Home / MOTOR CONTROLLERS / Permanent Magnet Controllers / Alltrax SR-48500 Series Motor Controller (SR48500) Alltrax SR-48500 Series Motor Controller (SR48500)$609.00 Tell me about your throttle * :- Voltage * :- 12 Volt 24 Volt 36 Volt 48 Volt Throttle Type * :- 0-5K 2-Wire 0-5K 3-Wire 5K-0 2-Wire 5K-0 3-Wire 0-5V Pump Mode Other Add Optional Solenoid :- MZJ-400 w/ Diode & Resistor ($127.00)