Harsh Environment Connectivity Solutions

Open Frame Rear Mount Switch

Momentary open frame rear mount switches feature leaf springs, insulating spacers, notched insulating washers and plated copper alloy bushing assembled into a rugged, reliable, long-life switch. They have integral .25 A contacts intended for low power switching. Red and black pushbuttons, solder lug terminals and choice of 1-A, 1-B or 1-C switching are standard.


Switches mount from rear in panels up to .250 inch (6.35 mm) thick in .375 inch (9.52 mm) diameter holes. Locknuts and washers are supplied.


Bushing: Copper alloy, plated.

Pushbutton: Molded plastic, integral with shaft.

Insulation: Rigid plastic.

Springs: Copper alloy.

Contacts: Integral contacts are standard. (Series 100, 200) .250 A, 30 W maximum, AC, non-inductive load;  3A, 300 W maximum AC, non-inductive load.

Washer: Steel, plated, S10221.

Locknut: Copper alloy, plated, P10001.