Siemens SIRIUS 3SK1 Safety Relay 24V dc, Single Channel 0 Safety Contacts

Subtotal (1 unit)*

£121.16

(exc. VAT)

£145.39

(inc. VAT)

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RS Stock No.:
202-1668
Mfr. Part No.:
3SK1220-1AB40
Brand:
Siemens
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Brand

Siemens

Supply Voltage

24V dc

Number of Channels

1

Safety Contacts

0

Function

Expansion Module

Range

SIRIUS

Safety Category ISO 13849-1

4

PL ISO 13849-1

e

SIL IEC 61508

3

Terminal Type

Screw

Standards Met

CSA, UL Listed

Series

3SK1

Width

17.5mm

Depth

121.6mm

Length

100mm

Performance Level

e

COO (Country of Origin):
DE

Siemens Safety Relay, Sensor Extension Type, Type-B Safety Device - SIRIUS Series - 3SK1220-1AB40


To protect people and equipment from electrical hazards, wire up this safety relay from Siemens. The device responds to an error detected by a connected sensor by sending a signal to the next layer in your system. It's a versatile unit you can use in conjunction with floating, non-floating, single-channel and dual-channel sensors, among other components. You'll find products like this used in workplaces with automated machinery, including the food processing industry, oil and gas production and automotive manufacturing.

Features & Benefits


• Functions reliably in temperatures ranging between -25°C and +60°C
• Mountable in any position for fitting flexibility
• Protected against voltage surges of up to 800V for electrical safety
• IP20-rated as touch-proof against fingers and tools larger than 12mm
• Small size of 17.5 (W) x 100 (H) x 121.6mm (D), so it's a space-saving component

What response time will I get from this unit?


The device sends a response in just 60ms in both automatic and monitored start applications, saving precious time if there's an incident.

What's the supply voltage rating of this product?


This relay has a 24V DC supply voltage rating, so it's compatible with common energy sources.

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