Wharton 4540 large wall clocks time and date with 120mm (4.7") digits

large time and date wall clock with green characters

4540x.12.G.S large calendar wall clock with green illuminated characters

large time and date wall clock with red characters

4540x.12.R.S large calendar wall clock with red illuminated characters

 60m (180ft)  more

  • Our 4540x.12 large calendar wall clocks will provide many years of reliable service in demanding applications.
  • Applications include large offices and reception areas, banking halls and any large public area.
  • The Wharton 4500x.12 range of calendar clocks have a 12 or 24-hour time and date display in three rows of bright 100mm & 100mm (4.7" & 4") green and red LED characters.
  • Multiple languages - you can easily program the abbreviated day-of-week and month characters to display in a single language or two or three alternating languages selected from: Català, Čeština, Dansk, Deutsch, English, Español, Føroyskt, Français, Galego, Hrvatski, Italiano, język polski, Magyar, Nederlands, Norsk, Português, Russkij jazyk, Slovenščina, Suomi, Svenska & Welsh.

All Wharton day date calendar clocks have many user-selected modes of operation:

  • E and NE versions can be used in stand-alone applications using their internal time references.
  • The clock has rear connections to enable time synchronisation using one of a wide selection of time code protocols from a Wharton 5000 series master clock or suitable third party time reference.
  • You can synchronise individual calendar clocks with a satellite-based atomic time reference via a control message from a Wharton 488HS series GPS or GLONASS time signal receiver.
  • N and NE versions can be controlled and synchronised to time via their 10/100Base-t Ethernet NTP connection to your existing network with accurate time information provided by a local or internet time server for simple, low-cost installation and control.
r simple, low-cost installation and control.

Stopwatch operation

  • Wharton 4000 series calendar clocks have time digits freely switchable between the display of time-of-day and the display of multifunction stopwatch or countdown time.
  • The stopwatch and countdown timer functions are controlled by the IR handset supplied, by an optional dedicated switch panel or by user-supplied voltage free contacts.
  • The following stopwatch and countdown timer functions are user programmable:
    • Stopwatch display modes
    • Stopwatch display resolution
    • Stopwatch count direction
    • Stop/start and hold switch actions
    • Countdown start count
    • Using external, voltage free, switch contacts - E and NE versions only
    • Network stopwatch mode - network versions only
  • Further information about stopwatch & countdown timer operation


  • The high-quality clock enclosures have a black, silver or special order finish. Case type and colour information.
  • The standard model is suitable for freestanding or wall mounting using the multi-angled brackets supplied. Mounting options include cases for flush wall mounting and single or double-sided clocks with mounting supports for ceiling suspension.
  • 110-230V AC, 24 or 48V DC power supply options.
  • All Wharton day-date products are designed, manufactured and tested to International Quality and Performance Standards.
  • Unrivalled free product lifetime technical support with unlimited advice and information to the original user for the life of the digital clock. Many previous models are still in service more than 15 years after first supply.
model size - w x h x d weight
4500x.05 550 x 90 x 58mm  21.6" x 3.5" x 2.3" 2.5kg  5.5lb
4510x.05 550 x 90 x 58mm  21.6" x 3.5" x 2.3" 2.5kg  5.5lb
4600x.05 460 x 90 x 58mm  18" x 3.5" x 2.3" 2.3kg  5.1lb
sizes and weights are for .S. single-sided wall mounted clocks
order code example

A - model (Day of month, month and hours and minutes ): 4600
B - version (non-network): E
C - display height (120mm & 100mm): .12
D - display colour (green): G
E - case style (flush panel) : .FP
F - power supply (UK): .UK
G - case colour (silver): .Silver
A - model code
Day of week, day of month, month and hours and minutes display 4500
Day & month calendar, hours minutes and seconds display 4510
Day of month, month and hours and minutes display 4600
B - version  
non-network version with enhanced features E
network version N
network + enhanced features NE
C - display height  
All models: 120mm - 4.7" & 100mm - 4" .12
D - display colour  
green .G
red .R
E - case style  
surface mounting case for wall mounting .S
flush mounting case for use in a panel with rear access .FP
flush mounting case supplied with mounting box .FB
single-sided ceiling suspended case .SS
double-sided ceiling suspended case .DS
F - Power supply  
internal PSU 110-240vac 50/60Hz (standard)  
with Australian mains lead .AU
with EU mains lead .EU
with UK mains lead .UK
with US mains lead .US
24v DC power supply .24vdc
48v DC power supply .48vdc
IEEE 802.3af-2003 Class 3 .POE
G - case colour  
black .black
silver .silver
RAL or other standard case finish .RAL9010