Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQER3B1I  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Siemens SIRIUS ACT 2-position Key Switch Head, Latching, 22mm Cutout
Siemens
Siemens SIRIUS ACT 2-position Key Switch Head, Latching, 22mm Cutout
Part No.
3SU1000-4BF21-0AA0
Procurement Intelligence
A heavy-duty industrial key-operated selector switch with two positions that locks in place, commonly used to control machinery and equipment on construction sites, factories, and utility installations.
Technical Specifications
SeriesSIRIUS ACT
Cutout Diameter22mm
Number of Positions2
Key TypeSB30
Key Withdrawal PositionI
Switch ActuationLatching
IP RatingIP66, IP67, IP69(IP69K)
Angle of Throw90°
Number Of Keys2
Maximum Operating Temperature+70°C
Mechanical Life1000000
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-2-position-key-switch-head-latching-22mm-cutout?mal=6617b6b93db68cec45de791b
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.