The Model KBSI-240D Signal Isolator provides an isolated interface between non-isolated signals and KB motor speed controls. Signal sources include process controllers transducers microprocessors and programmable controllers. The maximum output voltage of the KBSI is 10 volts which is a linear function of the input. The unit is versatile since a single model accepts a wide range of voltage (0-25 0-120 and 0-550VDC) and current (1-5 4-20 and 10-50mA) signals multi-turn trimpots are provided for Min and Max. The KBSI can be operated from either 115V or 230VAC 50/60Hz.Dimensions:2.7" x 4.8" x 1.1".Models where used:KBMMKBICKBCCKBPBKBPCKBRGKBWD