The GMX series time switches are universal mechanical time switches. They are a low cost alternative for applications that do not require more than 21 A or 2 HP @ 240 VAC. The timer is mounted in a UL Type 1 indoor or Type 3R outdoor plastic enclosure. The GMX is a light-duty commercial time switch ideal for 24, 120 or 208/240 VAC single-phase general applications. Features: 21 A SPDT SwitchUL Type 1 indoor or Type 3R outdoor plastic enclosureManual 3-way overrideCaptive trippers with 15-minute intervals on 24-hour models and 2-hour intervals on 7-day modelsTrue clock face, easy to setFinger-safe terminalsEnclosure provides space for field-added contactor or other accessories Specifications: Manufacturer: IntermaticManufacturer Part Number: GMXST-I-240Product Type: Electromechanical TimerVoltage Rating: 208-240 VFrequency Rating: 60 HzCurrent Rating: 21 AMotor Load Ratings Range: 1 HP, 120 VAC; 2 HP, 250 VACResistive Load Rating: 21 A, 250 VAC, 60 Hz Tungsten (NO) Load Rating: 1350 W, 120 VAC, 60 HzShortest Switching Time (ON/OFF): 15 MinutesMinimum Cycle Time: 15 minutesMaximum Cycle Time: 24 HoursTiming Interval: 15 minutesSwitch Type: SPDTClock Drive Type: Synchronous Operating Humidity: 0 to 95%, Non-condensingOperating Temperature Range: -40 to 185 Degrees FWiring Option: Screw terminal accepts up to #12 AWG wireMounting Options: WallDimensions: 7.4" x 10.6" x 4.3"Weight: 3.0 lb. Catalog Page User Guide