• Siemens SIRIUS ACT Locking Devices for Pushbuttons & Selectors
1 1

Siemens SIRIUS ACT Locking Devices for Pushbuttons & Selectors

Siemens SIRIUS ACT Locking Devices for Pushbuttons & Selectors

Metal locking devices for SIRIUS ACT pushbuttons, mushroom pushbuttons and selectors that block actuation or fix a selector position, e.g. with a padlock.

Key features

  • For flat, raised and front-ring pushbuttons
  • For mushroom pushbuttons 30 and 40 mm
  • For short and long selector actuators: lock in left, center or right position
  • Window versions blocking one direction of a selector
  • Version with cover; metal, silver

Specifications

Brand Siemens
Product line SIRIUS ACT (3SU1)
Mounting diameter 22 mm
Material Metal
Color Silver
PU 1 unit
Source Siemens Catalog IC 10 · 2026, p. 1342
3SU1950-0DM80-0AA0 Type: Locking device | For: Pushbuttons | Version: Flat, raised / castellated front ring
3SU1950-0DN80-0AA0 Type: Locking device | For: Pushbuttons | Version: Raised
3SU1950-0DP80-0AA0 Type: Locking device | For: Mushroom pushbuttons | Version: Mushroom D30, D40
3SU1950-0DQ80-0AA0 Type: Locking device | For: Selectors | Version: Short/long, locked in left position
3SU1950-0DR80-0AA0 Type: Locking device | For: Selectors | Version: Short/long, locked in center position
3SU1950-0DS80-0AA0 Type: Locking device | For: Selectors | Version: Short/long, locked in right position
3SU1950-0DT80-0AA0 Type: Locking device | For: Selectors | Version: Center to right, blocked on left
3SU1950-0DU80-0AA0 Type: Locking device | For: Selectors | Version: Center to left, blocked on right
3SU1950-0DV80-0AA0 Type: Locking device with cover | For: -- | Version: --
AccessoriesSiemens
9 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

Siemens SIRIUS ACT Locking Devices for Pushbuttons & Selectors

Brand Siemens·Accessories

Available part numbers (9)

3SU1950-0DM80-0AA0, 3SU1950-0DN80-0AA0, 3SU1950-0DP80-0AA0, 3SU1950-0DQ80-0AA0, 3SU1950-0DR80-0AA0, 3SU1950-0DS80-0AA0, 3SU1950-0DT80-0AA0, 3SU1950-0DU80-0AA0, 3SU1950-0DV80-0AA0

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

RFQ List 0 →
View full details
Product codes & specifications
0 selected
RFQ List (0)
Product codeSpec
3SU1950-0DM80-0AA0Type: Locking device | For: Pushbuttons | Version: Flat, raised / castellated front ring
3SU1950-0DN80-0AA0Type: Locking device | For: Pushbuttons | Version: Raised
3SU1950-0DP80-0AA0Type: Locking device | For: Mushroom pushbuttons | Version: Mushroom D30, D40
3SU1950-0DQ80-0AA0Type: Locking device | For: Selectors | Version: Short/long, locked in left position
3SU1950-0DR80-0AA0Type: Locking device | For: Selectors | Version: Short/long, locked in center position
3SU1950-0DS80-0AA0Type: Locking device | For: Selectors | Version: Short/long, locked in right position
3SU1950-0DT80-0AA0Type: Locking device | For: Selectors | Version: Center to right, blocked on left
3SU1950-0DU80-0AA0Type: Locking device | For: Selectors | Version: Center to left, blocked on right
3SU1950-0DV80-0AA0Type: Locking device with cover | For: -- | Version: --

Need a different model, or a part not listed here? Send us your parts list →

Related products

All Relays & Switches →