19108A6

The 191 series push-button start motor driven Analogue Electric Timer with cycle progress pointer, double make-double break snap action switch and is used to energize a load for a preset time period. The pushbutton is located in the centre of the time set pointer knob on the panel mounted dial. When depressed momentarily, a mechanical latch and switch is engaged, starting the motor and timing period. After completion of timing, switch 3 and 4 open, 1 and 2 close, motor stops and timer resets to setpoint. Timer is now ready for another timing operation. The standard timer has cycle progress and a 3-5/8-inch square bezel with window.