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1238 Curtis Controllers

The Curtis 1238 controllers operate at a frequency of 10 kHz to give high-quality power to AC induction motors. This controller is unique from other Curtis controllers as it uses a field-programmable logic controller to be able to produce a never-before-seen quality of power making it a flexible controller option for dual drive, lifting, traction, and other related applications. The controller also has a feature that allows it to communicate with other CAN Bus-enabled controllers, has reduced wiring, and allows input and output sharing throughout the system.


The controllers under Curtis 1238 have a nominal voltage range of 24-96 volts and a current limit range of 450-650 amperes. It weighs 6.82 kg, is 275 mm in length, 232 mm in width, and 85 mm in depth. The model also utilizes a modifiable operating system with logic that can carry out vehicle control language, which expands the control customization possibilities, increases market responsiveness, and allows product differentiation.


The Curtis 1238 controllers can now be purchased here in Cloud Electric, your one-stop shop for all your electric component needs. Cloud Electric is a leading distributor of electronic components in North America. We take pride in our informative product descriptions, pricing, and shipping speed.


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1238-5601 : Curtis Controller 36/48V 650A AC CONTROL #1238-5601
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SPECIFICATIONS

NOMINAL VOLTAGE RANGE

24-36 V, 36-48 V, 48-80 V, 72-96 V

ELECTRICAL ISOLATION

500 VAC (Due to Heatsink)

CURRENT LIMIT RANGE

450-650 A

RATING RANGE


  • 2 Minute

450-650 A

  • 60 Minute

155-265 A

TEMPERATURE


  • Ambient (Storage)

-40°C to 95°C

  • Ambient (Operational)

-40°C to 50°C

HEATSINK


  • Internal

-40°C to 95°C

  • Undertemperature Cutoff

Cutoff finishes at -40°C

  • Overtemperature Cutoff

Starts at 85°C

Cutoff finishes at 95°C



PHYSICAL SPECIFICATIONS

PACKAGING

IP65

WEIGHT

6.82 kg

DIMENSIONS


  • Length

275 mm

  • Width

232 mm

  • Depth

85 mm



FEATURES

Features

Purpose

Improved Pulse Width Modulation

Offers silent and efficient operation while reducing heat losses and its torque ripple

Full Regeneration Capability

Inverts the direction of current to assist battery’s energy recovery

Efficient Field Oriented Control

The FOC produces a regulated speed, increases the capability of driving uphill, and enhanced the driving experience

Control Algorithm Adapts to the Motor Conditions

Ability to maintain performance under any conditions

Speed Control

Ability to ensure deceleration safety despite low and zero speed

Simultaneous Battery Estimation

The battery, power, and torque is estimated in real-time

Power Limiting Maps

Regardless of battery’s state-of-charge, it maintains performance through performance customization

Operating System

Motor tasks are controllable due to programmable logic done through paralleling process that the OS allows

Expanded Input and Output

Adaptable to the input and output demand.

CAN Bus Connection

Allows the system to communicate to other systems that with enabled CAN Bus

Field Programmable

Can be remotely programmed with flash downloadable operating code

Temperature Functions

Performs cutback functions, notifications, and automatic shutdowns to protect the motor and controller

Dual Drive Functionality

Smooth and safe operations during operation to reduce the risk of tire wear

Metal Insulation

The power base substrate is insulated for high-quality heat transfer



ACCESSORIES COMPATIBLE WITH CURTIS 1238

  1. Curtis 1314 - a compatible 32-bit application that runs on personal computers with Windows as an operating system that functions similarly to the handheld Curtis controller.

  2. Curtis 1311 - a programmer that assists in parameter control and system diagnostics.



DIMENSIONS



WIRING DIAGRAM