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Curtis 1238E-6521 AC Motor Controller
48V - 80V 550A Maximum
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Curtis 1238E-6521 AC Motor Controller<br>48V - 80V 550A Maximum
Curtis 1238E-6521 AC Motor Controller
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Curtis 1238E-6521 AC Motor Controller
48V - 80V 550A Maximum
Pulsed AC Controller

Controller Programming Instructions

The Curtis 1238E-6521 controller line provides advanced control of AC induction motors performing on-vehicle traction drive or hydraulic pump duties. It offers vehicle developers a highly cost-effective combination of power, performance, and functionality.

Quantity Price
1+ $1,500.00
Price with Options:

(Discounts, if applicable, will show in the "Shopping Pallet")

Notice: The prices shown are for merchandise and do not include shipping. Shipping will be billed separately.

Prices shown may be changed without notice.

Curtis 1238E-6521 AC Motor Controller 48V - 80V 550A Maximum
4Pin Molex Programming Port and Wires?
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  • Increased performance, improved functionality
  • Higher performance form, fit and functional replacements than earlier Curtis Model 1236 and 1238 AC controllers.
  • CE marked as a programmable safety device under EN ISO 13849-1.
  • Models available for 350–800A output at 24–96V system voltages. These are true 2 minute RMS ratings, not short duration ‘boost’ ratings.
  • Enhanced 64MHz micro and additional FLASH memory doubles the available VCL code space and provides more than twice the VCL execution speed.
  • Six additional VCL-configurable CAN ‘mailboxes’ significantly increases CAN master capabilities.
  • Advanced Pulse Width Modulation techniques produce low motor harmonics, low torque ripple and minimized heating losses, resulting in high efficiency.
  • Unmatched Flexibility
  • Programmable for either traction or pump applications.
  • Field upgradeable software.
  • Integrated Battery state-of-charge algorithm and hour meters.
  • Fully-featured generic software and VCL for typical Warehouse Truck applications is included.
  • Comprehensive programming options and VCL allow other applications to be easily supported.
  • Curtis hand-held or PC Windows programming tools provide easy programming and powerful system diagnostic tools.
  • Integrated status LED provides instant diagnostic indication.




There are 2 ways to get an exact quote for the base shipping for your Curtis 1238E-6521 48V-80V 550A AC motor controller order.

1.  Contact us at (801) 566-5678 9am-5pm Monday-Friday or email [email protected] or go through our Contact Us page




2. Place your order by clicking in the shopping pallet “Proceed To Checkout”

a. Enter your information so we can get you a shipping quote

b. Select the “Shipping Method” of preference

c. Confirm the “Choose one payment method” has “Shipping Quote Request” selected

d. Click the “Check Out” button

e. You’ll receive a confirmation email of your request, as will we


We’ll research the exact shipping cost and send you an invoice to your PayPal or email or you can add it to your pallet in $1 Shipping Increments for your Curtis 1238E-6521 48V-80V 550A AC motor controller order.

Quantity discounts show in the “Shopping Pallet”.

We love to meet or beat any competitor’s price!


Higher volume discounts, price matching or questions?

Contact Carl, our resident specialist.

9am-9pm Mon-Sat MDT

(801) 566-5678

or email

[email protected]


[email protected]

or through our Contact Us page

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