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Switches and Lighting Control, Occupancy Sensor, Control Unit, 120/277V AC, Heavy Duty Relay, Latching

By Hubbell Wiring Device-Kellems 

Catalog ID: CU300HD

By Hubbell Wiring Device-Kellems
Catalog ID:  CU300HD
Switches and Lighting Control, Occupancy Sensor, Control Unit, 120/277V AC, Heavy Duty Relay, Latching

The CU300 series provides 24V DC power supply for sensors or sensor/Add-A-Relay combinations.The control units contain an internal relay for the control of an external load. Control units are plenumrated cULus Listed.

  • Robust latching relay provides unsurpassed and unrestricted performance
  • Controlled by Hubbell occupancy sensors
  • Auto or manual "ON" operation
  • Powers up to six low voltage sensors
  • Plenum rated
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Product Details


Color Black
Humidity 0% to 95% non-condensing relative humidity
Item Type Control Unit
Material Thermoplastic
Operating Temperature 32 Deg F to 104 Deg F (0 Deg C to 40 Deg C)
  • Electrical - AT Sensor/AAR Capacity - 1 to 6 combined
  • Electrical - Load Capacity - 20A 100-277V, 1HP @ 120V AC, 2HP @ 240/277V
  • Electrical - Motor Loads - 1HP @ 120V, 2HP @ 240/277V
  • Electrical - Power Output - 24V DC 250mA
  • Electrical - Power Supply - 100-277V AC, 50/60 Hz
  • Electrical - Relay - Heavy duty, magnetic latching. Silver alloy contacts. Very low standby power consumption
  • Environmental - Flammability - UL 94-5VA
  • Environmental - Operating Temperatures - -40°F (-40 °C) to 149°F(65 °C). Below 32°F (0°C) must use suitably rated non-metallic enclosure. 0% to 90% humidity, non-condensing.
  • Dual
  • Ultrasonic
  • Passive Infrared
  • Wall Mount
  • Ceiling Mount
  • High/Low Bay PIR
  • Control Units
Storage Temperature Range -20°F to 150°F (-29°C to 65°C)
  • Control Units
  • Wired
Type Accessories
UPC 783585256207


Dimensions 4 in x 3.4 in x 1.73 in
Height 1.73 in
Length 4 in
Width 3.4 in

Electrical Ratings

Frequency Rating 50/60 Hz
Voltage Rating 120/277 VAC
Voltage Rating Description 24V DC

Certifications and Compliance

Industry Standard(s)
  • ASHRAE 90.1 Compliant
  • UL2043 Plenum Rated Per NEC® 2014 300.22(C)(3)


Carton Quantity 10