Siemens SIRIUS ACT Protective Collars (sun, 360 deg, EMERGENCY STOP)

Protective collars for 22 mm SIRIUS ACT devices: sun collars, 360 degree collars and EMERGENCY-STOP collars against accidental actuation, some lockable with padlocks.

Key features

Sun collar improves visibility of illuminated pushbuttons
360 degree collars for pushbuttons, selectors and 40 mm mushroom pushbuttons
Yellow or gray EMERGENCY-STOP collars, plastic or metal
Metal collar for up to 5 padlocks, plastic collar for 3 padlocks (60 mm)
For actuators with 22 mm mounting diameter

Specifications

Brand	Siemens
Product line	SIRIUS ACT (3SU1)
Mounting diameter	22 mm
PU	1 unit
Function	Protection against accidental actuation
Source	Siemens Catalog IC 10 · 2026, p. 1340-1341

3SU1900-0DJ10-0AA0		Type: Sun collar \| For: Illuminated pushbuttons \| Material: Plastic \| Color: Black
3SU1900-0DW10-0AA0		Type: 360 deg protective collar \| For: Pushbuttons and selectors, short \| Material: Plastic \| Color: Black
3SU1950-0DK80-0AA0		Type: 360 deg collar, side visibility \| For: Pushbuttons \| Material: Metal \| Color: Silver
3SU1950-0DL80-0AA0		Type: 360 deg collar, side visibility \| For: Mushroom pushbuttons 40 mm \| Material: Metal \| Color: Silver
3SU1900-0DY30-0AA0		Type: E-stop protective collar \| For: E-stop, without lock / RONIS lock \| Material: Plastic \| Color: Yellow
3SU1900-0DY80-0AA0		Type: E-stop protective collar \| For: E-stop, without lock / RONIS lock \| Material: Plastic \| Color: Gray
3SU1900-0JH30-0AA0		Type: E-stop collar, top position mount \| For: E-stop 30 and 40 mm \| Material: Plastic \| Color: Yellow
3SU1950-0DX30-0AA0		Type: E-stop collar for 5 padlocks \| For: E-stop 40 mm, no lock / RONIS \| Material: Metal \| Color: Yellow
3SU1950-0DX80-0AA0		Type: E-stop collar for 5 padlocks \| For: E-stop 40 mm, no lock / RONIS \| Material: Metal \| Color: Gray
3SU1900-0EX30-0AA0		Type: E-stop collar for 3 padlocks \| For: E-stop 60 mm \| Material: Plastic \| Color: Yellow
3SU1900-0EA30-0AA0		Type: Protective collar \| For: Mushroom 30/40/60 mm, E-stop 40/60 mm \| Material: Plastic \| Color: Yellow

AccessoriesSiemens

11 product codes available in this family

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Siemens SIRIUS ACT Protective Collars (sun, 360 deg, EMERGENCY STOP)

Brand Siemens·Accessories

Available part numbers (11)

3SU1900-0DJ10-0AA0, 3SU1900-0DW10-0AA0, 3SU1950-0DK80-0AA0, 3SU1950-0DL80-0AA0, 3SU1900-0DY30-0AA0, 3SU1900-0DY80-0AA0, 3SU1900-0JH30-0AA0, 3SU1950-0DX30-0AA0, 3SU1950-0DX80-0AA0, 3SU1900-0EX30-0AA0 + 1 more — see full table ↓

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Siemens SIRIUS ACT Protective Collars (sun, 360 deg, EMERGENCY STOP)