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Siemens 3SK1122-2CB41

SIRIUS safety relay Basic unit Advanced series with time delay 0.05-3 s electronic enabling circuits 2 NO instantaneous 2 NO delayed Us = 24 V DC Spring-type terminal (push-in)

SiemensMFR # 3SK1122-2CB41SKU # CEY-8EF3B02F260E

product brand nameSIRIUS

product categorySafety relays

product designationsafety relays

design of the productSolid-state enabling circuits

product type designation3SK1

product lineAdvanced basic unit

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About This Product

SIRIUS safety relay Basic unit Advanced series with time delay 0.05-3 s electronic enabling circuits 2 NO instantaneous 2 NO delayed Us = 24 V DC Spring-type terminal (push-in)

Siemens 3SK1122-2CB41

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

product brand nameSIRIUS

product categorySafety relays

product designationsafety relays

design of the productSolid-state enabling circuits

product type designation3SK1

product lineAdvanced 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, antivalent sensors, 2-hand switches, time delay

automatic startYes

light barrier monitoringYes

protective door monitoringYes

magnetically operated switch monitoring NC-NOYes

magnetically operated switch monitoring NC-NCYes

laser scanner monitoringYes

light array monitoringYes

EMERGENCY OFF functionYes

monitored start-upYes

pressure-sensitive mat monitoringNo

product feature cross-circuit-proofYes

suitability for interaction press controlYes

suitability for operation device connector 3ZY12Yes

monitoring of floating sensorsYes

monitoring of non-floating sensorsYes

position switch monitoringYes

EMERGENCY-OFF circuit monitoringYes

opto-electronic protection device monitoringYes

magnetically operated switch monitoringYes

safety-related circuitsYes

General technical data

certificate of suitability UL approvalYes

product feature protective coating on printed-circuit boardNo

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-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

Net Weight0.154 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 necessaryNo

diagnostics test interval by internal test function maximum600 s

stop category according to IEC 60204-10 / 1

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

for delayed release circuit 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

for delayed release circuit according to IEC 61508SIL3

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 615080.0000000015

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 switchingYes

feedback inputYes

start inputYes

pulse duration of the sensor input minimum60 ms

number of sensor inputs 1-channel or 2-channel1

Outputs

— instantaneous contact0

— delayed switching2

— 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

adjustable OFF-delay time after opening of the safety circuits0.05 ... 3 s

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 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)

with Cu 1.5 mm² and 150 nF/km per sensor circuit maximum4 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

Accessories 74

Genuine accessories that can be used with the Siemens 3SK1122-2CB41 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
3ZY1321-2AA00	Aksesuar · Further accessories
3RQ1200-2EB00	Aksesuar
3RQ1200-1EB00	Aksesuar
3RQ1000-2LB00	Aksesuar
3RQ1000-2HB00	Aksesuar
3RQ1000-2GB00	Aksesuar
3RQ1000-2EB00	Aksesuar
3RM1107-3AA04	Aksesuar · Motor starter · motor starter
3RM1107-2AA04	Aksesuar · Motor starter · motor starter
3RM1107-1AA04	Aksesuar · Motor starter · motor starter
3RM1102-3AA04	Aksesuar · Motor starter · motor starter
3RM1102-2AA04	Aksesuar · Motor starter · motor starter
3RM1102-1AA04	Aksesuar · Motor starter · motor starter
3RM1101-3AA04	Aksesuar · Motor starter · motor starter
3RM1101-2AA04	Aksesuar · Motor starter · motor starter
3RM1101-1AA04	Aksesuar · Motor starter · motor starter
3ZY1311-0AA00	Aksesuar · Further accessories
3RT2900-1SB20	Aksesuar · Miscellaneous accessories · labeling plates
3RA2908-1A	Aksesuar · Miscellaneous accessories · screwdrivers
3ZY1212-2DA00	Aksesuar · Device connector
3SK1220-2AB40	Aksesuar · Safety relays
3SK1211-2BB40	Aksesuar · Safety relays
3RM1301-1AA04	Aksesuar · Motor starter · motor starter
3RM1301-2AA04	Aksesuar · Motor starter · motor starter
3RM1301-3AA04	Aksesuar · Motor starter · motor starter
3RM1302-1AA04	Aksesuar · Motor starter · motor starter
3RQ1000-1LB00	Aksesuar
3RQ1000-1HB00	Aksesuar
3RQ1000-1GB00	Aksesuar
3RQ1000-1EB00	Aksesuar
3SK1213-2AL20	Aksesuar · Safety relays
3SK1213-2AJ20	Aksesuar · Safety relays
3SK1213-2AB40	Aksesuar · Safety relays
3SK1211-2BW20	Aksesuar · Safety relays
3ZY1440-1AA00	Aksesuar · Further accessories
3ZY1212-2AB00	Aksesuar · Device connector
3RM1307-3AA04	Aksesuar · Motor starter · motor starter
3RM1307-2AA04	Aksesuar · Motor starter · motor starter
3RM1307-1AA04	Aksesuar · Motor starter · motor starter
3RM1302-3AA04	Aksesuar · Motor starter · motor starter
3RM1302-2AA04	Aksesuar · Motor starter · motor starter
3SK1211-2BB00	Aksesuar · Safety relays
3ZY1450-1BB00	Yedek parça · Further accessories
3RT2028-2DB40	Uyumlu ürün
3RT1076-6SP36	Uyumlu ürün
3RT1066-6SP36	Uyumlu ürün
3RT1056-6SP36	Uyumlu ürün
3RT2038-3KB40	Uyumlu ürün
3RT2017-2KB42	Uyumlu ürün
3RK1308-0DE00-0CP0	Uyumlu ürün · Motor starter
3SU1152-1HB20-3PF0	Uyumlu ürün · Commanding and signaling devices
3SU1150-1GB20-3PW0	Uyumlu ürün · Commanding and signaling devices
3SU1100-1HB20-1PA0	Uyumlu ürün · Commanding and signaling devices
3SU1150-0AB50-1BA0	Uyumlu ürün · Commanding and signaling devices
3SU1801-0NB00-2AC2	Uyumlu ürün · Commanding and signaling devices
3SE5232-0QV40	Uyumlu ürün
3SE6415-1CB01	Uyumlu ürün · Non-contact safety switch
3RT2047-3SB30	Uyumlu ürün
3RT2038-3SB30	Uyumlu ürün
3RW5527-3HF04	Uyumlu ürün · Hybrid switching devices
8WD4423-5AK05-0AF0	Uyumlu ürün · Signaling columns
3SU1801-0NB00-2AA2	Uyumlu ürün · Commanding and signaling devices
3SE7150-1BH04	Uyumlu ürün
3SE6605-3BA10	Uyumlu ürün · Non-contact safety switch
3SE6605-1BA	Uyumlu ürün · Non-contact safety switch
3SE6604-2BA01	Uyumlu ürün · Non-contact safety switch
3SE5322-0SH21	Uyumlu ürün
3SE5232-0HK15	Uyumlu ürün
3SE5132-0LU22	Uyumlu ürün
3SE2924-3AA20	Uyumlu ürün
3SE2243-0XX	Uyumlu ürün
3SU1853-3NB00-1AA1	Uyumlu ürün · Commanding and signaling devices
8WD4615-5JH37	Uyumlu ürün
3SE6315-1BB02-1AP0	Uyumlu ürün · Non-contact safety switch