Siemens SIRIUS ACT EMERGENCY STOP mushroom pushbutton, 22 mm, round, metal, shiny, red, 40 mm, positive latching, acc. to EN ISO 13850, rotate-to-unlatch, with yellow backing plate, inscription: EMERGENCY STOP, with holder, 1 NC, screw terminal

Siemens 3SU1150-1HB20-1CG0 is a SIRIUS ACT complete emergency-stop actuator in the 22 mm command and signalling family, with a 40 mm shiny-metal mushroom head and rotate-to-unlatch positive latching per EN ISO 13850. The unit ships with a yellow backing plate bearing the EMERGENCY STOP inscription, one holder and a 1 NC screw-terminal contact block. Protection is IP66/IP67/IP69K with the terminal at IP20, and the actuator suits panel-mount cutouts across machinery and process installations.

Manufacturer part number (MPN)

3SU1150-1HB20-1CG0

EAN / GTIN

4011209956896

Sales unit

pcs

Product brand name

SIRIUS ACT

Product designation

EMERGENCY STOP mushroom pushbuttons

Design of the product

Complete unit

Product type designation

3SU1

Product line

Metal, shiny, 22 mm

Number of command points

1

Design of the actuating element

positive latching

Principle of operation of the actuating element

latching

Outer diameter of the actuating element

40 mm

Number of contact modules

1

Number of LED modules

0

Insulation voltage rated value

500 V

Degree of pollution

3

Type of voltage of the operating voltage

AC/DC

Surge voltage resistance rated value

6 kV

Protection class IP

IP66, IP67, IP69(IP69K)

Protection class IP of the terminal

IP20

Degree of protection NEMA rating

1, 2, 3, 3R, 4, 4X, 12, 13

Shock resistance — according to IEC 60068-2-27

sinusoidal half-wave 15 g / 11 ms

Vibration resistance — according to IEC 60068-2-6

10 ... 500 Hz: 5 g

Operating frequency maximum

600 1/h

Mechanical service life (operating cycles) typical

300 000

Electrical endurance (operating cycles) typical

300 000

Thermal current

10 A

Continuous current of the C characteristic MCB

10 A; for a short-circuit current smaller than 400 A

Continuous current of the quick DIAZED fuse link

10 A

Continuous current of the DIAZED fuse link gG

10 A

General technical data — Net Weight

123.5 g

At AC — at 50 Hz rated value

5 ... 500 V

At AC — at 60 Hz rated value

5 ... 500 V

At AC — at DC rated value

5 ... 500 V

Contact reliability

One maloperation per 100 million (17 V, 5 mA), one maloperation per 10 million (5 V, 1 mA)

Design of the contact of auxiliary contacts

Silver alloy

Number of NC contacts for auxiliary contacts

1

Number of NO contacts for auxiliary contacts

0

Type of electrical connection — of modules and accessories

Screw-type terminal

Type of connectable conductor cross-sections — solid with core end processing

2x (0.5 ... 0.75 mm²)

Type of connectable conductor cross-sections — solid without core end processing

2x (1.0 ... 1.5 mm²)

Type of connectable conductor cross-sections — finely stranded with core end processing

2x (0.5 ... 1.5 mm²)

Type of connectable conductor cross-sections — finely stranded without core end processing

2x (1,0 ... 1,5 mm²)

Type of connectable conductor cross-sections — for AWG cables

2x (18 ... 14)

Tightening torque of the screws in the bracket

1 ... 1.2 N·m

Tightening torque for auxiliary contacts with screw-type terminals

0.8 ... 0.9 N·m

Service life maximum

20 a

Proportion of dangerous failures — with low demand rate according to SN 31920

20 %

Proportion of dangerous failures — with high demand rate per NC contact according to SN 31920

20 %

B10 value with high demand rate according to SN 31920

100 000

Failure rate [FIT] with low demand rate per NC contact according to SN 31920

100 FIT

Device type according to ISO 13849-1

3

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

20 a

Ambient temperature — during operation

-25 ... +70 °C

Ambient temperature — during storage

-40 ... +80 °C

Installation/ mounting/ dimensions — height

40 mm

Installation/ mounting/ dimensions — width

30 mm

Mounting diameter

22.3 mm

Positive tolerance of installation diameter

0.4 mm

Mounting height

46.4 mm

Installation width

75 mm

Installation depth

48.6 mm

Number of backing plates

1

Hole diameter

22.3 mm

Colour button

Red

Number of command positions

1

Type of button

Mushroom

Width opening

75 mm

Height opening

46.4 mm

Degree of protection (IP)

IP67/IP69K

Number of contacts as normally closed contact

1

Country of origin

Germany

HS Code

8536.50

• EAN 4011209956896
• SAP 1000697253
• Code 8411791