Intermatic FF12HHC Timer, Intermatic FF Series, SPST, Spring Wound, 12 Hr, 20AFF Series Commercial Auto-Off Timers are designed to replace any standard wall switch - single or multi-gang. This series of energy-efficient mechanical timers do not require electricity to operate. In addition, they automatically limit the ON times for fans, lighting, motors, heaters, and other energy consuming loads. Features Hold feature enables the user to override the automatic shut-off function Rugged time dial plate easily withstands the abuse encountered in commercial environments Commercial &ldquobrushed metal&rdquo (plastic construction) look meets NEC requirements Time saving up front terminal connection with teeter-type terminals Press-on knob design ensures quick and easy installation CFL compatible Not for use with sunlamps, saunas, or loads that could cause personal injury if timed incorrectly. Ratings Resistive:            20 Amp, 125 VAC, 50/60 Hz                                       10 Amp, 250 VAC, 50/60 Hz                                       10 Amp, 277 VAC, 50/60 Hz Tungsten:                        7 Amp, 125 VAC Motor:                             1 HP, 120 VAC, 50/60 Hz                                       2 HP, 240 VAC, 50/60 Hz Dimensions:                    2.79" H x 1.6" W x 1.19" D