4QD series 4QD-300-36 and 4QD-300-48 controllers Instruction Manual
■Introduction
●This manual covers the 4QD-300 series of heavy duty controllers (up to 300A) for 24v, 36v and 48v battery operated motors. The controllers are fully electronic giving control of the motor in all four 'quadrants' - that is forward and reverse, acceleration and braking - so they use no relays or mechanical switches, increasing reliability. All internal connections and wiring are rated to carry full current so the controller continuous ratings are only limited by external heat dissipation. Moreover the substantial built-in heatsink is designed so that additional heat sinking can be added in the unlikely event it is required.
●The controllers use state-of-the-art MOSFET power transistors which are 'chopped' on and off very rapidly to give ultra-smooth speed control with minimum losses for best control with minimum heating in controller, motor and wiring.
●During braking a large proportion of the braking energy is returned to the battery, helping to reduce battery drain and extend the time between charges.
●Power connections are by substantial M8 screw terminals.
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4QD series 、 4QD 、 4QD-300-36 、 4QD-300-48 、 4QD-300 series 、 4QD-300 |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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29th January 2015 |
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295 KB |
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