help 242 miles controller blew up

[buddy64]

need replacement part. electric bike motor controllers 48v 1000w lcd display? part number kt48zwslt-lcd. haven't got it hot charged up battery 50.36. plugged up controller big arc and would not work. was doing some troubleshooting , with only 2 phase wires hooked up wheel was hard to turn .unplugged phase wires it would turn easy. had all other wires unplugged .power wires were unplugged 2. any ideals what may have happened.

 

[d8veh]

You can get them from BMSBattery.com. For a sensored motor, S12S is about 25 amps, S12SH is 32 amps. For sensorless motors, it's the S12P 30 amps