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ETC Automatic Load Control Relay (PP) (7180A1205)

ETC Automatic Load Control Relay (PP) (7180A1205)

Part Number: ETC ALCR-PP

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ETC Automatic Load Control Relay (PP) (7180A1205)

The Automatic Load Control Relay (ALCR) is a UL 924 listed emergency device that is powered from an always-available normal / emergency source fed by an upstream emergency transfer switch. The ALCR provides power to emergency lighting load(s) by bypassing switches or other controls upon loss of utility power and ensuring a "lights-on state" during loss of normal power while tracking the state of normal lighting loads during normal operation.


  • Applications:
    • Conference Centers
    • Hotels
    • Dorms
    • Office buildings
    • Government buildings
    • Restaurants
    • Schools
    • Houses of worship
    • Theaters
  • General:
    • 120V and 277V power systems
    • Automatically activates lighting upon loss of normal power
    • Provides remote activation by dry contact closure for connection to a fire alarm or building management system
    • Configurable "return-to-normal" delay of 0-15 minutes
    • Simple installation; fitted with a 1/2" nipple for permanent installation directly to an electrical junction box
    • Maintenance-free
  • General:
    • UL 924 Listed
    • UL 2043 plenum rated
  • Functional:
    • Automatic control of emergency power output to fixture or single-zone emergency lighting upon loss of normal power
    • Supports fire alarm input activation of emergency power output
    • Configurable return to normal delay settings of instant, 10 seconds, 30 seconds, 10 minutes, or 15 minutes
  • Mechanical:
    • 1/2" conduit knockout mounted
    • Constructed of UL 94 V-0 approved injection-molded ABS
    • Remote and status LEDs
    • Two buttons shall be available to select optional return to normal delay and output test
  • Electrical:
    • 120/277 VAC, 60Hz power input
    • Normally closed (NC), 20A fully-rated relay
    • 2 LEDs:
      • Red: Power (steady when active)
      • Green: Learn (blinks when active)
    • 12 AWG emergency power in and out wires on flying leads
    • 18 AWG sense and switch wires on flying lead
    • Remote activation switch can be located up to 1000 feet from ALCR
  • Thermal:
    • Ambient room temperature: -10 to 45°C / 14 to 113°F
    • Ambient humidity: 5 to 95% non-condensing
  • Physical:
    • Dimensions (L x W x H): 1.96 x 3.60 x 1.93" (50 x 92 x 50mm)
    • Product Weight: 0.875 lbs (0.397 kgs)
    • Shipping Weight: 0.95 lbs (0.431 kgs)

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