3SB3500-1MA20-ZX90
ACTUATOR, ROUND

From SIEMENS

EMERGENCY STOP MUSHROOM PUSHBUTTON, 22 mm, round, metal, red, with lock O.M.R., positive latching, key-operated release, with holder, Z=20-unit pack !!! Phased-out product !!! SIRIUS ACT 3SU1 is the successor The preferred successor type is <<3SU1050-1HQ20-0AA0-ZX90 + 3SU1550-0AA10-0AA0>>
Design of the productSingle device round with positive latching in accordance with ISO 13850
Enclosure
Number of command points1
Actuator
Design of the operating mechanismEmergency stop mushroom pushbutton with lock
Manner of function of the actuating elementLatching
Product extension optional Light sourceNo
Color
of the actuating elementRed
Material of the actuating elementplastic
Outer diameter of the actuating element40 mm
Type of unlocking devicekey unlatching
Number of switching positions2
Switch position for key distractionO+I
Lock makeO.M.R.
Front ring
Product component front ringNo
Holder
Material of the holderMetal
General technical data
Product function
EMERGENCY OFF functionYes
EMERGENCY STOP functionYes
Protection class IPIP67
Operating frequency maximum1 000 1/h
Mechanical service life (switching cycles)
typical300 000
Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750S
Reference code acc. to DIN EN 81346-2S
Reference code acc. to DIN EN 61346-2S
Connections/Terminals
Tightening torque of the screws in the bracket1.4 ... 1.6 N·m
Safety related data
B10 value
with high demand rate acc. to SN 31920100 000
Proportion of dangerous failures
with low demand rate acc. to SN 3192020 %
with high demand rate acc. to SN 3192020 %
Failure rate [FIT]
with low demand rate acc. to SN 31920100 FIT
T1 value for proof test interval or service life acc. to IEC 6150820 y
Ambient conditions
Ambient temperature
during operation-25 ... +70 °C
during storage-40 ... +80 °C
Environmental category during operation acc. to IEC 607213K6
Installation/ mounting/ dimensions
Mounting typefront mounting
Shape of the installation openinground
Mounting diameter22 mm
Mounting height83 mm
Installation width40.5 mm
Installation depth29 mm

External links