Siemens SIRIUS 3SK1211-2BB00: 24V AC Safety Relay Output Expansion
Siemens SIRIUS 3SK1211-2BB00 Safety Relay, 24V AC
The Siemens 3SK1211-2BB00 is an output expansion module from the SIRIUS 3SK1 safety relay series. Designed for enhancing safety control, it provides four normally open (NO) safety contacts and one normally closed (NC) signaling contact. This module operates on a 24V AC supply and features spring-type terminals for efficient and secure connections, making it suitable for DIN rail mounting.
This safety relay expansion module is engineered to meet high safety standards, including SIL 3 (IEC 61508) and PL e (EN ISO 13849-1), Category 4. It is ideal for industrial applications requiring reliable expansion of safety functions, such as in machine guarding and emergency stop systems where quick and secure connections are paramount.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3SK1211-2BB00. Ensure your industrial automation systems are equipped with dependable safety components by sourcing from us.
| Supply Voltage | 24V AC |
| Safety Outputs | 4 NO |
| Signaling Output | 1 NC |
| Terminal Type | Spring-loaded (push-in) |
| Mounting | DIN rail |
| IP Rating | IP20 |
| Compliance | SIL 3, PL e, Category 4 |