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4QD DNO-005 12-36V 50A Speed Controller
Price: $189.99
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Availability: Available
4QD Item #: DNO-005-boxed -

Description The DNO is a popular mid-sized motor control with built-in reversing suitable for use in 12V to 36V applications. Features - 12V, 24V, and 36V operation easily selectable by internal link [default is 24V]. 48V operation is possible, see notes in specification tab. - Built-in heavy duty reversing relays. - Integral box and heatsink [suitable for most applications]. - Timed over load trip [controller switches off if high current is sustained]. - Reverse battery protection. - Gain...

4QD DNO-010 12-36V 100A Speed Controller
Price: $219.99
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Availability: Available
4QD Item #: DNO-010-boxed -

Description The DNO is a popular mid-sized motor control with built-in reversing suitable for use in 12V to 36V applications. Features - 12V, 24V, and 36V operation easily selectable by internal link [default is 24V]. 48V operation is possible, see notes in specification tab. - Built-in heavy duty reversing relays. - Integral box and heatsink [suitable for most applications]. - Timed over load trip [controller switches off if high current is sustained]. - Reverse battery protection. - Gain...

4QD PRO-120 24V Speed Controller
Price: $299.99
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Availability: Available
4QD Item #: PRO120-24 -

Description The Pro-120 Mk2 is the culmination of the analogue Pro and NCC series development. It is designed principally for 24V operation but variants for 12V, 36V, and 48V have been produced. The Pro-120 has been fitted to a multitude of applications including, mobility scooters, golf buggies, miniature railways, childrens electric cars, floor cleaners, caravan shifters and vehicle loaders. Features - Adjustable acceleration and deceleration ramps. - Gain adjustment [for setting top...

4QD PRO-120 36V Speed Controller
Price: $311.99
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Availability: Available
4QD Item #: PRO120-36 -

Description The Pro-120 Mk2 is the culmination of the analogue Pro and NCC series development. It is designed principally for 24V operation but variants for 12V, 36V, and 48V have been produced. The Pro-120 has been fitted to a multitude of applications including, mobility scooters, golf buggies, miniature railways, childrens electric cars, floor cleaners, caravan shifters and vehicle loaders. Features - Adjustable acceleration and deceleration ramps. - Gain adjustment [for setting top...

4QD PRO-150 Speed Controller - Board Only
Price: $279.99
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Availability: Available
4QD Item #: PRO-150b -

Probably the most user-friendly programmable motor controller available. Programming is easy, using the (optional) low-cost combined display / programmer unit. Features - Will function as a standard controller without any programming. - Optional display shows system state and battery voltage. - Programmable control over many features including: - Acceleration. - Deceleration. - Maximum power. - Dead band. - Sounder [for reversing and audible problem alert] - Pot learning feature allows: -...

4QD PRO-150 Speed Controller - Boxed
Price: $299.99
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Availability: Available
4QD Item #: PRO-150-boxed -

Description Probably the most user-friendly programmable motor controller available. Programming is easy, using the (optional) low-cost combined display / programmer unit. Features - Will function as a standard controller without any programming. - Optional display shows system state and battery voltage. - Programmable control over many features including: - Acceleration. - Deceleration. - Maximum power. - Dead band. - Sounder [for reversing and audible problem alert] - Pot learning feature...

4QD PRO-150 Speed Controller - Complete
Price: $324.99
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Availability: Available
4QD Item #: PRO-150-complete -

Description Probably the most user-friendly programmable motor controller available. Programming is easy, using the (optional) low-cost combined display / programmer unit. Features - Will function as a standard controller without any programming. - Optional display shows system state and battery voltage. - Programmable control over many features including: - Acceleration. - Deceleration. - Maximum power. - Dead band. - Sounder [for reversing and audible problem alert] - Pot learning feature...

