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ELECTRIC VEHICLE CONTROLLERS LTD.
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PM4Q Controller High Frequency Mosfet Controller with Regenerative Braking for Permanent Magnet Motors
PM4Q is suitable for transpallet, cleaning machines, sweeps and small utility vehicles, fitted with DC Permanent Magnet Motors between 300W - 800W.
External direction contactors are not required with this unit. It is therefore possible to achieve static direction inversion and regenerative braking.
General Features:

Mosfet Technology - High frequency, noiseless switching providing low energy commutation and low voltage drop
Static inversion and energy recuperation - Reduced maintenance - Higher reliability • Microprocessor Logic: safety and flexibility
Regenerative Braking - Reduced braking distance - Lower commutator heating
Speed control - The speed is stable in every condition (tolerance +/- 5%) especially on gradients or during accelerator pedal release
Anti roll back - On the gradient full power is provided in order to avoid truck roll back • Alarms memory
Faults diagnosis: using a flashing led and/or by means of a digital console • Digital calibration: simplifies the controller installation and/or substitution. Once the settings are stored in the console, data transfer from the console to the controller is quick, safe and easy • Adaptability and flexibility
Protection against reverse battery polarity (internal relay) • Automatic speed regulation with energy recuperation • Digital setting through the console
Internal hour meter displayed in the console • BDI • Chopper temperature shown in the console • Tester function in the console • Thermal protection
Low battery protection • Serial Link • Settings: - acceleration, braking, max speed, current
Options:
Electromechanical brake driver • Hourmeter • Electrovalve or pump contactor drivers
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Supply Voltage 24V
Maximum current: 70A - 90A
Current Booster
Switching Frequency: 8KHz
LED & Console Diagnostics
Protection IP54
Safety in accordance with European Standards
Dimensions: 210 x 140 x 48mm
Technical Specifications:
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PM1 Controller
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