Siemens 3SB3500-4LD11 22mm CES Key-Operated Switch
Siemens 3SB3500-4LD11: 22mm metal CES key switch, removable key O+I.
The Siemens 3SB3500-4LD11 is a 22mm metal round actuator for key-operated switches, featuring a CES key lock (SSG 10). It offers latching operation across two switch positions (O-I) and includes two keys. A key feature is the ability to remove the key in both 'O' and 'I' positions. This part is phased out, with the SIRIUS ACT 3SU1 series as its successor, and the preferred successor type is 3SU1050-5BF11-0AA0 + 3SU1550-0AA10-0AA0.
This key switch is designed for applications where flexible key management is important, allowing the key to be removed in either the active or inactive state. This is useful for ensuring a machine remains in a specific state or for security purposes where the key needs to be retained in the operating position. Industries include manufacturing, process control, and automation.
Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, carries the Siemens 3SB3500-4LD11. We provide a reliable source for MRO components, helping businesses manage their inventory and operational costs effectively by offering quality surplus parts.
| Size | 22mm |
| Actuator Type | Key-Operated Switch |
| Lock Type | CES Lock (SSG 10) |
| Positions | 2 (O-I) |
| Operation | Latching |
| Keys | 2 |
| Key Removal | Positions O + I |
| Holder | Included |
| Product Status | Phased-out |