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Convenience & Safety Product Type
Convenience - Lighting
Sensor Type
Contact Closure
Contact Closure / Relay
240V Capable
LED Feedback
Normal State
Normally Open
110V AC
120V AC
220V AC
240V AC
277V AC
Ease of Installation
Advanced (Installs > 60 minutes)
Functional Devices
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Automatically Turns Lights On When Door is Opened
Functional Devices CLC212 10A Closet Light Controller, Normally Open
Functional Devices CLC212 10A Closet Light Controller, Normally Open
Functional Devices CLC212 10A Closet Light Controller
Item# 55903
Price: Normally $40.82 
Hot Deal $33.71
Free shipping on orders over $175 - See Details


  • Eliminates fumbling for a switch in a dark closet
  • On/off status is determined by the opening or closing of a variety of switches
  • Excellent for new construction

Essential Info

Functional Devices' CLC212 makes your life easier by automatically turning on a light when you open your closet or another door. This simple-to-install unit is designed to switch a lighting load (ON/OFF) determined by the opening or closing of a variety of switches (door jam switches, magnetic switches, ball switches, etc). Perfect for new construction, this UL listed unit needs no transformer and connects to the relay using light 18 AWG wire. This 10 Amp device operates on any device from 120 Vac to 277 Vac.

This item is also available as a Normally Closed switch.


What's Included

  • 1x - Controller unit
  • Specifications

    Product Specs
    # Relays & Contact TypeOne (1) SPST Continuous Duty Coil
    Expected Relay Life10 million cycles minimum mechanical
    Operating Temperature-30 to 140° F
    Relay StatusLED On=Activated
    Dimensions1.70" x 2.80" x 1.50" with .50" NPT Nipple
    Wires16", 600V Rated
    ApprovalsUL Listed, UL916, C-UL, CE
    Housing RatingPlenum, NEMA 1
    Gold FlashNo
    Override SwitchNo
    Contact Ratings10 Amp General Use @ 277 Vac
    1/2 HP @ 125 Vac
    1 HP @ 250 Vac
    1/4 HP @ 277 Vac
    470 VA Pilot Duty @ 125 Vac
    770 VA Pilot Duty @ 250 Vac

    Important notes:
    Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
    Manufacturer contact information: Functional Devices Inc, Tel: (765) 883-5538


    3 Ratings
    5 star: 67%  (2)
    4 star: 0%  (0)
    3 star: 33%  (1)
    2 star: 0%  (0)
    1 star: 0%  (0)
    Average Customer Rating
    (3 customer ratings)
    Share your thoughts with other customers
    Jeff M -- narragansett, RI   9/28/2013
    Great to turn on closet lights. Note that normally means the light is off. When the door is closed a N.O. magnetic switch is against the magnet and the low V contact is open, the light turns off. When the door is opened, the N.O. open magnet contact is closed and the light is on.
    JULIA -- ridgway, CO   3/21/2012
    In my recently built home motion de- tectors were used which I did not want and HATE! Your products solved my problems and a friend of mine was able to install them rather than an electrician. Thank you, thank you.
    CHRISTOPHER -- raymore, MO   7/12/2011
    Works fine, but documentation lists a Normally-Closed switch is needed, which is wrong. A normally-open switch is needed.

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