product brand nameSIRIUS
product categorySafety relays
product designationsafety relays
design of the productSolid-state enabling circuits
product type designation3SK1
product lineStandard basic unit
Product Function
product function parameterizablesensor floating / sensor non-floating, monitored start-up / automatic start, 1-channel / 2-channel sensor connection, cross-circuit detection, startup testing
automatic startVar
light barrier monitoringVar
protective door monitoringVar
magnetically operated switch monitoring NC-NOYok
magnetically operated switch monitoring NC-NCVar
laser scanner monitoringVar
light array monitoringVar
EMERGENCY OFF functionVar
monitored start-upVar
pressure-sensitive mat monitoringYok
product feature cross-circuit-proofVar
suitability for interaction press controlYok
suitability for operation device connector 3ZY12Yok
monitoring of floating sensorsVar
monitoring of non-floating sensorsVar
position switch monitoringVar
EMERGENCY-OFF circuit monitoringVar
opto-electronic protection device monitoringVar
magnetically operated switch monitoringVar
safety-related circuitsVar
General technical data
certificate of suitability UL approvalVar
product feature protective coating on printed-circuit boardYok
power loss [W] maximum2 W
insulation voltage rated value50 V
degree of pollution3
overvoltage category3
surge voltage resistance rated value800 V
protection class IP of the enclosureIP20
shock resistance10 g / 11 ms
vibration resistance according to IEC 60068-2-65... 500 Hz: 0,75 mm
operating frequency maximum2.000 1/h
reference code according to IEC 81346-2F
Substance Prohibitance (day/month/year)11/05/2012
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 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-Yok. 119-47-1
Net Weight0,141 kg
Ambient conditions
installation altitude at height above sea level maximum4.000 m
noteDerating, see Product Notification 109792701
during operation-25... +60 °C
during storage-40... +80 °C
relative humidity during operation10... 95 %
air pressure according to SN 31205900... 1.060 hPa
Electromagnetic compatibility
installation environment regarding EMCThis product is suitable for Class A environments only. In household environments, this device can cause unwanted radio interference. The user is required to implement appropriate measures in this case.
EMC emitted interferenceIEC 60947-5-1, Class A
Safety related data
product function suitable for safety functionVar
safe stateSafety outputs switched off
test wear-related service life necessaryYok
diagnostics test interval by internal test function maximum600 s
stop category according to IEC 60204-10
IEC 62061
SIL Claim Limit (subsystem) according to EN 620613
according to IEC 62061SIL 3
at single-channel evaluation according to IEC 620611
at 2-channel evaluation according to IEC 620613
PFHD with high demand rate according to IEC 620610,0000000010
ISO 13849
category according to EN ISO 13849-14
according to ISO 13849-1PL e
at single-channel evaluation according to ISO 13849-1c
at 2-channel evaluation according to ISO 13849-1e
according to ISO 13849-14
at 2-channel evaluation according to ISO 13849-14
overdimensioning according to ISO 13849-2 necessaryYok
IEC 61508
according to IEC 615083
at single-channel evaluation according to IEC 615081
at 2-channel evaluation according to IEC 615083
safety device type according to IEC 61508-2Type B
PFHD with high demand rate according to IEC 615080,0000000010
PFDavg with low demand rate according to IEC 615080,000007
Safe failure fraction (SFF)99 %
according to IEC 615081
at single-channel evaluation according to IEC 615080
at 2-channel evaluation according to IEC 615081
of service life according to IEC 6150820 a
for proof test interval or service life according to IEC 6150820 a
Electrical Safety
touch protection against electrical shockfinger-safe
Short-circuit protection
for short-circuit protection of the NO contacts of the relay outputs requirednot required
Inputs
cascading input/functional switchingVar
feedback inputVar
start inputVar
pulse duration of the sensor input minimum60 ms
number of sensor inputs 1-channel or 2-channel1
Outputs
— safety-related delayed switching0
— instantaneous contact1
— delayed switching0
— instantaneous contact2
switching capacity current of semiconductor outputs at DC-13 at 24 V2 A
Times
at DC maximum85 ms
typical6.500 ms
maximum6.500 ms
maximum85 ms
backslide delay time after opening of the safety circuits typical40 ms
recovery time after opening of the safety circuits typical30 ms
recovery time after power failure typical6,5 s
of the ON pushbutton input minimum0,15 s
Control circuit/ Control
type of voltage of the control supply voltageDC
control supply voltage at DC rated value24 V
initial value0,8
full-scale value1,2
Installation/ mounting/ dimensions
mounting positionany
fastening methodscrew ve snap-on mounting
height100 mm
width22,5 mm
depth91,6 mm
for grounded parts at the side5 mm
Connections/ Terminals
type of electrical connectionscrew terminal
with Cu 1.5 mm² and 150 nF/km per sensor circuit maximum4.000 m
solid1x (0,5... 2,5 mm²), 2x (1,0... 1,5 mm²)
finely stranded with core end processing1x (0,5... 2,5 mm²), 2x (0,5... 1,0 mm²)
for AWG cables solid1x (20... 14), 2x (18... 16)
for AWG cables stranded1x (20... 16), 2x (20... 16)
type of electrical connection plug-in socketYok