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Datasheet generated 2026-10-07
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Siemens SIRIUS ACT Enclosure for command devices, 22 mm, round, Enclosure material metal, Enclosure top part yellow, with protective collar, 1 control point, without equipment, floor mounting, 1XM20 each on top and bottom (3SU1851-0AA00-0AC2)

Siemens · Control & Automation · Pushbuttons & Pilot Lights · Germany · siemens.com
Part Number
3SU1851-0AA00-0AC2  ·  HS 8538.90
Siemens SIRIUS ACT Enclosure for command devices, 22 mm, round, Enclosure material metal, Enclosure top part yellow, with protective collar, 1 control point, without equipment, floor mounting, 1XM20 each on top and bottom (3SU1851-0AA00-0AC2)

Siemens 3SU1851-0AA00-0AC2 — SIRIUS ACT 22 mm command and signalling device. Panel-mount pushbutton, indicator lamp or emergency-stop actuator in the 22 mm cutout family. SIRIUS ACT Box - yellow metal with jacket Yellow emergency stop box with jacket.

Technical Specifications

Manufacturer part number (MPN)3SU1851-0AA00-0AC2
EAN / GTIN4011209969216
Sales unitpcs
Product brand nameSIRIUS ACT
Product designationEnclosures
Product type designation3SU1
Design of the housingwith protective collar
Shape of the enclosure frontSquare
Material of the enclosuremetal
Number of command points1
Product component protective collarYes
Color of the enclosure top partyellow
Fastening method of the enclosureVertical
Protection class IPIP66, IP67, IP69(IP69K)
Degree of protection NEMA rating1, 2, 3, 3R, 4, 4X, 12, 13
Shock resistance for railway applications according to EN 61373Category 1, Class B
Vibration resistance for railway applications according to EN 61373Category 1, Class B
Type of electrical connection on enclosureCable routing above and below, both 1 x M20
Tightening torque of fixing screws in the enclosure cover1.5 ... 1.7 N·m
Ambient temperature — during operation-25 ... +70 °C
Ambient temperature — during storage-40 ... +80 °C
Fastening method of modules and accessoriesFloor mounting
Installation/ mounting/ dimensions — height89.4 mm
Installation/ mounting/ dimensions — width85 mm
Installation/ mounting/ dimensions — depth112.5 mm
Mounting diameter22.3 mm
Positive tolerance of installation diameter0.4 mm
Width85 mm
Height89.4 mm
Depth112.5 mm
Diameter openings22.3 mm
Number of command positions1
Colour housing coverYellow
Construction type housingSurface mounted housing
Degree of protection (IP)IP67/IP69K
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents