CPU
Power-on
module
time ratio
model
0%
30%
Q02CPU
50%
70%
100%
0%
30%
Q02HCPU
Q06HCPU
50%
70%
100%
0%
30%
Q12HCPU
50%
Q25HCPU
70%
100%
642
Guaranteed value
(70°C)
43,800 hours
5.00 years
20,498 hours
2.34 years
29,959 hours
3.42 years
41,785 hours
4.77 years
43,800 hours
5.00 years
11,038 hours
1.26 years
16,200 hours
1.80 years
22,075 hours
2.52 years
37,055 hours
4.23 years
43,800 hours
5.00 years
Battery life
Q8BAT
Actual service value
(Reference value) (40°C)
43,800 hours
5.00 years
43,800 hours
5.00 years
43,800 hours
5.00 years
After SM52 turned on
(Backup power time after an
alarm)
600 hours
25 days
600 hours
25 days
240 hours
10 days