Product Description


Product Description

1236E-542 1 36-48V 450A Drive Kit Assembly Kit Brushed AC Power Motor Technical Programmable Controller For Electric Stacker/Pallet Truck/Forklift 

Product nume 

AC Motor Controller

Car Fitment Electric Sightseeing Bus lifted Golf Cart forlift etc.
Voltage Options 48-80V Current 450A
Model 1236E-5421 Temperature -40°C to 50°C
Color Black Type AC Motor
Size L232xW165xH85 mm Warranty 2 year
MOQ 20 PCS Port HangZhou/ZheJiang

Models 1236E 

A significant enhancement to the CHINAMFG AC family, The ‘E’ models utilize

a powerful dual-microprocessor logic architecture to provide improved

performance and surpass the requirements of the latest international

functional safety standards.

Only CHINAMFG AC can offer:

CHINAMFG VCL -Vehicle Control Language is an easy to use programming language

that allows vehicle developers to write powerful logic functions and create a

‘virtual system controller’. CHINAMFG offers customers VCL development tools and

training. CHINAMFG also provides a VCL service where CHINAMFG engineers will work with

the OEM to create anycustom VCL code required.

Indirect Field Orientation (IFO) Vector Control algorithm generates the maximum

possible torque and efficiency across the entire speed range. Advanced CHINAMFG

IFO vector control provides superb drive ‘feel’, improved speed regulation and

increased gradeability.

CHINAMFG Auto-Tune function enables quick and easy characterization of the AC

motor without having to remove it from the vehicle. CHINAMFG AC controllers are

fully compatible with any brand of AC motor..

Dual-Drive Functionality is standard, allowing correct control of applications

featuring twin traction motors. This function ensures smooth and safe operation,

minimal tire wear and correct load sharing between the traction motors at all times.

Configurable CANbus connection allows communication with other CANbus

enabled devices. Models 1236E and 1238E are CANopen compatible and provide 20

VCLconfigurable CAN ‘mailboxes’, 6 more than earlier CHINAMFG AC controllers.

Integrated System Controller-More than just a motor controller, they are also

powerful system controllers. They feature a comprehensive allocation of multi

function I/O pins for use as analog inputs, digital inputs, contactor coil drivers and

proportional valve drivers. In addition to this local I/O, these controllers can use

VCL to map and configure the remote I/O available on other CANbus devices, send

messages to CAN displays and thus control and monitor the entire system..

Robust Safety and Reliability

Dual Microprocessor architecture cross-checks critical

circuits, logic, and software functions to ensure the highest

possible functional safety performance level is achieved.

Insulated metal substrate power-base provides superior

heat transfer for increased reliability.

Fail-Safe power component design.

Reverse polarity protection on battery connections.

Short circuit protection on all output drivers.

Thermal cutback, warning, and automatic shutdown

provide protection to motor and controller.

Rugged sealed housing and connectors meet IP65

environmental sealing standards for use in harsh



Meets or complies with relevant US and

International Regulations

EMC: Designed to the requirements of EN12895.

Safety: Designed to the requirements of:


EN (ISO) 13849-1

IP65 Rated per IEC 60529.

UL recognized per UL583.

Regulatory compliance of the complete vehicle system

with the controller installed is the responsibility of the

vehicle OEM.


The CHINAMFG model 1236E provides advanced control of AC induction motors performing on-vehicle traction drive or hydraulic pump duties and offers the highest levels of functional safety.


* Maximum controller output frequency: 300 Hz
* Heatsink overtemperature cutoff: linear cutback starts at 85°C; complete cutoff at 95°C
* Heatsink undertemperature cutoff: complete cutoff at -40°C

The embedded logic controller runs a fully functional field-oriented AC motor control operating system (OS) that can be
user-tailored via parameter modification. The OS also contains logic to execute OEMdeveloped software, called VCL, that can be
used to enhance the controller capabilities beyond the basics.

VCL (Vehicle Control Language) is an innovative software programming language developed by CURTIS. Many electric vehicle functions
are uniquely built into the VCL code, and additional functions can be OEM-controlled using VCL code. VCL opens new avenues of customization, product differentiation, and responsiveness to the market.


The CAN bus communications included in the 1236, as well as in many other CHINAMFG products, allow these AC induction motor controllers to be part of an efficient distributed system. Inputs and outputs can be optimally shared throughout the system, minimizing wiring and creating integrated functions that often reduce the cost of the system. CHINAMFG 1236 controllers are the ideal solution for traction, hoist, dual drive, and other motor drive and vehicle control needs.
The 1236 controllers are fully programmable through the CHINAMFG Model 1313-4331 Handheld Programmer or 1314 PC Programming Station.The programmer provides diagnostic and test capability in addition to configuration flexibility.



