Siemens 3SB3000-4DD51 22mm Round Plastic Key Switch
Siemens 3SB3000-4DD51 22mm plastic round actuator with Ronis lock.
The Siemens 3SB3000-4DD51 is a 22mm round plastic actuator featuring a Ronis lock with two keys and three switch positions: I-O-II. This maintained contact switch has a lock number SB 30. It is part of the phased-out SIRIUS 3SB3 series, with the SIRIUS ACT 3SU1 series being its successor, specifically recommended as >>3SU1000-4BL51-0AA0 + 3SU1500-0AA10-0AA0<<.
This type of key-operated switch is commonly used in industrial control panels, machine tools, and building automation systems where secure access and controlled operation are required. Its robust plastic construction and specific lock mechanism ensure reliable performance in various environments.
Stanlo Automation, a veteran-owned surplus parts distributor, offers this and other industrial automation components. Sourcing from Stanlo ensures access to specialized and sometimes hard-to-find parts, providing cost-effective solutions for your automation needs.
| Actuator Type | Key-operated switch |
| Size | 22mm |
| Housing Material | Plastic |
| Lock Type | Ronis Lock |
| Lock Number | SB 30 |
| Number of Positions | 3 |
| Switch Action | Maintained (I-O-II) |
| Included | 2 Keys, Holder |