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Siemens 3SK1111-2AW20

SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 110 - 240 V AC/DC 50/60 Hz Spring-type terminal (push-in)

SiemensMFR # 3SK1111-2AW20SKU # CEY-55221B13B5E4

product brand nameSIRIUS

product categorySafety relays

product designationsafety relays

design of the productRelay enabling circuits

product type designation3SK1

product lineStandard basic unit

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About This Product

SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 110 - 240 V AC/DC 50/60 Hz Spring-type terminal (push-in)

Siemens 3SK1111-2AW20

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
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Specifications

product brand nameSIRIUS

product categorySafety relays

product designationsafety relays

design of the productRelay enabling circuits

product type designation3SK1

product lineStandard basic unit

Product Function

product function parameterizableSensor floating / monitored start / automatic start

automatic startYes

light barrier monitoringNo

protective door monitoringYes

magnetically operated switch monitoring NC-NONo

magnetically operated switch monitoring NC-NCYes

laser scanner monitoringNo

light array monitoringNo

EMERGENCY OFF functionYes

monitored start-upYes

pressure-sensitive mat monitoringNo

product feature cross-circuit-proofYes

suitability for interaction press controlNo

suitability for operation device connector 3ZY12No

monitoring of floating sensorsYes

monitoring of non-floating sensorsNo

position switch monitoringYes

EMERGENCY-OFF circuit monitoringYes

opto-electronic protection device monitoringNo

magnetically operated switch monitoringNo

safety-related circuitsYes

General technical data

certificate of suitability UL approvalYes

product feature protective coating on printed-circuit boardNo

power loss [W] maximum2.5 W

insulation voltage rated value300 V

degree of pollution3

overvoltage category3

surge voltage resistance rated value4 000 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 maximum360 1/h

reference code according to IEC 81346-2F

Substance Prohibitance (day/month/year)11/05/2012

SVHC substance nameLead CAS-No. 7439-92-1 Lead 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 4,4'-isopropylidenediphenol (Bisphenol A, BPA) CAS-No. 80-05-7

Net Weight0.217 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 functionYes

safe stateSafety outputs switched off

test wear-related service life necessaryYes

function test interval maximum1 a

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 620610,0000000015

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 necessaryNo

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 A

PFHD with high demand rate according to IEC 615080.0000000015

PFDavg with low demand rate according to IEC 615080.000001

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 requiredgL/gG: 6A or circuit breaker type A: 3A or circuit breaker type B: 2A or circuit breaker type C: 1A

for short circuit protection of the NC contacts of the relay outputs requiredDiazed or Neozed fuses, operating class gL/gG: 6 A or MCB type A: 2 A or MCB type B: 2 A or MCB type C: 1 A

Inputs

cascading input/functional switchingNo

feedback inputYes

start inputYes

pulse duration of the sensor input minimum150 ms

number of sensor inputs 1-channel or 2-channel1

Outputs

— for signaling function instantaneous contact1

— safety-related instantaneous contact3

— safety-related delayed switching0

mechanical service life (operating cycles) typical10 000 000

thermal current of the switching element with contacts maximum5 A

at 24 V5 A

at 115 V0.2 A

at 230 V0.1 A

at 115 V5 A

at 230 V5 A

at 24 V1 A

at 115 V0.2 A

at 230 V0.1 A

at 24 V2 A

at 115 V1.5 A

at 230 V1.5 A

total current maximum12 A

operational current at 17 V minimum5 mA

Times

typical110 ms

at DC maximum130 ms

at AC maximum130 ms

typical110 ms

maximum130 ms

typical15 ms

maximum15 ms

backslide delay time after opening of the safety circuits typical10 ms

typical200 ms

maximum300 ms

recovery time after opening of the safety circuits typical10 ms

recovery time after power failure typical0.32 s

of the ON pushbutton input minimum0.015 s

Control circuit/ Control

type of voltage of the control supply voltageAC/DC

at 50 Hz rated value110 ... 240 V

at 60 Hz rated value110 ... 240 V

1 rated value50 Hz

2 rated value60 Hz

control supply voltage at DC rated value110 ... 240 V

initial value0.85

full-scale value1.1

at 50 Hz0.85 ... 1.1

at 60 Hz0.85 ... 1.1

Installation/ mounting/ dimensions

mounting positionany

fastening methodscrew and snap-on mounting

height100 mm

width22.5 mm

depth121.6 mm

for grounded parts at the side5 mm

Connections/ Terminals

type of electrical connectionspring-loaded terminal (push-in)

for total of all sensor circuits with Cu 1.5 mm² and 150 nF/km maximum2 000 m

solid1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²)

finely stranded with core end processing1x (0.5 ... 1.0 mm²), 2x (0.5 ... 1.0 mm²)

finely stranded without core end processing1x (0.5 ... 1.5 mm²), 2x (0.5 ... 1.5 mm²)

for AWG cables solid1x (20 ... 16), 2x (20 ... 16)

for AWG cables stranded1x (20 ... 16), 2x (20 ... 16)

type of electrical connection plug-in socketNo

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Siemens 3SK1111-2AW20

About This Product

Siemens 3SK1111-2AW20

Specifications

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