product brand nameSIRIUS
product designationtiming relay
design of the productOFF-delay without control signal, non-volatile, passing make contact
product type designation3RP25
General technical data
product feature protective coating on printed-circuit boardNo
relay outputYes
semi-conductor outputNo
product extension required remote controlNo
product extension optional remote controlNo
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 test2.5 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 ... 600 s
adjustable time noteminimum value at function N = 0.5 s
relative setting accuracy relating to full-scale value5 %; +/-
thermal current5 A
ON period/maximum minimum250 ms
recovery time250 ms
reference code according to IEC 81346-2K
relative repeat accuracy1 %; +/-
influence of the surrounding temperature1% in the whole temperature range to the set runtime
power supply influence1% in the whole voltage range to the set runtime
Substance Prohibitance (day/month/year)09/12/2014
SVHC substance nameLead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1
Net Weight0.132 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
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
at 24 V2 A
at 24 V1 ms
Switching Function
ON-delayNo
ON-delay/instantaneous contactNo
passing make contactYes
passing make contact/instantaneous contactNo
OFF delayYes
flashing symmetrically with interval start/instantaneousNo
flashing symmetrically with interval startNo
flashing symmetrically with pulse start/instantaneousNo
flashing symmetrically with pulse startNo
flashing asymmetrically with interval startNo
flashing asymmetrically with pulse startNo
star-delta circuit with delay timeNo
star-delta circuitNo
additive ON-delayNo
passing break contactNo
passing break contact/instantaneousNo
OFF delayNo
OFF delay/instantaneousNo
pulse delayedNo
pulse delayed/instantaneousNo
pulse-shapingNo
pulse-shaping/instantaneousNo
additive ON-delay/instantaneousNo
ON-delay/OFF-delay/instantaneousNo
passing make contactNo
passing make contact/instantaneous contactNo
retrotriggerable with deactivated control signal/instantaneous contactNo
retrotriggerable with switched-on control signalNo
retrotriggerable with switched-on control signal/instantaneous contactNo
retriggerable with deactivated control signalNo
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)
switching capacity current with inductive load0.01 ... 3 A
Inputs/ Outputs
at the relay outputs switchover delayed/without delayNo
non-volatileYes
at 24 V1 A
at 125 V0.2 A
Electromagnetic compatibility
EMC emitted interference according to IEC 61812-1ambience A (industrial sector)
EMC immunity according to IEC 61812-1corresponds to degree of severity 3
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 954-1none
Electrical Safety
protection class IP on the front according to IEC 60529IP20
type of insulationBasic insulation
Connections/ Terminals
product component removable terminal for auxiliary and control circuitYes
type of electrical connectionscrew terminal
for auxiliary and control circuitscrew-type terminals
solid1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²)
finely stranded with core end processing1x (0.5 ... 4 mm²), 2x (0.5 ... 1.5 mm²)
for AWG cables solid1x (20 ... 12), 2x (20 ... 14)
solid0.5 ... 4 mm²
finely stranded with core end processing0.5 ... 4 mm²
solid20 ... 12
tightening torque0.6 ... 0.8 N·m
design of the thread of the connection screwM3
Installation/ mounting/ dimensions
mounting positionany
fastening methodscrew and snap-on mounting onto 35 mm DIN rail
height100 mm
width22.5 mm
depth90 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 %