Siemens SIRIUS 3RK32 Expansion Module for Safety System
Siemens SIRIUS 3RK32 Expansion Module: 4 F-DI, 2 F-RO, 24V DC, SIL 3, PL e.
The Siemens 3RK3221-1AA10 is an expansion module for the SIRIUS modular safety system (3RK3). This specific module provides 4 fail-safe digital inputs (F-DI) and 2 fail-safe relay outputs (F-RO), operating at 24V DC with a 1A output rating. It is configurable via the MSS ES software and features a narrow 22.5 mm width with screw terminals. The module meets high safety integrity levels, up to SIL 3 according to IEC 61508 and Performance Level e (PL e) according to ISO 13849-1.
This safety expansion module is crucial for applications requiring advanced safety functions, such as emergency stop circuits, safety gates, and light curtains in machine control and automation systems. It is widely used in manufacturing, material handling, and any industry where personnel safety is paramount.
Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers reliable access to safety components like the Siemens SIRIUS 3RK3 series. Ensure your safety systems are compliant and operational with parts from Stanlo.
| Series | SIRIUS 3RK3 |
| Type | Expansion Module |
| Inputs | 4x F-DI (Fail-safe Digital Input) |
| Outputs | 2x F-RO (Fail-safe Relay Output) |
| Voltage | 24 V DC |
| Current Rating | 1 A |
| Safety Standard | SIL 3 (IEC 61508), PL e (ISO 13849-1) |
| Width | 22.5 mm |
| Terminals | Screw Terminal |
| Configuration | MSS ES Software |