Brand: NITRA Item: Electrical connection module IP Rating: IP65 For Use With: PAL series Requires: PAL series 25-pin male D-sub control cable Voltage Rating: 12-24 VDC External Power Requirement: 12-24 VDC Number of Solenoids: 21 NITRA electrical connection module, 12-24 VDC, (21) solenoid(s), IP65. For use with PAL series. Requires PAL series 25-pin male D-sub control cable.