Product Description

Models 1204M / 1205M / 1209M / 1221M

Product Description


Curtis Models 1204M/1205M/1209M/1221M provide fully programmable control of DC series motors performing on-vehicle traction or pump duties. These microprocessor-based MOSFET controllers add flexibility and versatility to the time-proven CHINAMFG series motor controller family. Primarily designed for battery-powered vehicle applications using either electric or hydrostatic traction. These include industrial trucks, personnel carriers, mobile elevating work platforms, and golf and utility vehicles.



    Controllable Power Pulse Width Modulation (PWM) control with programmable speed, acceleration rate, and current limit. Short duration boost capability (5 sec, 110% of 2 min current rating). Allows clearing of obstacles, climbing ramps. High efficiency, silent operation. Costs, heat-sinking requirements, motor and battery losses reduced. Low-end torque, range, and battery life maximized.


    Programmable and Flexible

    Fully programmable via CHINAMFG hand-held tools or CHINAMFG PC programming software model kits 1314K. Supports multiple throttle types and high pedal disable (HPD) options. LED output for easy system troubleshooting via flash codes. Fully programmable analog throttle input for precise speed control with a variety of signal sources. Programmable under voltage cutback caters for different battery types. Programmable, variable, or fixed plug braking modes. Plug braking diode internal to controller. Models available without A2 busbar for applications such as pump control that do not require plug braking.


    Key Features:

  • CURTIS Model: 1204M-5305
  • Norminal Battery Voltage (Volts): 48V (default setting) or 36V
  • 2 Minute Current Rating (amps): 325
  • 5 Second Boost Current Rating (amps): 358
  • 1 Hour Current Rating (amps): 140
  • Plug Braking (A2 Busbar): Yes
  • PWM operating frequency: 15.6 kHz
  • Electrical isolation to heatsink (min.): 500 VAC
  • KSI input current (no contactors engaged):
    • 70 mA without programmer
    • 130 mA with programmer
  • Logic input current: < 2 mA
  • Status LED output current (max.): < 2 mA
  • Ten throttle types can be used with these controllers:
    • Type 0: 2-wire potentiometer, 0-5kΩ
    • Type 1: 2-wire potentiometer, 5kΩ-0
    • Type 2: single-ended 0-5V input
    • Type 3: 2-wire potentiometer, 4.6kΩ-0
    • Type 4: 2-wire potentiometer, 5.5kΩ-0
    • Type 5: 2-wire potentiometer, 1kΩ-0
    • Type 6: ITS input
    • Type 7: single-ended 6.3-10.6 V input
    • Type 8: single-ended 6-12 V input
    • Type 9: single-ended 3-wire potentiometer, 0-5kΩ
  • Dimensions: L173xW146xH77 mm
  • Net Weight: 2.3 kg
  • Operating ambient temperature range: -40°C to 50°C
  • Storage ambient temperature range: -40°C to 85°C
  • Package environmental rating: ISTA 2A; electronics sealed to IP65
  • Regulatory compliance: EN 12895 and EN 61000
Model No. Voltage Current Limit(A)
    2 Min) 1 Hour
1204M-42XX 24/36 275 125
1204M-53XX* 36 / 48 325 140
1204M-63XX* 48 / 72 325 140
1205M-46XX 24 / 36 500 (30 Sec) 175
1205M-56XX* 36 / 48 500 (1 Min) 200
1205M–6B3XX 60 / 72 400 (1 Min) 175



Application Vehicle Example

CURTIS 1204M programmable series motor controllers are designed to provide smooth, silent, cost-effective control of motor speed and torque. 1204M controllers are updated versions of the popular 1204 controllers, with the added functionality of being programmable-via the CURTIS Model 1313-4331 Handheld Programmer or 1314 PC Programming Station. This means the controllers can be tailored to the needs of specific applications. In addition to configuration flexibility, use of the programmer offers diagnostic and test capability.

CURTIS 1204M controllers are the ideal solution for a variety of electric vehicle applications, including industrial trucks, personnel carriers, material handing vehicles, golf cars, etc.

Packing and Shipping



  • Products And Services:

    Production Line:

    • Exhibition Pictures




      Company Profile



      Our company is located in HangZhou City, ZheJiang Province China, is the large-scale professional agriculture Machinery,Forklift Parts manufacturer with integration of  manufacturing, export and after-sale service. Establish in 2017, by now Forklift electrical accessories basically cover the vehicles of major domestic brands( Such as Zhongli,Nuoli,Afterburner,Heli,Baoli,TCM TEU)

      The company′s main products cover Electric Vehicles,Electric Forklifts,Motor Controller ,Lithium battery and sell parts and accessories for electric Vehicles ,including motors Electric Controls ,meters,accelerators,control handles ,DC converters,power connectors ,wiring harness,Various electrical switches and so on.

      We have professional quality inspection department, every machine will be tested 3 times before delivery in order to make sure the machinery in future. 

      With high quality product, competitive price, and best after-sale service, we have gained good reputation from all over the world, such as Europe, South Korea North, America, Central and South America, Africa, Australia, New Zealand and so on.Base on it ,we welcome buyers from all over the world.



