Siemens 3SU1150-4BF11-1FA0 RONIS Key Switch
Siemens 3SU1 22mm RONIS key switch, 2 positions O-I, 1 NO + 1 NC.
The Siemens 3SU1150-4BF11-1FA0 is a 22mm round, metal, shiny RONIS key-operated switch with latching operation. It provides 2 switch positions (O-I) with an actuating angle of 90°, and key removal is possible in both positions (10:30h/13:30h). This unit features lock number SB30, includes 2 keys, and is equipped with a holder containing one 1 NO (Normally Open) and one 1 NC (Normally Closed) contact, all with screw terminals.
This key-operated switch is ideal for applications requiring secure control and simultaneous signaling of two different circuit states. Its robust design and dual-contact configuration make it suitable for safety-critical systems, access control, and specialized industrial machinery.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3SU1150-4BF11-1FA0. Ensure your control systems are equipped with reliable components by sourcing from our available stock.
| Type | Key-Operated Switch |
| Mount Size | 22 mm |
| Shape | Round |
| Bezel Material | Metal |
| Bezel Finish | Shiny |
| Lock Type | RONIS |
| Lock Number | SB30 |
| Keys Included | 2 |
| Switch Positions | 2 (O-I) |
| Operation | Latching |
| Actuating Angle | 90° |
| Key Removal | O+I (10:30h/13:30h) |
| Included Holder | Yes |
| Contacts | 1 NO + 1 NC |
| Terminal Type | Screw Terminal |