Home / MOTOR CONTROLLERS / Permanent Magnet Controllers / Alltrax SR-72500 Series Motor Controller (SR72500) Alltrax SR-72500 Series Motor Controller (SR72500)$827.00 Add Optional Solenoid :- SW200 w/ Diode & Resistor ($132.00) Voltage * :- 12 Volt 24 Volt 36 Volt 48 Volt 72 Volt Throttle Type * :- 0-5K 2-Wire 0-5K 3-Wire 5K-0 2-Wire 5K-0 3-Wire 0-5V Pump Mode Other Tell me about your throttle :-