      Q: Can I have a sample order?
      A: yes, we welcome sample orders to test and check quality.

      Q: Do you offer a guarantee for the products?
      A: Yes, we offer a 1-year warranty on our products.

      Q: Which shipping will you offer?
      A: By sea, air,  DHL, FedEx, TNT, UPS, EMS, SF 

      Q: How to proceed with an order?
      A: Firstly let us know your requirements or application. Secondly, We quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places a deposit for formal order. Fourthly We arrange the production.

      Q: Is it OK to print my logo on the product?
      A: Yes. Please inform us formally before our production and confirm the design first based on our sample.

      Q: Do you have any MOQ limit?
      A: Low MOQ, 1pc for sample checking is available


/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Warranty: 3months-1year
Material: Stainless Steel
Customized: Customized
US$ 188/Piece
1 Piece(Min.Order)


Order Sample

DC Motor


.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

dc motor

In which applications are DC motors commonly used, and what advantages do they offer?

DC (Direct Current) motors are widely used in various applications due to their versatility, controllability, and specific advantages they offer. Here’s a detailed explanation of the common applications of DC motors and the advantages they provide:

1. Robotics:

DC motors are extensively used in robotics for precise control of movement and manipulation. They provide high torque and speed control, allowing robots to perform tasks with accuracy and efficiency. DC motors enable robotic arms, grippers, and mobile robots to execute complex motions and interact with their environment effectively.

2. Industrial Automation:

In industrial automation, DC motors are employed in conveyors, actuators, and positioning systems. The ability to control the motor speed and torque makes them suitable for applications such as material handling, assembly lines, and CNC machines. DC motors offer precise control over acceleration, deceleration, and positioning, enhancing overall productivity and efficiency in manufacturing processes.

3. Electric Vehicles:

DC motors have been widely used in electric vehicles (EVs) for many years. They are commonly found in electric cars, motorcycles, and scooters. DC motors provide high torque from standstill, enabling efficient acceleration and smooth operation. They also offer regenerative braking capabilities, which help in energy recovery during deceleration, thereby increasing the vehicle’s overall efficiency.

4. Appliances:

DC motors are utilized in various household appliances, including fans, blenders, vacuum cleaners, and refrigerators. Their controllable speed and torque allow for efficient operation and improved energy consumption. In appliances where variable speed control is required, such as ceiling fans or blender settings, DC motors offer precise adjustment options to meet different user preferences.

5. Renewable Energy Systems:

DC motors play a crucial role in renewable energy systems, such as wind turbines and solar tracking systems. They convert the rotational energy from wind or sunlight into electrical energy. DC motors enable precise tracking of the sun’s movement for optimal solar energy collection and efficient conversion of wind energy into electricity.

6. Advantages of DC Motors:

DC motors offer several advantages that make them suitable for various applications:

  • Precise Speed Control: DC motors provide accurate and adjustable speed control, allowing for precise regulation of motor output.
  • High Starting Torque: DC motors deliver high torque at startup, making them suitable for applications requiring quick acceleration or heavy loads.
  • Controllability: DC motors can be easily controlled using voltage regulation, current limiting, and feedback control techniques.
  • Efficiency: DC motors have high efficiency, especially when operating at lower speeds.
  • Reliability: DC motors are known for their robustness and reliability, requiring minimal maintenance.
  • Compact Size: DC motors are available in various sizes and can be designed compactly, making them suitable for applications with space constraints.

These advantages make DC motors an attractive choice in various industries and applications where precise control, high starting torque, and reliability are essential.

dc motor

Can DC motors be used in renewable energy systems, such as wind turbines or solar tracking systems?

Yes, DC (Direct Current) motors can be effectively used in various renewable energy systems, including wind turbines and solar tracking systems. The unique characteristics and advantages of DC motors make them well-suited for these applications. Here’s a detailed explanation of how DC motors can be utilized in renewable energy systems:

1. Wind Turbines:

DC motors can be employed in wind turbines to convert the mechanical energy of the wind into electrical energy. There are two common configurations:

a. Direct Drive Wind Turbines:

In direct drive wind turbines, the rotor of the turbine is directly connected to a DC generator. The rotor’s rotational motion is transmitted directly to the generator, which produces DC electrical power. DC motors can be used as DC generators in this configuration. The advantage of using DC motors/generators is their simplicity, reliability, and ability to operate efficiently at variable speeds, which is beneficial in varying wind conditions.

b. Hybrid Wind Turbines:

Hybrid wind turbines combine both aerodynamic and electrical conversion systems. In this configuration, DC motors can be utilized for the pitch control mechanism and yaw control system. The pitch control mechanism adjusts the angle of the turbine blades to optimize performance, while the yaw control system enables the turbine to align itself with the wind direction. DC motors provide precise control and responsiveness required for these functions.

