Article number

SIRIUS safety relay with relay enabling circuits (EC) 24 V DC, 45 mm overall width Screw terminal EC instantaneous: 3 NO EC delayed: 0 NO SC: 2 NC Autostart/monitored start Basic device Maximum achieved SIL: 3, PL: E

SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 24 V AC/DC screw terminal

product brand name

SIRIUS

product designation

safety relays

design of the product

for EMERGENCY-STOP and safety doors

Relay enabling circuits

General technical data

protection class IP of the enclosure

IP20

protection class IP of the terminal

IP20

touch protection against electrical shock

finger-safe

insulation voltage rated value

300 V

ambient temperature

● during storage

-40 ... +80 °C

● during operation

-25 ... +60 °C

air pressure according to SN 31205

90 ... 106 kPa

relative humidity during operation

10 ... 95 %

installation altitude at height above sea level maximum

2 000 m

4 000 m

vibration resistance according to IEC 60068-2-6

5 ... 500 Hz: 0,075 mm

5 ... 500 Hz: 0.75 mm

shock resistance

8g / 10 ms

10g / 11 ms

surge voltage resistance rated value

4 000 V

EMC emitted interference

EN 60947-5-1

IEC 60947-5-1, IEC 61000

installation environment regarding EMC

This 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.

This product is suitable for Class B environments and can also be used in domestic environments.

reference code according to DIN 40719 extended according to IEC 204-2 according to IEC 750

KT

reference code according to EN 61346-2

F

number of sensor inputs

● 1-channel or 2-channel

1

design of the cascading

none

type of the safety-related wiring of the inputs

single-channel and two-channel

product feature cross-circuit-proof

Yes

Safety Integrity Level (SIL)

● according to IEC 61508

3

● according to IEC 62061

3

SIL Claim Limit (subsystem) according to EN 62061

3

performance level (PL)

● according to ISO 13849-1

e

category according to EN ISO 13849-1

4

hardware fault tolerance according to IEC 61508

1

safety device type according to IEC 61508-2

Type A

PFHD with high demand rate according to EN 62061

1.5E-9 1/h

1.7E-9 1/h

Average probability of failure on demand (PFDavg) with low demand rate acc. to IEC 61508

1.3E-6 1/y

1E-6 1/y

T1 value for proof test interval or service life according to IEC 61508

20 a

number of outputs as contact-affected switching element

● as NC contact

— for signaling function instantaneous contact

2

1

● as NO contact

— safety-related instantaneous contact

3

— safety-related delayed switching

0

number of outputs as contact-less semiconductor switching element

● safety-related

— delayed switching

0

— instantaneous contact

0

● for signaling function

— delayed switching

0

— instantaneous contact

0

stop category according to EN 60204-1

0

Inputs

design of input

● cascading input/functional switching

No

● feedback input

Yes

● start input

Yes

Outputs

type of electrical connection plug-in socket

Yes

No

operating frequency maximum

1 000 1/h

360 1/h

switching capacity current

● of the NO contacts of the relay outputs at DC-13

— at 24 V

6 A

5 A

— at 115 V

0.2 A

— at 230 V

0.1 A

● of the NO contacts of the relay outputs at AC-15

— at 24 V

5 A

— at 115 V

6 A

5 A

— at 230 V

6 A

5 A

● of the NC contacts of the relay outputs at DC-13

— at 24 V

6 A

1 A

— at 115 V

0.2 A

— at 230 V

0.1 A

● of the NC contacts of the relay outputs at AC-15

— at 24 V

2 A

— at 115 V

6 A

1.5 A

— at 230 V

6 A

1.5 A

thermal current of the switching element with contacts maximum

6 A

5 A

electrical endurance (operating cycles) typical

100 000

mechanical service life (operating cycles) typical

10 000 000

design of the fuse link for short-circuit protection of the NO contacts of the relay outputs required

gL/gG: 6 A, or quick: 10 A

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

DC resistance of the cable maximum

30 Ω

wire length between sensor and electronics evaluation device with Cu 1.5 mm² and 150 nF/km maximum

