Siemens SIRIUS 3SK1 Safety Relay 24V dc, Single Channel

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£126.07

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£151.28

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RS Stock No.:
784-5790
Mfr. Part No.:
3SK1112-1BB40
Brand:
Siemens
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Brand

Siemens

Supply Voltage

24V dc

Number of Channels

1

Function

Safety Monitoring

Reset Method

Automatic, Monitored

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

Series

3SK1

Safety Category

4

Width

22.5mm

Depth

92mm

Performance Level

e

Length

100mm

COO (Country of Origin):
DE

Siemens 3SK1 Series Safety Relay, 24V DC Supply Voltage, Screw Terminal - 3SK1112-1BB40


This safety relay enhances safety monitoring in automation systems with a supply voltage of 24 V DC. Operating with a single channel, it is pivotal for industrial applications that require risk management and compliance with safety standards. Its performance levels and safety integrity ratings make it suitable for professionals in automation and electrical fields.

Features & Benefits


• Automatic reset methods facilitate continuous operation
• Monitored start capability strengthens system safety
• Cross-circuit detection enhances fault tolerance
• Compact design enables versatile installation
• High safety category of ISO 13849-1 ensures compliance
• SIL 3 rating meets stringent safety requirements

Applications


• Monitoring safety-related circuits in machinery
• Implementing emergency stop functions in systems
• Sensor monitoring in industrial automation
• Utilisation with light barriers and protective door systems
• Suitable for laser scanners in safety-critical environments

How does the automatic start feature improve safety?


The automatic start function ensures that systems engage safely after a reset, minimising the risks associated with unintended operation.

What types of sensors can be connected?


It accepts both floating and non-floating sensors for flexible monitoring in safety applications.

Can it be integrated into existing machinery?


Yes, it is designed for easy integration, fitting various control systems without extensive modifications.

What is the maximum operating temperature range?


This device operates effectively within a temperature range of -25° to +60°C, making it suitable for diverse environments.

How is compatibility with different electrical installations ensured?


Screw terminal connections accommodate various wire sizes, allowing flexibility in electrical setups while ensuring secure connections.

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