Datasheet

Data sheet 3RN2012-1BW30
Thermistor motor protection relay Standard evaluation unit 22.5 mm
enclosure screw terminal 2 change-over contacts US = 24 V-240 V
AC/DC Manual/Auto/Remote reset with ATEX approval 2 LEDs
(READY/TRIPPED) galvanic isolation Test/reset button Wire break
monitoring Short circuit monitoring non-volatile
Product brand name SIRIUS
Product category SIRIUS 3RN2 thermistor motor protection
Product designation Thermistor motor protection relay
Design of the product Standard evaluation unit with ATEX approval, open-circuit and
short-circuit detection in the sensor circuit, non-volatile
Product type designation 3RN2
General technical data
Display version LED Yes
Power loss [W] for rated value of the current
● at AC in hot operating state
1.7W
● at DC in hot operating state
1.7W
Degree of pollution 3
Surge voltage resistance rated value 4kV
Protection class IP IP20
Shock resistance
● acc. to IEC 60068-2-27
11g / 15 ms
Mechanical service life (switching cycles)
● typical
10000000
Electrical endurance (switching cycles)
3RN2012-1BW30 Subject to change without notice
Page 1/
7
08/02/2019 © Copyright Siemens