Siemens SIRIUS 3SK1 Safety Relay 24V dc, Single Channel 2 Safety Contacts

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£126.07

(exc. VAT)

£151.28

(inc. VAT)

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RS Stock No.:
202-1667
Distrelec Article No.:
110-82-869
Mfr. Part No.:
3SK1112-2BB40
Brand:
Siemens
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Brand

Siemens

Supply Voltage

24V dc

Number of Channels

1

Safety Contacts

2

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

Cage Clamp

Standards Met

CCC, CE, EAC, UL

Safety Category

4

Width

91.6mm

Series

3SK1

Depth

100mm

Length

22.5mm

Performance Level

e

COO (Country of Origin):
DE

Siemens 3SK1 Series Safety Relay, 24V DC Supply Voltage, 2 Safety Contacts - 3SK1112-2BB40


This safety relay enhances safety in industrial and automation applications by providing reliable monitoring and control of safety-related circuits. It effectively manages single-channel connections and safety contacts, ensuring safe operation across various machinery and systems. Its robust design and advanced capabilities meet safety standards while safeguarding personnel and equipment.

Features & Benefits


• Automatic restart capability enhances system efficiency
• Cross-circuit detection increases operational safety
• Configurable for floating and non-floating sensors
• High reliability with a maximum power loss of 2W
• Operates in harsh conditions, from -25°C to +60°C
• UL approved for compliance assurance

Applications


• Monitoring light barriers in automated systems
• Safety circuits for emergency stop functions
• Position switch monitoring for operational safety
• Integration with magnetically operated switches for security
• Systems requiring laser scanner monitoring

What power supply is required for operation?


It operates with a control supply of 24V DC.

Can it handle multiple sensor types?


Yes, it can monitor both floating and non-floating sensors.

Is installation straightforward?


Yes, it features a spring-loaded terminal for easy connections.

What are its dimensions and mounting options?


It can be mounted in any position and supports screw or snap-on mounting.

How does it address electromagnetic compatibility?


It's suitable for Class A environments with specific EMC measures.

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