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Siemens 3RK3111-1AA10 SIRIUS Basic Safety Central Unit

Siemens 3RK3111-1AA10 SIRIUS Basic Safety Central Unit.

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ManufacturerSiemens

Part number3RK3111-1AA10

Type SIRIUS Central Unit 3RK3 Basic

Safety Inputs 4/8 F-DI

Safety Outputs 1 F-RO, 1 F-DO

Voltage 24 V DC

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Modular safety system Configurable via software High safety integrity (SIL 3, PL E) 4/8 fail-safe inputs Fail-safe relay and digital outputs Compact 45mm width

Product description

The Siemens 3RK3111-1AA10 is a SIRIUS central unit from the 3RK3 modular safety system, designated as a 'Basic' unit. It is designed for configurable safety applications and supports 4 or 8 fail-safe digital inputs (F-DI), 1 fail-safe relay output (F-RO), and 1 fail-safe digital output (F-DO). This unit operates on 24 V DC and is configurable using Safety ES software. It has a width of 45 mm and features screw terminals.

This safety central unit is crucial for implementing safety functions in machinery and industrial plants, complying with high safety integrity levels. It achieves up to SIL 3 according to IEC 61508 and up to Performance Level E according to ISO 13849-1, making it suitable for applications where personnel and machine safety are paramount, such as in automotive manufacturing, material handling, and packaging.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens 3RK3111-1AA10. Equip your safety systems with reliable components from Stanlo and ensure operational continuity.

Technical specifications

Type	SIRIUS Central Unit 3RK3 Basic
Safety Inputs	4/8 F-DI
Safety Outputs	1 F-RO, 1 F-DO
Voltage	24 V DC
Configuration	Software Safety ES
Width	45 mm
Terminals	Screw terminal
Safety Level	SIL 3 (IEC 61508), PL E (ISO 13849-1)

Common applications

Machine safety

Industrial safety systems

Automotive manufacturing

Material handling

Packaging machinery

Plant safety

Compatible systems

Siemens 3RK3 Modular Safety System

Also known as

Siemens 3RK3 Basic Unit 3RK3111-1AA10 Safety Contactor SIRIUS 3RK3 Safety Controller

Replaces / compatible with

This central unit is part of the modular 3RK3 safety system and is designed to manage fail-safe inputs and outputs for various safety functions.

Technical note

Expert tip

Requires appropriate safety relays and E-stops to be connected to the fail-safe inputs for complete safety circuit functionality.

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Frequently asked questions

What safety standards does the Siemens 3RK3111-1AA10 comply with?

The Siemens 3RK3111-1AA10 complies with up to SIL 3 according to IEC 61508 and up to Performance Level E according to ISO 13849-1, ensuring high safety integrity for critical applications.