product brand nameSIRIUS
product designationtiming relay
design of the productMultifunctional
product type designation3RP20
General technical data
product feature protective coating on printed-circuit boardYok
relay outputVar
semi-conductor outputYok
product extension required remote controlYok
product extension optional remote controlYok
power loss [W] maximum2 W
insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value300 V
test voltage for isolation test2 kV
degree of pollution3
surge voltage resistance rated value4.000 V
shock resistance according to IEC 60068-2-2711 g / 15 ms
vibration resistance according to IEC 60068-2-610... 55 Hz / 0,35 mm
mechanical service life (operating cycles) typical10.000.000
electrical endurance (operating cycles) at AC-15 at 230 V typical100.000
adjustable time0,05 s... 100 h
relative setting accuracy relating to full-scale value5 %; +/-
thermal current5 A
ON period/maximum minimum35 ms
recovery time150 ms
reference code according to IEC 81346-2K
relative repeat accuracy1 %; +/-
influence of the surrounding temperature±5 %
power supply influence±1 %
Substance Prohibitance (day/month/year)05/01/2012
SVHC substance nameLead CAS-Yok. 7439-92-1 Lead monoxide (lead oxide) CAS-Yok. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-Yok. 71868-10-5 Melamine CAS-Yok. 108-78-1
Net Weight0,105 kg
Control circuit/ Control
type of voltage of the control supply voltageAC/DC
at 50 Hz rated value24 V
at 60 Hz rated value24 V
at 50 Hz rated value24 V
at 60 Hz rated value24 V
at 50 Hz100... 127 V
at 60 Hz100... 127 V
control supply voltage frequency 150... 60 Hz
control supply voltage at DC rated value24 V
control supply voltage 1 at DC rated value24 V
initial value0,85
full-scale value1,1
initial value0,85
full-scale value1,1
initial value0,85
full-scale value1,1
Switching Function
ON-delayVar
ON-delay/instantaneous contactYok
passing make contactVar
passing make contact/instantaneous contactYok
OFF delayYok
flashing symmetrically with interval start/instantaneousYok
flashing symmetrically with interval startVar
flashing symmetrically with pulse start/instantaneousYok
flashing symmetrically with pulse startYok
flashing asymmetrically with interval startYok
flashing asymmetrically with pulse startYok
star-delta circuit with delay timeYok
star-delta circuitYok
additive ON-delayVar
passing break contactVar
passing break contact/instantaneousYok
OFF delayVar
OFF delay/instantaneousYok
pulse delayedYok
pulse delayed/instantaneousYok
pulse-shapingVar
pulse-shaping/instantaneousYok
additive ON-delay/instantaneousYok
ON-delay/OFF-delay/instantaneousYok
passing make contactYok
passing make contact/instantaneous contactYok
retrotriggerable with deactivated control signal/instantaneous contactYok
retrotriggerable with switched-on control signalYok
retrotriggerable with switched-on control signal/instantaneous contactYok
retriggerable with deactivated control signalYok
design of the control terminal non-floatingVar
Short-circuit protection
design of the fuse link for short-circuit protection of the auxiliary switch requiredfuse gL/gG: 4 A
Auxiliary circuit
material of switching contactsAgSnO2
delayed switching0
instantaneous contact0
delayed switching0
instantaneous contact0
delayed switching1
instantaneous contact0
at 24 V3 A
at 250 V3 A
at 24 V1 A
at 125 V0,2 A
at 250 V0,1 A
operating frequency with 3RT2 contactor maximum5.000 1/h
contact reliability of auxiliary contactsone incorrect switching operation of 100 million switching operations (17 V, 5 mA)
contact rating of auxiliary contacts according to ULR300 / B300
Inputs/ Outputs
non-volatileYok
Electromagnetic compatibility
EMC emitted interference according to IEC 61812-1EN 61000-6-4(3)
EMC immunity according to IEC 61812-1EN 61000-6-2
due to burst according to IEC 61000-4-42 kV network connection / 1 kV control connection
due to conductor-earth surge according to IEC 61000-4-52 kV
due to conductor-conductor surge according to IEC 61000-4-51 kV
field-based interference according to IEC 61000-4-310 V/m
electrostatic discharge according to IEC 61000-4-24 kV contact discharge / 8 kV air discharge
Safety related data
category according to EN 954-1yok
Electrical Safety
protection class IP on the front according to IEC 60529IP20
touch protection on the front according to IEC 60529finger-safe, for dikey contact from the front
type of insulationBasic insulation
Connections/ Terminals
product component removable terminal for auxiliary and control circuitYok
for auxiliary and control circuitscrew-type terminals
solid2x (0,5...1,5 mm²), 2x (0,75... 2,5 mm²)
finely stranded with core end processing2x (0,5...1,5 mm²), 2x (0,75... 2,5 mm²)
for AWG cables solid2x (18... 14)
for AWG cables stranded2x (18... 14)
solid0,5... 2,5 mm²
finely stranded with core end processing0,5... 2,5 mm²
solid18... 14
stranded18... 14
tightening torque0,8... 1,2 N·m
design of the thread of the connection screwM3
Installation/ mounting/ dimensions
mounting positionany
fastening methodscrew ve snap-on mounting onto 35 mm DIN rail
height57 mm
width45 mm
depth73 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— at the side0 mm
— downwards0 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
Ambient conditions
installation altitude at height above sea level maximum2.000 m
during operation-25... +60 °C
during storage-40... +85 °C
during transport-40... +85 °C
relative humidity during operation10... 95 %