Explosion Proof Automatic Timer - Class I, II, III - 480V AC, 3-phase - 30-Min Timer, Green/Red Push Button - NEMA


Sale price$4,958.99


Specifications / Additional Information
EXP-AT-SG-3PH-MIN.30-480V Automatic Timer Push Button Ratings/Approvals
Listing: NRTL Listed for United States and Canada Class I, Divisions 1&2 Groups C,D
Unit Type: Solid-state Explosion Proof Automatic Timer Class II, Divisions 1&2 Groups E,F,G
Dimensions: 11" x 3.5"x 3.06" Class III
Voltage: 480V AC NEMA 3,7(BCD),9(EFG),12
Phase: 3-phase  
Push Buttons: (1) Green/Start, (1) Red/Stop-Reset  
Timer Setting (Factory Configured): 30 Minutes
Amps: 4.25A
Horsepower Rating: 2 HP
Ambient Operating Temp: -40 °F to 104 °F (-40 °C to 40 °C)
Unit Materials: Copper-free Cast Aluminum Toll Free: 1-800-369-6671
Mounting: External Mounting Lugs on Body
Hub Quantity: (2) Feed Through or (1) Dead End
Hub Size: 1/2" or 3/4"
' Product Overview '
Made in Texas The Larson Electronics EXP-AT-SG-3PH-MIN.30-480V Explosion Proof Automatic Timer provides timed controls for equipment in combustible work sites and locations. Designed to operate on three-phase 480V AC, the 30-minute timer features two push buttons and solid-state construction. This device is made out of copper-free aluminum and takes on a NEMA rating for durability in rugged environments. The EXP-AT-SG-3PH-MIN.30-480V offers robust timing control of equipment. This unit is equipped with two push buttons: green (start) and red (stop/reset). With a durable solid-state design, the device is factory-configured for 30 minutes. Operators can start the timer by pressing the green push button. It is possible to stop the timer early (before 30 minutes) by pressing the red push button. When stopping the timer early, it is not possible to resume the rest of the cycle, as this action will also reset the timer. When the timer is reset due to early stoppage, operators can press the green push button to start a new 30-minute cycle. The EXP-AT-SG-3PH-MIN.30-480V is constructed of copper-free cast aluminum for superior performance and durability. These explosion proof units are not factory sealed and require external sealing fittings. Operating temperature is -40 °F to 104 °F (-40 °C to 40 °C). The explosion proof timer is designed for Class I, Division 1 and 2; Class II, Division 1 and 2; and Class III environments. Voltage: The explosion proof timer operates on three-phase 480V AC. Hubs: This explosion proof unit is available with either 1/2" or 3/4" NPT tapped hubs. The conduit openings are provided on the top and bottom of the unit in feed through versions, while dead-end versions have a single conduit hub, providing easy and secure connection to main power line supplies. Mounting: Four external mounting lugs provide simple and secure mounting of the unit to walls and flat surfaces. Suggested Applications: Manufacturing, Industrial, Warehouse, Lighting, Lighting, Wet areas or Locations Where Combustible Dust is Present. This switch can be used with fans, motors, heaters, and lighting (including incandescent, halogen, compact fluorescent, tungsten, and LED lighting loads).

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