1 000 m

Times

make time with automatic start

● typical

200 ms

● at DC maximum

320 ms

● at AC maximum

150 ms

320 ms

make time with automatic start after power failure

● typical

200 ms

● maximum

320 ms

make time with monitored start

● maximum

25 ms

20 ms

● typical

15 ms

backslide delay time after opening of the safety circuits typical

10 ms

backslide delay time in the event of power failure

● typical

65 ms

● maximum

350 ms

75 ms

recovery time after opening of the safety circuits typical

200 ms

10 ms

recovery time after power failure typical

0.5 s

0.09 s

pulse duration

● of the sensor input minimum

25 ms

150 ms

● of the ON pushbutton input minimum

25 ms

0.015 s

Control circuit/ Control

type of voltage of the control supply voltage

DC

AC/DC

control supply voltage frequency

● 1 rated value

50 Hz

● 2 rated value

60 Hz

control supply voltage 1

● at DC rated value

24 V

operating range factor control supply voltage rated value of magnet coil

● at AC

— at 50 Hz

0.85 ... 1.1

— at 60 Hz

0.85 ... 1.1

● at DC

0.85 ... 1.1

0.85 ... 1.2

Installation/ mounting/ dimensions

mounting position

any

fastening method

screw and snap-on mounting

width

44.8 mm

22.5 mm

height

138.5 mm

100 mm

depth

120 mm

121.6 mm

Connections/ Terminals

type of electrical connection

screw-type terminals

type of connectable conductor cross-sections

● solid

1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²)

1x (0.5 ... 2.5 mm²), 2x (1.0 ... 1.5 mm²)

● finely stranded

— with core end processing

1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)

1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²)

type of connectable conductor cross-sections for AWG cables

● solid

2x (20 ... 14)

1x (20 ... 14), 2x (18 ... 16)

● stranded

2x (20 ... 14)

1x (20 ... 16), 2x (20 ... 16)

Product Function

product function

● light barrier monitoring

No

Yes

● standstill monitoring

No

● protective door monitoring

Yes

● automatic start

Yes

● magnetically operated switch monitoring NC-NO

No

● rotation speed monitoring

No

● laser scanner monitoring

No

Yes

● monitored start-up

Yes

● light array monitoring

No

Yes

● magnetically operated switch monitoring NC-NC

No

Yes

● EMERGENCY OFF function

Yes

● pressure-sensitive mat monitoring

Yes

No

suitability for interaction press control

No

suitability for use

● monitoring of floating sensors

Yes

● monitoring of non-floating sensors

No

Yes

● safety switch

Yes

● position switch monitoring

Yes

● EMERGENCY-OFF circuit monitoring

Yes

● valve monitoring

No

● tactile sensor monitoring

No

● magnetically operated switch monitoring

No

Yes

● safety-related circuits

Yes

Certificates/ approvals

certificate of suitability

BG, SUVA, UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508

● TÜV (German technical inspectorate) certificate

Yes

● UL approval

Yes

● BG BIA approval

Yes

Further information

Information on the packaging

https://support.industry.siemens.com/cs/ww/en/view/109813875

Information- and Downloadcenter (Catalogs, Brochures,…)

https://www.siemens.com/ic10

Industry Mall (Online ordering system)

https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3TK2825-1BB40

Cax online generator

http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3TK2825-1BB40

Service&Support (Manuals, Certificates, Characteristics, FAQs,...)

https://support.industry.siemens.com/cs/ww/en/ps/3TK2825-1BB40

Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)

