The RBK Series is a dc-input microstepping driver and an IP65-rated, two-phase stepping-motor in one package. The microstepping driver features a smooth-drive function for low-vibration operation. The unit features a constant-current driver with a 20 to 75-Vdc voltage range and a maximum 4.5-A/phase effective value (6.3 A/phase peak value).

Oriental Motor U.S.A. Corp., 1001 Knox St., Torrance, CA 90502, (310) 715-3301,