Product Category



Production Line



Related Hot sale Products


Hot sale orchard lifting and picking equipment,If you are interested, you can click the link to view.


Package and Delivery

We have a 24 hours *7 days friendly and professional customer service team, providing a strongly 5-year warranty and free lifelong technical support. All batteries will be tested for capacity and checked for external damage before packaging. And we provide English guideline and user manual to help you operate battery easily and quickly.


Company Profile

                                                                ZheJiang CHINAMFG Autopats Company

 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.



Q1.Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.

Q2. Do you have any MOQ limit?
A: Small quantity is accepted , but we offer quantity discount.

Q3. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

Q4. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q5. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q6. Is it OK to print my logo on the product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7. How to proceed 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 deposit for formal order.
Fourthly We arrange the production and Shipping.
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After-sales Service: Online
Warranty: 1 Year
Material: Aluminum Alloy
US$ 1100/Piece
1 Piece(Min.Order)


Order Sample

AC Motor Controller 1236E-5421


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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.

induction motor

What factors should be considered when selecting an AC motor for a particular application?

When selecting an AC motor for a particular application, several factors need to be considered to ensure the motor meets the requirements and performs optimally. Here are the key factors to consider:

  1. Power Requirements: Determine the power requirements of the application, including the required torque and speed. The motor should have adequate power output to meet the demands of the specific task. Consider factors such as starting torque, running torque, and speed range to ensure the motor can handle the load effectively.
  2. Motor Type: There are different types of AC motors, including induction motors, synchronous motors, and brushless DC motors. Each type has its own characteristics and advantages. Consider the application’s requirements and factors such as speed control, efficiency, and starting torque to determine the most suitable motor type.
  3. Environmental Conditions: Assess the environmental conditions in which the motor will operate. Factors such as temperature, humidity, dust, and vibration levels can impact motor performance and longevity. Choose a motor that is designed to withstand the specific environmental conditions of the application.
  4. Size and Space Constraints: Consider the available space for motor installation. Ensure that the physical dimensions of the motor, including its length, diameter, and mounting arrangement, are compatible with the available space. Additionally, consider the weight of the motor if it needs to be mounted or transported.
  5. Efficiency: Energy efficiency is an important consideration, as it can impact operational costs and environmental sustainability. Look for motors with high efficiency ratings, which indicate that they convert electrical energy into mechanical energy with minimal energy loss. Energy-efficient motors can lead to cost savings and reduced environmental impact over the motor’s lifespan.
  6. Control and Speed Requirements: Determine if the application requires precise speed control or if a fixed speed motor is sufficient. If variable speed control is needed, consider motors that can be easily controlled using variable frequency drives (VFDs) or other speed control mechanisms. For applications that require high-speed operation, select a motor that can achieve the desired speed range.
  7. Maintenance and Serviceability: Assess the maintenance requirements and serviceability of the motor. Consider factors such as the accessibility of motor components, ease of maintenance, availability of spare parts, and the manufacturer’s reputation for reliability and customer support. A motor that is easy to maintain and service can help minimize downtime and repair costs.
  8. Budget: Consider the budget constraints for the motor selection. Balance the desired features and performance with the available budget. In some cases, investing in a higher quality, more efficient motor upfront can lead to long-term cost savings due to reduced energy consumption and maintenance requirements.

By carefully considering these factors, it is possible to select an AC motor that aligns with the specific requirements of the application, ensuring optimal performance, efficiency, and reliability.

induction motor

What are the safety considerations when working with or around AC motors?

Working with or around AC motors requires careful attention to safety to prevent accidents, injuries, and electrical hazards. Here are some important safety considerations to keep in mind:

