JR Products 12785 Black/Black SPST Mini On/Off Switch SPST, 16 Amp @ 125 VAC, 16 Amp @ 250 VAC, 3/4 H.P. @ 125-250 VAC, 10 Amp @ 14 VDC UL/CSA/VDE approved Black Cutout: 0.756 x 0.508 Switch: 0.745 x 0.500 Cut Out Dimensions = .756 x .508 Switch Dimensions = .745 x .500