2. Solar Tracking Systems:

DC motors are commonly employed in solar tracking systems to maximize the efficiency of solar panels by optimizing their orientation towards the sun. There are two main types of solar tracking systems:

a. Single-Axis Solar Tracking Systems:

Single-axis solar tracking systems adjust the inclination of solar panels along a single axis (typically the east-west axis) to track the movement of the sun throughout the day. DC motors can be used to drive the rotation mechanism that adjusts the panel’s tilt angle. By continuously adjusting the panel’s position to face the sun directly, the solar energy harvested can be significantly increased, resulting in higher energy output compared to fixed solar panel installations.

b. Dual-Axis Solar Tracking Systems:

Dual-axis solar tracking systems adjust the inclination of solar panels along both the east-west and north-south axes to track the sun’s movement throughout the day and throughout the year. DC motors are utilized in the rotation mechanisms for both axes. This type of solar tracking system provides the highest possible energy yield by keeping the solar panels perpendicular to the sun’s rays at all times, maximizing the exposure to sunlight.

DC motors are preferred in renewable energy systems due to their advantages, including:

  • Efficiency at Variable Speeds: DC motors can operate efficiently at varying speeds, making them suitable for applications with fluctuating wind speeds or changing solar angles.
  • Control and Precision: DC motors offer precise control and responsiveness, allowing for accurate tracking and adjustment in wind turbines and solar tracking systems.
  • Reliability: DC motors are known for their reliability, with fewer moving parts compared to other motor types, reducing the risk of failure in remote or harsh environments.
  • Compatibility with Energy Storage Systems: DC motors can easily be integrated with energy storage systems, such as batteries or supercapacitors, to store excess electrical energy generated by wind turbines or solar panels.

In conclusion, DC motors can be effectively utilized in renewable energy systems such as wind turbines and solar tracking systems. Their efficiency, control capabilities, reliability, and compatibility with energy storage systems make them a suitable choice for these applications, contributing to the advancement of sustainable energy generation.

dc motor

Can DC motors be used in robotics, and if so, what are some notable applications?

Yes, DC (Direct Current) motors can be used in robotics, and they are widely employed in various robotic applications. DC motors offer several advantages that make them suitable for robotic systems, including their controllability, compact size, and versatility. Here’s a detailed explanation of how DC motors are used in robotics and some notable applications:

DC Motors in Robotics:

DC motors are commonly used in robotics due to their ability to provide precise speed control and torque output. They can be easily controlled by adjusting the voltage applied to the motor, allowing for accurate and responsive motion control in robotic systems. Additionally, DC motors can be designed in compact sizes, making them suitable for applications with limited space and weight constraints.

There are two main types of DC motors used in robotics:

  1. DC Brushed Motors: These motors have a commutator and carbon brushes that provide the electrical connection to the rotating armature. They are relatively simple in design and cost-effective. However, they may require maintenance due to brush wear.
  2. DC Brushless Motors: These motors use electronic commutation instead of brushes, resulting in improved reliability and reduced maintenance requirements. They are often more efficient and offer higher power density compared to brushed motors.

Notable Applications of DC Motors in Robotics:

DC motors find applications in various robotic systems across different industries. Here are some notable examples:

1. Robotic Manipulators: DC motors are commonly used in robotic arms and manipulators to control the movement of joints and end-effectors. They provide precise control over position, speed, and torque, allowing robots to perform tasks such as pick-and-place operations, assembly, and material handling in industrial automation, manufacturing, and logistics.

2. Mobile Robots: DC motors are extensively utilized in mobile robots, including autonomous vehicles, drones, and rovers. They power the wheels or propellers, enabling the robot to navigate and move in different environments. DC motors with high torque output are particularly useful for off-road or rugged terrain applications.

3. Humanoid Robots: DC motors play a critical role in humanoid robots, which aim to replicate human-like movements and capabilities. They are employed in various joints, including those of the head, arms, legs, and hands, allowing humanoid robots to perform complex movements and tasks such as walking, grasping objects, and facial expressions.

4. Robotic Exoskeletons: DC motors are used in robotic exoskeletons, which are wearable devices designed to enhance human strength and mobility. They provide the necessary actuation and power for assisting or augmenting human movements, such as walking, lifting heavy objects, and rehabilitation purposes.

5. Educational Robotics: DC motors are popular in educational robotics platforms and kits, including those used in schools, universities, and hobbyist projects. They provide a cost-effective and accessible way for students and enthusiasts to learn about robotics, programming, and control systems.

6. Precision Robotics: DC motors with high-precision control are employed in applications that require precise positioning and motion control, such as robotic surgery systems, laboratory automation, and 3D printing. The ability of DC motors to achieve accurate and repeatable movements makes them suitable for tasks that demand high levels of precision.

These are just a few examples of how DC motors are used in robotics. The flexibility, controllability, and compactness of DC motors make them a popular choice in a wide range of robotic applications, contributing to the advancement of automation, exploration, healthcare, and other industries.

China Custom CHINAMFG 1205m-5603 DC Motor Controller 36-48V 500A Forklift Parts Electric Motor   vacuum pump and compressor	China Custom CHINAMFG 1205m-5603 DC Motor Controller 36-48V 500A Forklift Parts Electric Motor   vacuum pump and compressor
editor by CX 2024-05-07