— upwards0 mm
— forwards0 mm
— backwards0 mm
— downwards0 mm
— at the side0 mm
fastening methodscrew and snap-on mounting onto 35 mm DIN rail
product functiontemperature monitoring
mounting positionany
product brand nameSIRIUS
switching behaviormonostable
degree of pollution3
display version LEDNo
product designationTemperature monitoring relay
design of the productDigital device, 1 sensor, 2 threshold values
product type designation3RS2
Safe failure fraction (SFF)66 %
relative metering precision1 %
Substance Prohibitance (Date)05/01/2012
number of measuring circuits1
sensor current with KTY-sensor0.33 mA
type of electrical connectionspring-loaded terminal (push-in)
material of switching contactsAgSnO2
operating frequency rated value50 ... 60 Hz
test voltage for isolation test4 kV
design of the sensor connectableResistance sensors: Pt100, Pt1000, KTY83-110, KTY84, NTC Thermocouples: Type J, K, T, E, N, S, R, B
design of the electrical isolationgalvanic isolation
category according to EN ISO 13849-11
explosion protection category for gasEx II (2) G [b1] [Ex h] [db] [eb] [pyb] [mb] [ob] [q] [kb] [sb] II C Gb
protocol is supported IO-Link protocolNo
explosion protection category for dustEx II (2) D [b1] [Ex h] [pyb] [tb] [mb] [kb] [sb] III C Db
reference code according to IEC 81346-2K
control supply voltage at DC rated value24 V
influence of the surrounding temperature0.05% per K deviation from T20
contact reliability of auxiliary contactsone incorrect switching operation of 100 million switching operations (17 V, 5 mA)
control supply voltage 1 at DC rated value24 V
relative humidity during operation maximum70 %
safety device type according to IEC 61508-2Type B
shock resistance according to IEC 60068-2-2711g / 15 ms
certificate of suitability relating to ATEXYes, with 3RS29 sensor expansion module
number of CO contacts for auxiliary contacts2
number of NC contacts for auxiliary contacts0
number of NO contacts for auxiliary contacts0
measurable temperature with KTY-sensor maximum300 °C
type of voltage of the control supply voltageAC/DC
vibration resistance according to IEC 60068-2-610 ... 55 Hz: 0.35 mm
hardware fault tolerance according to IEC 615080
performance level (PL) according to EN ISO 13849-1c
SIL Claim Limit (subsystem) according to EN 620611
electrostatic discharge according to IEC 61000-4-26 kV contact discharge / 8 kV air discharge
EMC emitted interference according to IEC 60947-1Class B
field-based interference according to IEC 61000-4-310 V/m
mechanical service life (operating cycles) typical10 000 000
PFHD with high demand rate according to IEC 620613.9E-7 1/h
Safety Integrity Level (SIL) according to IEC 62061SIL 1
buffering time in the event of power failure minimum20 ms
contact rating of auxiliary contacts according to ULR300 / B300
installation altitude at height above sea level maximum2 000 m
ampacity of the output relay at AC-15 at 250 V at 50/60 Hz3 A
supply voltage frequency for auxiliary and control circuit50 ... 60 Hz
continuous current of the DIAZED fuse link of the output relay6 A
electrical endurance (operating cycles) at AC-15 at 230 V typical100 000
thermal current of the switching element with contacts maximum5 A
product component removable terminal for auxiliary and control circuitYes
T1 value for proof test interval or service life according to IEC 6150820 a
continuous current of DIAZED fuse link of the output relay safety-related2 A
insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value300 V
