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Home > CURTIS > MODEL 1221
The Curtis model 1221 is an advanced motor controller that is suitable for use in material handling applications as well as on-road electric powered vehicles. The reason behind its versatility is the programmable MOSFET controller that beats under its casing, offering silent and energy-efficient operation by limiting battery losses through constant monitoring and adjustment of the key performance elements. 1221 remains on alert under all operational conditions, checking the throttle circuitry and disabling it when an open circuit occurs, monitoring the battery for excessive voltage fluctuations, checking the temperature and taking action to keep it in a safe value range, and finally activating a sophisticated frequency shifting feature when operating on low-duty cycles. The case of the controller is rugged and designed with heat dissipation in mind, even offering multiple mounting options all of which maintain a high level of temperature control capacity. Once the controller is installed and set up, there is no need for any kind of maintenance other than dust cleanup to avoid the build up of debris on the heat exchanger.

Lift Parts Warehouse offers unparalleled, highly specialized, and very quick repair service for Curtis models 1221, able to pick up the controller from anywhere in the US and have it fixed and ready to be sent back to you within just three days of time. For the repair, we are using original parts and the manufacturer’s instructions on the procedure, ensuring that the controller will operate exactly as per its nominal specifications.
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1221-4801 24/36V 600A (0-5K) PMC 1221-4801 24/36V 600A (0-5K) Pmc

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1221-4802 24/36V 600A (0-5V) PMC 1221-4802 24/36V 600A (0-5V) Pmc

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1221-4803 24/36V 600A (5K-0) PMC 1221-4803 24/36V 600A (5K-0) Pmc

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1221-4804 24/36V 600A (0-5K) PMC 1221-4804 24/36V 600A (0-5K) Pmc

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1221-5701 36/48V 550A PMC 1221-5701 36/48V 550A Pmc

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1221-5702 36/48V 550A PMC 1221-5702 36/48V 550A Pmc

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1221-5703 36/48V 550A (5K-0) PMC 1221-5703 36/48V 550A (5K-0) Pmc

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1221-5705 36/48V 550A (0-5K) PMC 1221-5705 36/48V 550A (0-5K) Pmc

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1221-6601 48/72V 500A (0-5K) PMC 1221-6601 48/72V 500A (0-5K) Pmc

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1221-6602 48/72V 500A (0-5K) PMC 1221-6602 48/72V 500A (0-5K) Pmc

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1221-6603 48/72V 500A (0-5V) PMC 1221-6603 48/72V 500A (0-5V) Pmc

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1221-6A701 48/80V 550A PMC 1221-6A701 48/80V 550A Pmc

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1221-6A702 48/80V 550A (0-5K) PMC 1221-6A702 48/80V 550A (0-5K) Pmc

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1221-6A703 48/80V 550A (0-5K) PMC 1221-6A703 48/80V 550A (0-5K) Pmc

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1221-6A704 48/80V 550A (0-5K) PMC 1221-6A704 48/80V 550A (0-5K) Pmc

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1221-7401 72/120V 400A (0-5K) PMC 1221-7401 72/120V 400A (0-5K) Pmc

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1221-7402 72/120V 400A (0-5V) PMC 1221-7402 72/120V 400A (0-5V) Pmc

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1221-7403 72/120V 400A (0-5V) PMC 1221-7403 72/120V 400A (0-5V) Pmc

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1221-7404 72/120V 400A (6-11V) PMC 1221-7404 72/120V 400A (6-11V) Pmc

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1221-7405 72/120V 400A (0-5K) PMC 1221-7405 72/120V 400A (0-5K) Pmc

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1221-7406 72/120V 400A (0-5V) PMC 1221-7406 72/120V 400A (0-5V) Pmc

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1221B-4801 24/36V 600A (0-5K) PMC 1221B-4801 24/36V 600A (0-5K) Pmc

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1221B-4803 24/36V 600A (0-5K) PMC 1221B-4803 24/36V 600A (0-5K) Pmc

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Our Price: $571.82
1221B-5701 36/48V 550A (0-5K) PMC 1221B-5701 36/48V 550A (0-5K) Pmc

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1221B-5702 36/48V 550A (6-11V) PMC 1221B-5702 36/48V 550A (6-11V) Pmc

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1221B-5703 36/48V 550A (5K-0) PMC 1221B-5703 36/48V 550A (5K-0) Pmc

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1221B-5704 36/48V 550A (5-10V) PMC 1221B-5704 36/48V 550A (5-10V) Pmc

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1221B-5705 36/48V 550A (0-5K) PMC 1221B-5705 36/48V 550A (0-5K) Pmc

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1221B-5706 36/48V 550A (5K-0) PMC 1221B-5706 36/48V 550A (5K-0) Pmc

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1221B-5707 36/48V 550A (5K-0) PMC 1221B-5707 36/48V 550A (5K-0) Pmc

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1221B-6601 48/72V 500A (0-5K) PMC 1221B-6601 48/72V 500A (0-5K) Pmc

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1221B-6602 48/72V 500A (0-5V) PMC 1221B-6602 48/72V 500A (0-5V) Pmc

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1221B-6603 48/72V 500A (0-5V) PMC 1221B-6603 48/72V 500A (0-5V) Pmc

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1221B-6604 48/72V 500A (0-5K) PMC 1221B-6604 48/72V 500A (0-5K) Pmc

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1221B-7401 72/120V 400A (0-5K) PMC 1221B-7401 72/120V 400A (0-5K) Pmc

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1221B-7402 72/120V 400A (0-5K) PMC 1221B-7402 72/120V 400A (0-5K) Pmc

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1221B-7403 72/120V 400A (0-5K) PMC 1221B-7403 72/120V 400A (0-5K) Pmc

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1221B-7404 72/120V 400A (0-5V) PMC 1221B-7404 72/120V 400A (0-5V) Pmc

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1221B6A701 48/80V 550A (0-5K) PMC 1221B6A701 48/80V 550A (0-5K) Pmc

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1221B6A702 48/80V 550A (0-5V) PMC 1221B6A702 48/80V 550A (0-5V) Pmc

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1221C-7401 72/120V 400A (0-5K) PMC 1221C-7401 72/120V 400A (0-5K) Pmc

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1221C-7402 72/120V 400A (0-5K) PMC 1221C-7402 72/120V 400A (0-5K) Pmc

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1221C-7403 72/120V 400A (0-5K) PMC 1221C-7403 72/120V 400A (0-5K) Pmc

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Our Price: $927.27