3SK2122-1AA10 SIRIUS Safety Relay Basic Unit - Siemens

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Manager: Leonia

Email: sales11@amikon.cn

Whatsapp: +8618030175807

/ Technical Information /

Manufacturer: Siemens
Product Numbers: 3SK2122-1AA10
Product Type: SIRIUS Safety Relay Basic Unit
Place of 0rigin: Germany
Product brand name: SIRIUS
Product category: Safety relay
Product designation: Base-Unit
Design of the product: 20 F-DI, 4 F-DQ, 2 DQ
Number of function blocks typical: 50
Degree of pollution: 3
Surge voltage resistance rated value: 800 V
Shock resistance: 15g / 11 ms
Operating frequency maximum: 2 000 1/h
Period of darkness of the common drivers: 3 ms
Operating power rated value: 4.5 W
Control supply voltage rated value: 24 V
Consumed current for rated value of supply voltage without semiconductor output: 185 mA

/ Product Overview /

Siemens 3SK2122-1AA10 SIRIUS Safety Relay Basic Unit is a modular safety controller designed for complex machine protection applications requiring multiple safety functions in a compact form. It integrates 20 fail-safe digital inputs, 4 fail-safe outputs, and 2 standard outputs within a 45 mm housing, supporting flexible safety logic for emergency stop, protective door monitoring, sensor evaluation, and other safety-related circuits. The unit operates on a 24 V DC supply and is configurable via SIRIUS Safety ES software, enabling tailored safety function programming for industrial automation systems.
This safety relay is engineered to meet high functional safety standards, achieving up to SIL 3 (IEC 62061) and Performance Level e (ISO 13849-1). It supports advanced expandability with 3SK1 output modules and 3RM1 fail-safe motor starters, allowing scalable system integration. Built for harsh industrial environments, it features surge voltage resistance up to 800 V, pollution degree 3 rating, and robust mechanical durability with up to 10 million operating cycles. Its compact design and high channel density make it suitable for machine tools, automated production lines, and process safety systems requiring reliable multi-channel safety control.

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Step 1: Submit Your Inquiry
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Step 2: Requirement Review
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Step 4: Order Confirmation
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Step 5: Quality Check & Packaging
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/ Know More About Us /

Amikon Limited is a trusted global supplier specializing in PLC, DCS, and TSI automation products. We are committed to delivering efficient, reliable, and cost-effective solutions for industrial control systems across a wide range of applications.

With a strong focus on customer needs, we provide professional support to help clients optimize their automation systems and expand their market presence. Our experienced team ensures fast response, accurate sourcing, and stable supply for both new and legacy equipment.

We maintain a large and well-organized inventory covering leading global brands such as ABB, Honeywell, Bently Nevada, GE Fanuc, Siemens, Schneider Electric, and more. Whether you require current models or obsolete spare parts, we are able to deliver flexible solutions to minimize downtime and ensure operational continuity.

At Amikon Limited, we combine competitive pricing, fast delivery, and quality assurance to provide a dependable alternative in the industrial automation supply chain. Partnering with us means choosing stability, efficiency, and long-term support for your business.

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 >> Manager: Leonia    |    Email: sales11@amikon.cn    |    Whatsapp: +8618030175807