CRRC EC Series Motor Controllers

The CRRC EC Series Motor Controllers are high-performance power conversion and control devices developed by CRRC, engineered to deliver precise, efficient control for electric motors across heavy-duty and new energy vehicle scenarios.
Encased in a robust, compact structure with clearly labeled terminals, these controllers integrate advanced power electronics technology to meet the demands of mining electric locomotives, rubber-tired vehicles, logistics vehicles, and new energy automobiles, balancing efficiency, reliability, and flexible integration for heavy-load motor control operations.
We provide targeted support for this motor, including field adaptation testing, operation training, and after-sales maintenance, to meet the specific demands of mining logistics.

Advantages of CRRC EC Series Motor Controllers

Adopting optimized power electronics topology and scientifically validated high-grade electronic components, the EC series delivers exceptional energy conversion efficiency, minimizing power loss during motor drive operations to reduce overall energy consumption and operational costs for vehicle operators.
Backed by rigorous component screening and a robust structural design, the controllers ensure stable performance under harsh operating conditions such as mining site vibration and temperature fluctuations, lowering fault rates and supporting reliable long-term continuous operation for heavy-duty vehicles.
It offers broad compatibility across diverse vehicle platforms—including mining electric locomotives, rubber-tired vehicles, logistics vehicles, and new energy automobiles—with a standardized terminal interface that enables seamless integration with various motor and power system configurations.
The series leverages scientifically selected, high-quality electronic components paired with optimized thermal management, extending the controller’s service life and reducing the risk of component failure in high-load scenarios, while maintaining consistent electrical performance under peak operating demands.
The compact, panel-mounted enclosure saves valuable installation space in vehicle compartments, while its modular terminal layout simplifies wiring and on-site maintenance, enhancing operational flexibility and reducing commissioning time when adapting to different vehicle platforms.

Technical Specifications

EC Series Motor Controllers Description

Power range: 15 – 75 kW.

Features: High conversion efficiency, high reliability, and scientifically selected components.

Applicable scenarios: Motor control for mining locomotives, rubber-tired vehicles, logistics vehicles, and new energy vehicles.

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Motor Model	Power Range	Applicable scenarios
EC Series Motor Controllers	15 – 75 kW	Motor control for mining locomotives, wheeled vehicles, logistics vehicles, and new energy vehicles
Explosion-proof Permanent Magnet Motor for Rubber-Tired Vehicles	200 – 1600 kW	Driving various general-purpose machinery, such as belt conveyors, ball mills, and cutting machines
Flameproof Permanent Magnet Synchronous Variable Frequency Drive Motor	200 – 1600 kW	Driving various general-purpose machinery, such as belt conveyors, ball mills, and cutting machines
TBVF Series Explosion-Proof Disc Permanent Magnet Motor	5.5 – 55kW	Flammable and explosive gas environments such as coal mines, chemical plants, natural gas plants, and metallurgical plants.
Semi-Direct Drive Permanent Magnet Motor	200 – 1600 kW	Driving various general-purpose machinery, such as belt conveyors, ball mills, and cutting machines
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Power range: 15 – 75 kW.

Features: High conversion efficiency, high reliability, and scientifically selected components.

Applicable scenarios: Motor control for mining locomotives, rubber-tired vehicles, logistics vehicles, and new energy vehicles.

TBVF Low-Speed High-Torque Series
Voltage Level	380V	660V (690V)	1140V	3300V	6 KV / 10kV
Rated Speed	46rpm, 60rpm, 75rpm, 90rpm	46rpm, 60rpm, 75rpm, 90rpm	46rpm, 60rpm, 75rpm, 90rpm	46rpm, 60rpm, 75rpm, 90rpm	46rpm, 60rpm, 75rpm, 90rpm
Power Range	30 – 355kW	30 – 1400kW	30 – 1600kW	220 – 3215kW	200 – 3215kW
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TBVF Normal-Speed Series
Voltage Level	380V	660V (690V)	1140V	3300V
Rated Speed	1000rpm, 1500rpm	1000rpm, 1500rpm	1000rpm, 1500rpm	1000rpm, 1500rpm
Power Range	132 – 355kW	132 – 355kW	132 – 800kW	900 – 1250kW
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