Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEOS1VA  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Siemens SIRIUS ACT 3-position Key Switch Head, Latching, 22mm Cutout
Siemens
Siemens SIRIUS ACT 3-position Key Switch Head, Latching, 22mm Cutout
Part No.
3SU1050-4BN21-0AA0
Procurement Intelligence
A rugged 3-position key-operated selector switch for controlling industrial machines and equipment, rated for harsh wet and dusty environments.
Technical Specifications
SeriesSIRIUS ACT
Cutout Diameter22mm
Number of Positions3
Key TypeSB30
Key Withdrawal PositionI
Switch ActuationLatching
IP RatingIP66, IP67, IP69(IP69K)
Angle of Throw45°
Number Of Keys2
Maximum Operating Temperature+70°C
Mechanical Life300000
Minimum Operating Temperature-25°C
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/electrical-items/switches/key-switches-selector-switches/key-switch-heads/siemens-sirius-act-3-position-key-switch-head-latching-22mm-cutout?mal=6617b6e33db68cec45dece48
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.