User manual - ATR144- 7
internal component. Device must be installed and can 
operate only within the allowed environmental conditions. 
Overheating may lead to risk of fire and can shorten the 
lifecycle of electronic components. 
2.1  Environmental policy / WEEE
Do not dispose electric tools together with household waste 
material. According to European Directive 2002/96EC on 
waste electrical and electronic equipment and its implemen-
tation in accordance with national law, electric tools that have 
reached the end of their life must be collected separately and 
returned to an environmentally compatible recycling facility.
3  Model identification
The ATR144 series includes 2 versions:
Power supply 24..230 VAC/VDC ±15% 50/60 Hz – 5 Watt/VA
ATR144 -ABC 1 analogue input + 2 relays 5 A + 1 D.I/O
ATR144 -ABC-T
1 analogue input + 1 relays 5 A + 1 D.I/O 
+ RS485
4  Technical data
4.1  General features
Displays
4 digits 9.6 mm (0.38 pollici), 5 digits 7.1 
mm (0.28 pollici)
Op. conditions Temperature: 0-45° C -Humidity 35..95 uR%
Sealing
IP65 front panel (with gasket)
IP20 box and terminals
Materials
Box and front panel: PC UL94V2 self-
extinguishing
Weight Approx. 120 g