1
➜ Hour counters 48 X 48 - CHM48
■ AC: capacity 100.000 hrs (99.999.99 hrs)
■ DC: capacity 1.000.000 hrs (999.999.99 hrs)
■ Operation indicator
■ Panel mounted
■ DIN rail mounted with connector base
(accessory part number: 26546845)
■ IP52
■ Highly resistant to shocks and impacts
■ Excellent visibility due to the large digit size
Type Operating frequency (Hz) Voltages Code
CHM48 50 20 ➞30 Va99772710
50 42 ➞48 Va99772711
50 100 ➞130 Va99772712
50 360 ➞440 Va99772713
50 187 ➞264 Va99772714
60 100 ➞130 Va99772715
60 187 ➞264 Va99772716
60 360 ➞440 Va99772717
60 20 ➞30 Va99772718
60 42 ➞48 Va99772719
c10 ➞30 Vc99772810
c36 ➞80 Vc99772811
c100 ➞130 Vc99772812
Description Code
Adaptor for 72 x 72 mm cut-out 26546842
Adaptor for 55 x 55 mm cut-out 26546846
DIN rail adaptor 26546845
General characteristics
Counting capacity Va: 99 999.99
Vc: 999.999.99
Reset to zero Not included
Read accuracy 1/100 h
Height digits (mm) 4
Colour of hour numbers White on a black background
Colour of decimal digits Red on a black background
Accuracy Va: frequency + 30 ms
Vc: < 0.003% (24 hrs)
Counting input mode Addition
Operation indicator Va: rotating red lines
Vc: 1/100 hr 1 digit in 36 s
Degree of protection front face IP52
Mounting Any
Temperature limits use (°C) -15 ➞+50
Temperature limits stored (°C) -40 ➞+80
Certifications UL (pending)
Connections (panel mounted version) Screw terminals - 6.35 mm Faston connectors
Connections (DIN rail mounted version) Screw terminals with accessory 26 546 845
Connection capacity 2.5 mm2
Consumption Vc: 10 ➞30 approx. 500 mW/100 ➞130 approx. 750 mW/
Va 50 Hz: 20 ➞30 approx. 0.3 VA/42 ➞48 approx. 0.25 VA/100 ➞130
approx. 0.6 VA/187 ➞264 approx. 1.2 VA/360 ➞440 approx. 1.65 VA
Vibration resistance 50 m/s2 (10-500 Hz) IEC 068-2-6
Test voltage for AC models 2 000 Va 50 Hz
Weight (g) 50
Electromechanical hour counters
Part numbers
Accessories
General characteristics
2
Panel mounted Panel cut-out 26546846 - Adaptor for 55 x 55 mm cut-out
Screw terminals
26546845 - DIN rail mounted 26546842 - Adaptor for 72 x 72 mm cut-out
Dimensions (mm)
48
h
45
max.9
7
28
Ø 50
1
45
+0.6
0
45
+0.6
0
7,4
72
45,4
1
55
48,1
0
-0,2
0
+0,2
6
±0,1
7,4
±0,1
45,4
48
61,5
41,1
19
48,5
5
38
32
