4900x.02 and 4900x.05 series digital clocks
- order specification codes
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order code example
    |    |    |   |   |     |       |
   A   B  C  D  E   F     G
A - model: 4900
B - version (network): N
C - display height (50mm & 30mm): .05
D - display colour (yellow): Y
E - case style (flush panel) : .FP
F - power supply (UK): .UK
G - case colour (silver): .Silver

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4900 series with 20mm or 50mm high digits - order specification codes

A - model code
six digit display 4900
B - version  
non-network version with enhanced features E
network version N
network + enhanced features NE
C - display height  
4900x.02: 20mm - 0.8" .02
4900x.05: 50mm & 30mm - 2" & 1.2" .05
D - display colour  
blue (not available on 4900x.02) <span class="blue-comment">- please note that blue illuminated characters can appear slightly out of focus to some people due to variations in the response of the human eye to blue light and typically have a shorter practical viewing distance than red, green or yellow characters.</span> .B
green .G
green digits & red five second markers (not available on 4900x.02) .GR
red .R
yellow (not available on 4900x.02) .Y
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