electric car conversion kit AC motor controller 30KW /DC72V AC speed controller

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Quick Details
Place of Origin:
Anhui, China (Mainland)
Brand Name:
Model Number:
Motor Type:
DC Motor
Electric Vehicle
Controller Assy
Motor type:
DC Motor
Supply Ability
Supply Ability:
3000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Standard exporting packaging
Lead Time :
Shipped in 2 days after payment

DC Motor Controller for Golf Carts


  • PWM operating frequency: 16 kHz
  • Electrical isolation to heatsink (min.): 500 VAC
  • KSI input voltage (minimum): 16.8 V
  • KSI input current (typical): 80 mA without programmer; 120 mA with programmer
  • Ambient operating temperature range: -40°C to 50°C
  • Heatsink overtemperature cutback: starts at 85°C; cutoff at 95°C
  • Heatsink undertemperature cutback: 50% armature current at -25°C
  • Package environmental rating: IP53


The Curtis PMC 1297 motor controller is an integrated controller that combines two motor controllers in one: it controls both a separately-excited traction motor and a series pump motor. Typical applications include walkie/rider pallet trucks, low lifts, stackers, small order-pickers, small reach trucks, and other small industrial vehicles.

The 1297 controller offers smooth, silent, cost effective control of motor speed and torque. The traction section includes a full-bridge field control and a half-bridge armature control to provide full solid-state regenerative braking. The pump section contains a half-bridge drive designed to provide smooth and efficient control of a series pump motor. In addition to controlling the pump motor, the 1297 controls the valves on the Lift cylinder’s hydraulic line and thus controls the hydraulic path for Lift and Lower operations.

The 1297 controller is fully programmable through any of Curtis PMC’s 1313-4401 Handheld Programmer or 1314 PC Programming Station. In addition to configuration flexibility, the programmer provides diagnostic and test capability.

Key Features:

  • Curtis Model: 1297-2401
  • Norminal Battery Voltage (Volts): 48V (default setting) or 24V
  • Amature 2 minute current rating (amps): 350
  • Field 2 minute current rating (amps): 35
  • Logic enable and logic power input voltage (minimum): 16.8 V
  • Logic enable and logic power input current (no contactors engaged): 80 mA without programmer; 120 mA with programmer
  • Logic input voltage: >7.5 V High; <1 V Low
  • Logic input current: 7.3 mA (nominal)
  • Throttle control signals: 2-wire 5kΩ–0 or 0–5kΩ; 3-wire pot; or 0–5V
  • Dimensions: L158xW158xH84 mm
  • Net Weight: 3.0 kg

Features Include:

  • 350 amp separately excited regenerative traction motor controller
  • Field current standard at 35 amps on 350 amp controllers
  • MultiMode™ feature allows two distinct user-selectable operation modes
  • 300 amp series pump motor controller, with choice of variable PWM or ramped on/off
  • Proportional lowering valve is controlled by a variable-current driver, for precise control during lowering
  • Lift and Lower operations start smoothly, because of hydraulic system pre-load function
  • Throttle inputs for single-ended or wigwag 5kΩ pots or 0–5V throttles (both standard full stroke and restricted range); one throttle for the traction system and one for the hydraulic system
  • Active precharge of controller capacitor bank extends life of main contactor tips
  • Complete diagnostics through Curtis 1313-4401 Handheld Programmer or 1314 PC Programming Station and through the built-in Status LED, for quick and easy testing, diagnostics, and parameter adjustment
  • Three hourmeters—total KSI-on hours, drive hours, pump hours—and their associated maintenance timers are built into the controller, with EEPROM storage (no battery)
  • BDI calculations performed within controller
  • Meets EEC fault detection requirements (standard M- PWM fault check)
  • Fault detection circuitry on throttle inputs can be used to inhibit operation if traction or hydraulic throttle signal goes out of range for any reason
  • Internal reverse polarity protection (no external diode required)
  • Continuous diagnostics during operation, with microprocessor power-on self-test
  • All output drivers are short-circuit protected and provide built-in coil spike protection
  • Positive battery connections for all inputs
  • Fully protected inputs
  • Internal and external watchdog circuits ensure proper software operation
  • High environmental protection rating (IP53)


Package and Shipping 

Package:Normally we use the standard exporting packaging. We also can according to clients' request .


Shipping :


1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperating.

2. By Air: Delivery from the Shanghai airport to customer’s destination city air port.

3. By Sea: Delivery from the Shanghai sea port .

About Us       

Hefei Huanxin Technology Development  Co., Ltd. has been devoting ourselves to developing and manufacturing and other since 2004. We are located in Hefei, Anhui Province, with convenient transportation access. We employ over 101 - 200 People staff members. We have achieved great improvement since our company was founded in 2004. 

We abide by the motto of Firstclass quality, Reasonable price, Best service and Professional product support. 

Contact Details                                                                      


Please freely contact us if you get any problem.


Mr Jason Yu

Skype: yu.jason61

Mobile: +86 15256530726

Tel: +86 551 66338878

Fax: +86 551 66338870

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