  • Electrical Hazards: AC motors operate on high voltage electrical systems, which pose a significant electrical hazard. It is essential to follow proper lockout/tagout procedures when working on motors to ensure that they are de-energized and cannot accidentally start up. Only qualified personnel should perform electrical work on motors, and they should use appropriate personal protective equipment (PPE), such as insulated gloves, safety glasses, and arc flash protection, to protect themselves from electrical shocks and arc flash incidents.
  • Mechanical Hazards: AC motors often drive mechanical equipment, such as pumps, fans, or conveyors, which can present mechanical hazards. When working on or near motors, it is crucial to be aware of rotating parts, belts, pulleys, or couplings that can cause entanglement or crushing injuries. Guards and safety barriers should be in place to prevent accidental contact with moving parts, and proper machine guarding principles should be followed. Lockout/tagout procedures should also be applied to the associated mechanical equipment to ensure it is safely de-energized during maintenance or repair.
  • Fire and Thermal Hazards: AC motors can generate heat during operation, and in some cases, excessive heat can pose a fire hazard. It is important to ensure that motors are adequately ventilated to dissipate heat and prevent overheating. Motor enclosures and cooling systems should be inspected regularly to ensure proper functioning. Additionally, combustible materials should be kept away from motors to reduce the risk of fire. If a motor shows signs of overheating or emits a burning smell, it should be immediately shut down and inspected by a qualified professional.
  • Proper Installation and Grounding: AC motors should be installed and grounded correctly to ensure electrical safety. Motors should be installed according to manufacturer guidelines, including proper alignment, mounting, and connection of electrical cables. Adequate grounding is essential to prevent electrical shocks and ensure the safe dissipation of fault currents. Grounding conductors, such as grounding rods or grounding straps, should be properly installed and regularly inspected to maintain their integrity.
  • Safe Handling and Lifting: AC motors can be heavy and require proper handling and lifting techniques to prevent musculoskeletal injuries. When moving or lifting motors, equipment such as cranes, hoists, or forklifts should be used, and personnel should be trained in safe lifting practices. It is important to avoid overexertion and use proper lifting tools, such as slings or lifting straps, to distribute the weight evenly and prevent strain or injury.
  • Training and Awareness: Proper training and awareness are critical for working safely with or around AC motors. Workers should receive training on electrical safety, lockout/tagout procedures, personal protective equipment usage, and safe work practices. They should be familiar with the specific hazards associated with AC motors and understand the appropriate safety precautions to take. Regular safety meetings and reminders can help reinforce safe practices and keep safety at the forefront of everyone’s minds.

It is important to note that the safety considerations mentioned above are general guidelines. Specific safety requirements may vary depending on the motor size, voltage, and the specific workplace regulations and standards in place. It is crucial to consult relevant safety codes, regulations, and industry best practices to ensure compliance and maintain a safe working environment when working with or around AC motors.

induction motor

What are the main components of an AC motor, and how do they contribute to its operation?

An AC motor consists of several key components that work together to facilitate its operation. These components include:

  1. Stator: The stator is the stationary part of an AC motor. It is typically made of a laminated core that provides a path for the magnetic flux. The stator contains stator windings, which are coils of wire wound around the stator core. The stator windings are connected to an AC power source and produce a rotating magnetic field when energized. The rotating magnetic field is a crucial element in generating the torque required for the motor’s operation.
  2. Rotor: The rotor is the rotating part of an AC motor. It is located inside the stator and is connected to a shaft. The rotor can have different designs depending on the type of AC motor. In an induction motor, the rotor does not have electrical connections. Instead, it contains conductive bars or coils that are short-circuited. The rotating magnetic field of the stator induces currents in the short-circuited rotor conductors, creating a magnetic field that interacts with the stator field and generates torque, causing the rotor to rotate. In a synchronous motor, the rotor contains electromagnets that are magnetized by direct current, allowing the rotor to lock onto the rotating magnetic field of the stator and rotate at the same speed.
  3. Bearing: Bearings are used to support and facilitate the smooth rotation of the rotor shaft. They reduce friction and allow the rotor to rotate freely within the motor. Bearings are typically located at both ends of the motor shaft and are designed to withstand the axial and radial forces generated during operation.
  4. End Bells: The end bells, also known as end covers or end brackets, enclose the motor’s stator and rotor assembly. They provide mechanical support and protection for the internal components of the motor. End bells are typically made of metal and are designed to provide a housing for the bearings and secure the motor to its mounting structure.
  5. Fan or Cooling System: AC motors often generate heat during operation. To prevent overheating and ensure proper functioning, AC motors are equipped with fans or cooling systems. These help dissipate heat by circulating air or directing airflow over the motor’s components, including the stator and rotor windings. Effective cooling is crucial for maintaining the motor’s efficiency and extending its lifespan.
  6. Terminal Box or Connection Box: The terminal box is a housing located on the outside of the motor that provides access to the motor’s electrical connections. It contains terminals or connection points where external wires can be connected to supply power to the motor. The terminal box ensures a safe and secure connection of the motor to the electrical system.
  7. Additional Components: Depending on the specific design and application, AC motors may include additional components such as capacitors, centrifugal switches, brushes (in certain types of AC motors), and other control devices. These components are used for various purposes, such as improving motor performance, providing starting assistance, or enabling specific control features.

Each of these components plays a crucial role in the operation of an AC motor. The stator and rotor are the primary components responsible for generating the rotating magnetic field and converting electrical energy into mechanical motion. The bearings ensure smooth rotation of the rotor shaft, while the end bells provide structural support and protection. The fan or cooling system helps maintain optimal operating temperatures, and the terminal box allows for proper electrical connections. Additional components are incorporated as necessary to enhance motor performance and enable specific functionalities.

China supplier 1236e-5421 Original CHINAMFG 450A 36 48V AC Motor   vacuum pump booster	China supplier 1236e-5421 Original CHINAMFG 450A 36 48V AC Motor   vacuum pump booster
editor by CX 2024-04-11