Siemens 3SK1, 24V dc Safety Relay, 4 Safety Contacts
- RS Stock No.:
- 784-5803
- Mfr. Part No.:
- 3SK1121-1CB41
- Brand:
- Siemens
Subtotal (1 unit)*
£239.95
(exc. VAT)
£287.94
(inc. VAT)
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In Stock
- 4 unit(s) ready to ship
- Plus 2 unit(s) ready to ship from another location
- Plus 2 unit(s) shipping from 22 May 2026
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Units | Per unit |
|---|---|
| 1 + | £239.95 |
*price indicative
- RS Stock No.:
- 784-5803
- Mfr. Part No.:
- 3SK1121-1CB41
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Safety Relay | |
| Safety Contacts | 4 | |
| Series | 3SK1 | |
| Terminal Type | Screw | |
| IP Rating | IP20 | |
| Standards/Approvals | RoHS | |
| Minimum Operating Temperature | -25°C | |
| Maximum Operating Temperature | 60°C | |
| Height | 121.6mm | |
| Length | 100mm | |
| Width | 22.5mm | |
| Safety Category | 4 | |
| Hazardous Area Certification | No | |
| Coil Voltage | 24V dc | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Safety Relay | ||
Safety Contacts 4 | ||
Series 3SK1 | ||
Terminal Type Screw | ||
IP Rating IP20 | ||
Standards/Approvals RoHS | ||
Minimum Operating Temperature -25°C | ||
Maximum Operating Temperature 60°C | ||
Height 121.6mm | ||
Length 100mm | ||
Width 22.5mm | ||
Safety Category 4 | ||
Hazardous Area Certification No | ||
Coil Voltage 24V dc | ||
- COO (Country of Origin):
- DE
Siemens 3SK1 Series Safety Relay, 24V DC Supply Voltage, Time Delay Function - 3SK1121-1CB41
This safety relay is a vital component for improving safety in industrial automation processes. It effectively manages safety circuits, playing a crucial role in mitigating hazardous situations in machinery and electrical installations. The device complies with rigorous safety standards, providing essential protection for both users and equipment.
Features & Benefits
• Features a time delay function for controlled operation
• Contains four safety contacts for diverse Applications
• Monitored automatic reset guarantees safe operation
• Configurable to cater to various system demands
• Built in accordance with ISO 13849-1 Safety Category 4
• Includes screw terminals for secure connections
Applications
• Monitors safety circuits in machinery
• Suitable for integration in automation safety systems
• Applicable in environments necessitating time delay features
How do I install it in my existing setup?
Installation requires connecting the screw terminals to your safety circuit as detailed in the provided wiring diagrams, ensuring compatibility with current systems.
Is it possible to adjust settings based on my specific needs?
Yes, the relay is configurable, allowing you to customise its settings to align with the requirements of your application.
What safety standards does it comply with?
This device adheres to ISO 13849-1 Safety Category 4, as well as CE and EAC certification.
Can it be used in multi-channel applications?
This particular unit is intended for single-channel use; for multi-channel configurations, consider additional relays.