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Curtis Controllers Model 1268


The separately excited motor speed controllers from Curtis Controller Model 1268 operate at a high frequency of 16 kHz, making them a noiseless and cost-efficient choice as they allow smooth control of brake, torque, and speed. It is designed to suit heavy-duty transport vehicles ranging from high-power demand golf carts to utility vehicles.


The Curtis Controllers Models under 1268 have a nominal voltage of 36-48 volts and a current limit range of 400-500 amperes. The controller only weighs 3.9 kg and is 229 mm in length, 178 mm in width, and 81 mm in depth. This controller has regenerative braking, well-protected components, cutback functions, and WalkAway feature among others.


The Curtis 1268 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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1268-5403 : Curtis Controller G - 36-48V 400A (0-5K)SX CTL  #1268-5403 1268-5502 : Curtis Controller G - 36-48V 500A (ITS) SX CTL  #1268-5502 Curtis Controller G - 36-48V 500A (0-5K) SX CTL  #1268-5501
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1

SPECIFICATIONS

NOMINAL VOLTAGE RANGE

36-48 V

MINIMUM ELECTRICAL ISOLATION

Due to Heatsink: 500 VAC

LOGIC INPUT


  • Power Input Voltage

16.8 V

  • Power Input Current

W/o Programmer: 160 mA

W/ Programmer: 200 mA

  • Voltage

High: Greater than 20 V

Low: Less than 7.5 V

  • Current

10 mA

CURRENT LIMIT RANGE

400-500 A

OPERATING FREQUENCY

16 kHz

THROTTLE TYPES

Voltage Throttles, 3-Wire Potentiometer, ITS Throttles

TEMPERATURE


  • Ambient (Operational)

-40C to 50C

  • Under temperature Cutback (Heatsink)

-25 C (50% armature current)

  • Overtemperature Cutback (Heatsink)

Starts at 85 C

Cutoff finishes at 95C


FEATURES

Feature

Purpose

Regenerative Braking

Ensures longer operation, reduces motor heating and decreases brush wear

Adjustable and Programmable Parameters

A feature allowing control of brake, speed, and torque and to match motor requirements

MultiMode input

The top speed of the vehicle is controlled and with applied limits along with 2 operating personalities

Hall Effect Speed Sensor

The speed control is improved due to this feature

Anti-rollback function

When driving uphill, the vehicle is inhibited to roll backward

Anti-stall function

Protects motor commutator from harm

High Pedal Disable

Allows a safe start by monitoring the status of the throttle. If the vehicle is started with an applied throttle, this feature disables it from operating until the throttle is returned to the neutral position

WalkAway braking

The vehicle can only operate at low speeds when off

Reverse Signal Driver

If the vehicle is reversing, it gives a low signal

Short Circuit Protection

Outputs and has integrated protection from coil spike

Buzzer Sound

Reverse: Steady

WalkAway Braking: Intermittent

Status LED

Allows viewing of diagnostics

Plastic Cover

Helps in resisting splashes

Easy Installation

No further alterations are necessary

IP64 and IP67

Ingress Protection (IP) rating that protects the controller from the rugged environment


ACCESSORIES COMPATIBLE WITH CURTIS 1268

  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

    Wiring Diagram for 1268 with EM brake


    Wiring Diagram for 1268 with WalkAway function