6600 Round Surface ≥ 54″ Backlighted

54″/137CM-96″/244CM BACKLIGHTED

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Part Number: 66XX Large.
Category: .

Surface Mounted Canister tower clock design available in sizes from 54″ to 96″. For 48″ and smaller sizes see Style 6600 Smaller. Features include:

  • Completely weathertight ready to mount to the surface of a wall or recessed mounting.
  • 2700K LED backlighting with 110 volt 50/60HZ power required
  • 3200K (off white), 4100K, 110-277 power supply and dimmer options.
  • For square see Style 3600.
  • Shown with Type “MS-A” hands and Type “RB” markings.
  • Available with any of our dial markings and hands, or ones of your own design.
  • Also available with color-changing RGB LEDs
  • Larger or custom shapes available on special order.

Tower Clock UL and CUL ListingUL & CUL Listed
Electric Time Company lists its tower clocks under both UL and CUL (Canadian UL) standards.

99B Control required for operation.

Additional information available in the documentation tab above.



CSI Specifications


1.01 Section Includes

A. Tower Clock Components and Remote Control System.

B. Related Sections

– Basic Materials and Methods: All raceways, junction boxes, conduit wire to be provided by electrical contractor.



A. Furnish complete clock system consisting of (N) tower clock and (1) remote control system.

 “N” is the quantity of clocks.

B. Manufacturer: Electric Time Company, Inc., 97 West Street, Medfield, MA, USA (508)-359-4396/(800)-531-2562 FAX (508)-359-4482. electrictime.com sales@electrictime.com

C. Tower Clock Components

Dial: Single sheet (not pieced) tran­sluc­ent mil­ky-white acrylic.

Finishes: Dial markings to have a matte black finish,  case,  and hands to have a black polyurethane finish.

Hands: As selected by architect.

Dial Markings: As selected by architect.

Illumination: Backlit with white LEDs and their associated LED drivers.

Listing: Provide UL 48 listing on clock assembly.

Crystal: No crystal – exposed hands.

Movement: Style C1G3-MI Design. 24VAC drive motor and electronics. 8 second maximum run time. Alternating hall effect switched closed loop minute impulse operation.  Composite lubrication free bearing. Single source: Clock and movement to be manufactured by the same company.

Case: Aluminum bezel and case.

Style: Style 66XX

XX  above is the diameter of the clock, available sizes are 54”, 60”, 72”, 84” and 96” 

D. Provide Type 99B-MI automatic reset control;

– IP65 Enclosure – Indoor & Outdoor Use

– Automatically resets clock after power failures.

– Automatically resets clocks for daylight savings time (if required)

– Precision Quartz Time base 4 minutes per year maximum drift.

– Optional GPS – no drift.

– Built in 100 year daylight savings time calendar.

– 2 Line 16 character backlighted LCD display.

– ETL listed to UL 863.

– Power Failure Event logging.

– Standard MI output – 4 clocks maximum standard

– Standard 24VDC RP output -20 clocks maximum

– Sweep Second hand output

– Hour Strike Capability.

– RS-232 and RS-485 output ports

– 24 VAC hour strike output – configurable pulse output


3.01 Installation

A. Inspect substrates, supporting items and related conditions, to ensure that they are ready to receive each item, prior to commencement of installation.

B. Install each item at locations indicated on drawings, as detailed, and in accordance with manufacturers’ instructions.

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