ATM Series & ATS Series The ATM series miniature Analog timers feature compact, space-saving design (W 21.5 x H 28 mm) with simple 14-pin plug-in sockets. The ATM series is available in 11 different time ranges (0.1 sec to 3 hr) and various power supply options. The timers feature 4PDT contact, quick reset time of 100 MS, and repeat accuracy of ±0.5% for highly accurate timing control