http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3TK2825-1BB40&lang=en

Article number		3TK2825-1BB40	3SK1111-1AB30

		SIRIUS safety relay with relay enabling circuits (EC) 24 V DC, 45 mm overall width Screw terminal EC instantaneous: 3 NO EC delayed: 0 NO SC: 2 NC Autostart/monitored start Basic device Maximum achieved SIL: 3, PL: E	SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 24 V AC/DC screw terminal
product brand name		SIRIUS	SIRIUS
product designation		safety relays	safety relays
design of the product		for EMERGENCY-STOP and safety doors	Relay enabling circuits
General technical data
protection class IP of the enclosure		IP20	IP20
protection class IP of the terminal		IP20
touch protection against electrical shock		finger-safe	finger-safe
insulation voltage rated value		300 V	300 V
ambient temperature
● during storage		-40 ... +80 °C	-40 ... +80 °C
● during operation		-25 ... +60 °C	-25 ... +60 °C
air pressure according to SN 31205		90 ... 106 kPa	90 ... 106 kPa
relative humidity during operation		10 ... 95 %	10 ... 95 %
installation altitude at height above sea level maximum		2 000 m	4 000 m
vibration resistance according to IEC 60068-2-6		5 ... 500 Hz: 0,075 mm	5 ... 500 Hz: 0.75 mm
shock resistance		8g / 10 ms	10g / 11 ms
surge voltage resistance rated value		4 000 V	4 000 V
EMC emitted interference		EN 60947-5-1	IEC 60947-5-1, IEC 61000
installation environment regarding EMC		This 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.	This product is suitable for Class B environments and can also be used in domestic environments.
reference code according to DIN 40719 extended according to IEC 204-2 according to IEC 750		KT
reference code according to EN 61346-2		F
number of sensor inputs
● 1-channel or 2-channel		1	1
design of the cascading		none	none
type of the safety-related wiring of the inputs		single-channel and two-channel	single-channel and two-channel
product feature cross-circuit-proof		Yes	Yes
Safety Integrity Level (SIL)
● according to IEC 61508		3	3
● according to IEC 62061			3
SIL Claim Limit (subsystem) according to EN 62061		3	3
performance level (PL)
● according to ISO 13849-1			e
category according to EN ISO 13849-1		4	4
hardware fault tolerance according to IEC 61508		1	1
safety device type according to IEC 61508-2		Type A	Type A
PFHD with high demand rate according to EN 62061		1.5E-9 1/h	1.7E-9 1/h
Average probability of failure on demand (PFDavg) with low demand rate acc. to IEC 61508		1.3E-6 1/y	1E-6 1/y
T1 value for proof test interval or service life according to IEC 61508		20 a	20 a
number of outputs as contact-affected switching element
● as NC contact
— for signaling function instantaneous contact		2	1
● as NO contact
— safety-related instantaneous contact		3	3
— safety-related delayed switching		0	0
number of outputs as contact-less semiconductor switching element
● safety-related
— delayed switching		0
— instantaneous contact		0
● for signaling function
— delayed switching		0
— instantaneous contact		0
stop category according to EN 60204-1		0	0
Inputs
design of input
● cascading input/functional switching		No	No
● feedback input		Yes	Yes
● start input		Yes	Yes
Outputs
type of electrical connection plug-in socket		Yes	No
operating frequency maximum		1 000 1/h	360 1/h
switching capacity current
● of the NO contacts of the relay outputs at DC-13
— at 24 V		6 A	5 A
— at 115 V		0.2 A	0.2 A
— at 230 V		0.1 A	0.1 A
● of the NO contacts of the relay outputs at AC-15
— at 24 V			5 A
— at 115 V		6 A	5 A
— at 230 V		6 A	5 A
● of the NC contacts of the relay outputs at DC-13
— at 24 V		6 A	1 A
— at 115 V		0.2 A	0.2 A
— at 230 V		0.1 A	0.1 A
● of the NC contacts of the relay outputs at AC-15
— at 24 V			2 A
— at 115 V		6 A	1.5 A
— at 230 V		6 A	1.5 A
thermal current of the switching element with contacts maximum		6 A	5 A
electrical endurance (operating cycles) typical		100 000
mechanical service life (operating cycles) typical		10 000 000	10 000 000
