PRUMLFLKF 36/48V Motor Controller Compatible with Curtis 1268-5403

This PRUMLFLKF motor controller (PRUMLFLKF111) is described as a replacement compatible with Curtis 1268-5403 motor controller applications. It supports nominal input voltages of 36 V or 48 V and uses a 16 kHz PWM operating frequency for motor speed regulation. The unit carries IP64 and IP67 environmental ratings for dust and water resistance and specifies electrical isolation to the heatsink of 500 V AC minimum. The source lists the unit weight as 4.0 kg and cites manufacturer part number 1268-5403 alongside the PRUMLFLKF111 identifier.