Cole Hersee Company, Boston, introduced momentary push-button switches for truck applications. Two switches now have added lip-seals, making them waterproof and preventing ingress of moisture and ...

BOSTON, Mass. — Cole Hersee Company introduces its new momentary push-button switches for truck applications. Two popular Cole Hersee switches now have added lip-seals, making them waterproof and ...

This circuit allows an SPST momentary pushbutton to act as a push-on push-off switch, using a DPDT latching (bi-stable) relay. It was originally intended to allow a single pushbutton switch on the ...

This is an improved version of Anthony Smith’s designs for a latch on/latch off switch (see the whole series below). The new design switches a 120VAC load, and includes several much-needed details on ...