Actuator Kit, Overall Length Not Applicable, Overall Height 3 in, Overall Width 2 3/4 in, Product Type External Actuator Kit, Compatible with Grainger Part Number 48C159, 48C160, 48C161, 48C162, Compatible with Manufacturer Model Number RBDR-50-10-DAY, RBDR-50-12-DAY, RBDR-50-6-DAY, RBDR-50-8-DAY, Nameplate Voltage 9V DC, Includes Mounting Hardware, Fusible Link Temperature Not Applicable, Stem Force 22.5 lb, Overall Depth 3 1/4 in, Compatible with Series RBD, RBDR