design of the fuse link for short-circuit protection of the NO contacts of the relay outputs required		gL/gG: 6 A, or quick: 10 A	gL/gG: 6A or circuit breaker type A: 3A or circuit breaker type B: 2A or circuit breaker type C: 1A
DC resistance of the cable maximum		30 Ω
wire length between sensor and electronics evaluation device with Cu 1.5 mm² and 150 nF/km maximum		1 000 m
Times
make time with automatic start
● typical			200 ms
● at DC maximum			320 ms
● at AC maximum		150 ms	320 ms
make time with automatic start after power failure
● typical			200 ms
● maximum			320 ms
make time with monitored start
● maximum		25 ms	20 ms
● typical			15 ms
backslide delay time after opening of the safety circuits typical			10 ms
backslide delay time in the event of power failure
● typical			65 ms
● maximum		350 ms	75 ms
recovery time after opening of the safety circuits typical		200 ms	10 ms
recovery time after power failure typical		0.5 s	0.09 s
pulse duration
● of the sensor input minimum		25 ms	150 ms
● of the ON pushbutton input minimum		25 ms	0.015 s
Control circuit/ Control
type of voltage of the control supply voltage		DC	AC/DC
control supply voltage frequency
● 1 rated value			50 Hz
● 2 rated value			60 Hz
control supply voltage 1
● at DC rated value		24 V
operating range factor control supply voltage rated value of magnet coil
● at AC
— at 50 Hz		0.85 ... 1.1	0.85 ... 1.1
— at 60 Hz		0.85 ... 1.1	0.85 ... 1.1
● at DC		0.85 ... 1.1	0.85 ... 1.2
Installation/ mounting/ dimensions
mounting position		any	any
fastening method		screw and snap-on mounting	screw and snap-on mounting
width		44.8 mm	22.5 mm
height		138.5 mm	100 mm
depth		120 mm	121.6 mm
Connections/ Terminals
type of electrical connection		screw-type terminals	screw-type terminals
type of connectable conductor cross-sections
● solid		1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²)	1x (0.5 ... 2.5 mm²), 2x (1.0 ... 1.5 mm²)
● finely stranded
— with core end processing		1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)	1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.0 mm²)
type of connectable conductor cross-sections for AWG cables
● solid		2x (20 ... 14)	1x (20 ... 14), 2x (18 ... 16)
● stranded		2x (20 ... 14)	1x (20 ... 16), 2x (20 ... 16)
Product Function
product function
● light barrier monitoring		No	Yes
● standstill monitoring		No
● protective door monitoring		Yes	Yes
● automatic start		Yes	Yes
● magnetically operated switch monitoring NC-NO		No	No
● rotation speed monitoring		No
● laser scanner monitoring		No	Yes
● monitored start-up		Yes	Yes
● light array monitoring		No	Yes
● magnetically operated switch monitoring NC-NC		No	Yes
● EMERGENCY OFF function		Yes	Yes
● pressure-sensitive mat monitoring		Yes	No
suitability for interaction press control		No	No
suitability for use
● monitoring of floating sensors		Yes	Yes
● monitoring of non-floating sensors		No	Yes
● safety switch		Yes	Yes
● position switch monitoring		Yes	Yes
● EMERGENCY-OFF circuit monitoring		Yes	Yes
● valve monitoring		No
● tactile sensor monitoring		No
● magnetically operated switch monitoring		No	Yes
● safety-related circuits		Yes	Yes
Certificates/ approvals
certificate of suitability		BG, SUVA, UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508
● TÜV (German technical inspectorate) certificate		Yes	Yes
● UL approval		Yes	Yes
● BG BIA approval		Yes
General Product Approval
CSA		Yes	Yes
CCC		Yes	Yes
UL		Yes	Yes
EAC		Yes	Yes
EMV
RCM		Yes	Yes
Functional Saftey
Type Examination Certificate		Yes	Yes
Test Certificates
Special Test Certificate		Yes	Yes
other
Confirmation		Yes	Yes
Further information
Information on the packaging https://support.industry.siemens.com/cs/ww/en/view/109813875
Information- and Downloadcenter (Catalogs, Brochures,…) https://www.siemens.com/ic10
Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3TK2825-1BB40
Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3TK2825-1BB40
Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3TK2825-1BB40
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3TK2825-1BB40&lang=en


last modified:		9/5/2023
Date 2/2/2024	Subject to change without notice © Copyright Siemens 2024