed drives, incorporating improved IGBT switching technology and enhanced EMC compliance for industrial environments. The platform supports single-phase and three-phase input configurations across a voltage class range spanning 200V and 400V nominal, with output capacity from fractional horsepower to several hundred kilowatts depending on the frame size.

The control architecture is based on V/f (volts-per-hertz) open-loop control with optional PG (pulse generator) feedback for closed-loop speed regulation. Communication options were limited to analog and digital I/O in base configurations, with optional RS-485 MEMOBUS/Modbus RTU interface cards available as field-installable options. This architecture predates the widespread adoption of EtherNet/IP and PROFINET, making integration with modern DCS and SCADA systems dependent on protocol converter hardware.

As the series entered its end-of-life phase, Yaskawa designated the V1000, A1000, and GA700 series as functional successors. However, direct mechanical and electrical interchangeability is not guaranteed across generations, and many facilities operating CIMR-MX drives in fixed panel configurations continue to source original replacement units rather than undertake full drive replacement projects.

CIMR-MX Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the Yaskawa CIMR-MX (Varispeed-626MX) series. Models are organized by voltage class and output capacity. Each entry reflects a distinct power rating and enclosure configuration.

200V Class — Single-Phase Input

• CIMR-MXA2001: 200V single-phase, 0.1 kW (0.13 HP), compact frame, V/f control
• CIMR-MXA2002: 200V single-phase, 0.2 kW (0.25 HP), V/f open-loop vector
• CIMR-MXA2003: 200V single-phase, 0.4 kW (0.5 HP), standard I/O configuration
• CIMR-MXA2007: 200V single-phase, 0.75 kW (1 HP), integrated braking transistor
• CIMR-MXA2015: 200V single-phase, 1.5 kW (2 HP), DIN rail or panel mount

200V Class — Three-Phase Input

• CIMR-MXN2001: 200V three-phase, 0.1 kW (0.13 HP), minimal footprint frame
• CIMR-MXN2002: 200V three-phase, 0.2 kW (0.25 HP), V/f control, analog I/O
• CIMR-MXN2003: 200V three-phase, 0.4 kW (0.5 HP), standard terminal block layout
• CIMR-MXN2007: 200V three-phase, 0.75 kW (1 HP), built-in braking transistor
• CIMR-MXN2015: 200V three-phase, 1.5 kW (2 HP) — the subject unit; open-loop vector, analog/digital I/O, RS-485 option compatible
• CIMR-MXN2022: 200V three-phase, 2.2 kW (3 HP), mid-range conveyor and pump duty
• CIMR-MXN2037: 200V three-phase, 3.7 kW (5 HP), enhanced heat dissipation frame
• CIMR-MXN2055: 200V three-phase, 5.5 kW (7.5 HP), larger panel footprint
• CIMR-MXN2075: 200V three-phase, 7.5 kW (10 HP), heavy-duty fan and pump rating
• CIMR-MXN2110: 200V three-phase, 11 kW (15 HP), industrial frame with external cooling

400V Class — Three-Phase Input

• CIMR-MXN4007: 400V three-phase, 0.75 kW (1 HP), high-voltage compact frame
• CIMR-MXN4015: 400V three-phase, 1.5 kW (2 HP), standard industrial duty
• CIMR-MXN4022: 400V three-phase, 2.2 kW (3 HP), analog speed reference input
• CIMR-MXN4037: 400V three-phase, 3.7 kW (5 HP), compatible with external braking resistor
• CIMR-MXN4055: 400V three-phase, 5.5 kW (7.5 HP), heavy industrial application rated

Sourcing Hard-to-Find & Obsolete CIMR-MX Parts

The CIMR-MX series has been formally discontinued by Yaskawa Electric Corporation. OEM new-stock availability through authorized distribution channels is effectively exhausted for most models. DriveKNMS maintains a dedicated inventory of CIMR-MX units sourced through verified industrial surplus channels, decommissioned plant equipment, and controlled-environment storage facilities.

For facilities operating CIMR-MX drives in critical process loops — where unplanned downtime carries significant operational cost — DriveKNMS provides lifecycle extension support including: direct replacement unit supply, cross-reference identification for non-standard variants, and technical documentation retrieval for legacy parameter configuration. Requests for low-volume single-unit replacements and bulk spare parts packages are both accommodated. Lead times and stock confirmation are provided within one business day of inquiry submission.

Quality Control for the CIMR-MX Range

All CIMR-MX units processed by DriveKNMS undergo a structured inspection and functional verification protocol prior to dispatch. The procedure addresses the specific failure modes associated with this drive generation, including IGBT module degradation, DC bus capacitor ESR drift, gate driver board corrosion, and control board EEPROM parameter retention failure.

Inspection steps include: visual examination of PCB surfaces for contamination, corrosion, and thermal damage; DC bus capacitance measurement against OEM specification; IGBT static and dynamic switching test under controlled load; no-load run verification across the full output frequency range (0–400 Hz); and parameter upload/download verification via operator keypad or RS-485 interface where applicable. Units that do not meet OEM-equivalent performance thresholds are not released for sale.