1.061 cu. in.; moderately rugged; 115 vdc or 28 vdc, 10 amps resistive, 8 amps inductive, 4 amps motor, 2 amps lamp; input 20-30 vdc; continous duty; 180 sec time delay; 3 slotted holes on an isosceles triangle, parallel to lg 1.446 in. nom, parallel to wdth 0.625 in. nom