Curtis Instruments

Curtis Instruments, Inc. is a global leader in the design and manufacture of advanced instrumentation and control systems for electric and hybrid vehicles.Established in 1960 and headquartered in Mount Kisco, New York, the company has a significant presence in over 16 countries, including manufacturing facilities in Puerto Rico, Bulgaria, China, and India.
Global Presence and Operations
Curtis Instruments operates five specialized R&D centers located in the United States (New York and California), Switzerland, China, and the United Kingdom.These centers focus on developing cutting-edge technologies in motor control, battery management, power conversion, and vehicle instrumentation.The company's global workforce comprises approximately 1,100 employees dedicated to innovation and customer support.
Product Portfolio
Curtis offers a comprehensive range of products tailored for various applications, including:
Motor Speed Controllers
Battery Management Systems (BMS)
Human-Machine Interfaces (HMIs) and Instrumentation
Power Conversion Units
CAN Modules and Accessories
These products are widely used in sectors such as material handling, golf and recreational vehicles, mobile elevated work platforms, construction, agriculture, turf care, marine, and select on-road segments.
Curtis Instruments India
Established in 1997, Curtis Instruments India Pvt. Ltd., located in Pune, serves as a key subsidiary catering to India and neighboring countries.The Indian operations focus on providing electric vehicle development consultancy and state-of-the-art EV products.In alignment with the 'Make in India' initiative, the company commenced local manufacturing in 2021 to serve both domestic and international EV markets.
Acquisition by Kohler Co.
In January 2022, Curtis Instruments was acquired by Kohler Co., a global leader in engines, power generation, and clean energy solutions.This strategic acquisition aims to expand and diversify Kohler's power portfolio by integrating Curtis' electrification expertise.Curtis continues to operate as a standalone entity within the Kohler Power Group.
Motor Controller

AC F2-A
Motor type:AC InductionPMAC/Brushless DC (BLDC)

AC F2-AE
Motor type: AC InductionPMAC/Brushless DC (BLDC)

AC F2-C
Motor type: AC InductionPMAC/Brushless DC (BLDC)

AC F2-T/AC F2-D
Motor type: AC InductionPMAC/Brushless DC (BLDC)

HVi F5-R
Motor type:AC Induction PMAC

1238 e
Motor type:AC Induction

1266 AR
Motor type:

1212
Motor type: Brushed DC Permanent Magnet

1229
Motor type: Brushed DC Permanent Magnet

1205M
Motor type: Brushed DC Permanent Magnet

1226BL
Motor type: Brushed DC
CAN Module

1351
I/O Pins: 26

1352
I/O Pins: 14 pins

1355
I/O Pins: 14 pins

1360
I/O Pins: