Siemens SIRIUS 3SK2 Safety Relay 24V dc, 4-Channel

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£490.53

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£588.64

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RS Stock No.:
183-7200
Mfr. Part No.:
3SK2122-1AA10
Brand:
Siemens
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Brand

Siemens

Supply Voltage

24V dc

Number of Channels

4

Function

Safety Monitoring

Range

SIRIUS

Safety Category ISO 13849-1

4

PL ISO 13849-1

e

SIL IEC 61508

3

Terminal Type

Screw

Standards Met

CCC, CE, EAC, UL

Width

124.5mm

Series

3SK2

Depth

100mm

Performance Level

e

Length

45mm

COO (Country of Origin):
DE

Siemens 3SK2 Series Safety Relay, 24V DC Supply Voltage, Screw Terminal - 3SK2122-1AA10


This safety relay is essential for monitoring safety circuits across various industries. Its reliable performance ensures efficient operation of safety monitoring devices, thereby contributing to workplace safety. Capable of functioning up to SIL 3, it is suitable for complex safety applications.

Features & Benefits


• Operates at 24V DC, suitable for low-voltage environments
• Supports up to four channels for diverse applications
• Configurable for effective safety monitoring of multiple sensors
• Enhanced diagnostics with regular test intervals reaching 1000s
• Screw terminal design facilitates straightforward installation and wiring
• Compliant with PL e and SIL 3 for enhanced safety assurance

Applications


• Monitoring optoelectronic protective devices
• Managing emergency-stop circuits
• Monitoring valves and position switches
• Interfacing with float and non-float sensors
• Assessing pressure-sensitive mat systems

What is the maximum installation altitude for proper operation?


The device can be utilised at elevations up to 4000m above sea level.

Can the relay monitor multiple safety-related circuits simultaneously?


Yes, it can monitor up to four channels concurrently.

What is the input delay time for digital inputs?


The input delay time ranges from 0 to 150ms.

Is any special software needed for configuring the relay?


Yes, the configuration software required is Safety ES V1.0 or higher.

How does the relay handle inrush current?


It can manage a peak inrush current of 11A for 1ms.

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