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Curtis Controllers Model 1231C

The electronic motor speed controllers from Curtis Controller Model 1231C operate at a high frequency of 15 kHz and 1.5 kHz, making these controllers a noiseless and cost-efficient choice as they permit smooth control of brake, torque, and speed. It is designed to suit various industrial applications such as vehicles used for material handling and on-road cars.


The Curtis Controllers Models under 1231C have nominal voltage options of 72-120 volts and 96-144 volts and a current limit ranging from 500-550 amperes. It is 309 mm in length, 220 mm in width, and 94 mm in depth. The controller provides a better driving experience due to key features and optional features, which can be added according to the preferences and application demands.


The Curtis 1231C 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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Curtis 72/120V 550A (0-5K) PMC 1231C-7701 Curtis 72/120V 350A (0-5K) PMC 1231C-7702 Curtis 96/144V 500A (0-5K) PMC 1231C-8601
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Curtis 96/144V 500A (0-5V) PMC 1231C-8602 Curtis 96/144V 500A (0-5K) PMC 1231C-8603 Curtis 96/144V 500A (0-5K) PMC 1231C-8604
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SPECIFICATIONS

NOMINAL VOLTAGE RANGE

72-120 V, 96-144 V

CURRENT LIMIT RANGE

500-550 A

STANDBY CURRENT

30 mA

OPERATING FREQUENCY

15 kHz and 1.5 kHz

TEMPERATURE RANGE DURING OPERATION

-25C to 85C



PHYSICAL SPECIFICATIONS

PACKAGING

IP65

WEIGHT

8.6 kg

DIMENSION

  • Length

309 mm

  • Width

220 mm

  • Depth

94 mm



FEATURES

Feature

Purpose

Frequency Shifting (Only available for C model)

During low-duty cycles, it enhances control of the current limit

Brake Control and Variable Drive Speed

Allows accurate vehicle control for an improved driving experience

Power MOSFET

Highly efficient and noiseless operation

Protection and Compensation Circuit for Temperature

Allows stable current limit and cutback function for during under and over temperature condition

Cutback Function (Undervoltage)

Provides protection from low battery voltage (internal and/or external)

Circuitry for Fault Detection

Helps in preventing runaway conditions and monitors components such as the battery, and a bypass contactor, among others

Easy Installation

No further alterations

Tin-plating (Bus Bars)

Protection for solid copper bus bars

Push-in Connectors

Allows control wiring



OPTIONAL FEATURES

Feature

Purpose

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 a neutral position




DIMENSIONS



WIRING DIAGRAM