APEM Toggle Switch, Panel Mount, On-(On), SPDT, Screw Terminal, 400V ac

Single and double pole switches with a choice of flat insulated or nickel plated brass levers.
12mm mounting bush
250 ( 1/4 in.) terminals
Brass actuator and Melamine/Polyester case
Silver/Nickel Alloy contacts

For biased switches (on) refers to momentary (on) position