4QD-200 24V-60V 300A Speed Controller
Price: $399.99
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Availability: Available
4QD Item #: 200-48 -

The 4QD-200 is a heavy duty motor controller for currents up to 230A. Features - 4 quadrant operation - Gain adjustment. - Adjustable acceleration and decelerationramps. - Input by 1k ohm to 22k ohm potentiometer, direct voltage -control, or PWM control by Pi or Arduino etc. - Regenerative braking [can be disabled]. - Reversing. - Over temperature shutdown. - Battery discharge protection. - Pot fault protection. - High Pedal Lock-out. - Inhibit input for interlock with mechanical brake,...

4QD-300 24V-60V 300A Speed Controller
Price: $499.99
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Availability: Available
4QD Item #: 300-48 -

The 4QD-300 is a heavy duty motor controller for currents up to 300A. Features - 4 quadrant operation - Gain adjustment. - Adjustable acceleration and decelerationramps. - Input by 1k ohm to 22k ohm potentiometer, direct voltage -control, or PWM control by Pi or Arduino etc. - Regenerative braking [can be disabled]. - Reversing. - Over temperature shutdown. - Battery discharge protection. - Pot fault protection. - High Pedal Lock-out. - Inhibit input for interlock with mechanical brake,...

4QD-300 24V-60V 300A Speed Controller with Finned Heatsink
Price: $599.99
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Availability: Available
4QD Item #: 300-48X -

The 4QD-300 is a heavy duty motor controller for currents up to 300A. Features - 4 quadrant operation - Gain adjustment. - Adjustable acceleration and decelerationramps. - Input by 1k ohm to 22k ohm potentiometer, direct voltage -control, or PWM control by Pi or Arduino etc. - Regenerative braking [can be disabled]. - Reversing. - Over temperature shutdown. - Battery discharge protection. - Pot fault protection. - High Pedal Lock-out. - Inhibit input for interlock with mechanical brake,...

4QD-300 24V-60V 300A Speed Controller with Liquid-Cooled Heatsink
Price: $625.99
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Availability: Available
4QD Item #: 300-48L -

The 4QD-300 is a heavy duty motor controller for currents up to 300A. Features - 4 quadrant operation - Gain adjustment. - Adjustable acceleration and decelerationramps. - Input by 1k ohm to 22k ohm potentiometer, direct voltage -control, or PWM control by Pi or Arduino etc. - Regenerative braking [can be disabled]. - Reversing. - Over temperature shutdown. - Battery discharge protection. - Pot fault protection. - High Pedal Lock-out. - Inhibit input for interlock with mechanical brake,...

Porter PT2-05 Single-Direction 12-48V 50A Speed Controller
Price: $99.99
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Availability: Available
4QD Item #: PT2-05X -

Description The Porters are tough, low cost, single direction controllers that can work from 12V to 48V without adjustment. Particularly suitable for karts, golf caddies, electric bikes, equipment handling, and industrial applications, they are designed to be simple to install and use, and have very simple wiring. They are also often used to give a soft start. Features - Adjustable acceleration and deceleration ramps allow smooth, controllable performance. - Integral box and heatsink. -...

Porter PT2-10 Boxed Single-Direction 12-48V 100A Speed Controller
Price: $119.99
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Availability: Available
4QD Item #: PT2-10boxed -

Description The Porters are tough, low cost, single direction controllers that can work from 12V to 48V without adjustment. Particularly suitable for karts, golf caddies, electric bikes, equipment handling, and industrial applications, they are designed to be simple to install and use, and have very simple wiring. They are also often used to give a soft start. Features - Adjustable acceleration and deceleration ramps allow smooth, controllable performance. - Integral box and heatsink. -...

Porter PT2-10XX Single-Direction 12-48V 100A Speed Controller
Price: $129.99
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Availability: Available
4QD Item #: PT2-10XX -

Description The Porters are tough, low cost, single direction controllers that can work from 12V to 48V without adjustment. Particularly suitable for karts, golf caddies, electric bikes, equipment handling, and industrial applications, they are designed to be simple to install and use, and have very simple wiring. They are also often used to give a soft start. Features - Adjustable acceleration and deceleration ramps allow smooth, controllable performance. - Integral box and heatsink. -...