Siemens 3SK2, 24V dc Safety Relay
- RS Stock No.:
- 238-3178
- Mfr. Part No.:
- 3SK2941-2AA11
- Brand:
- Siemens
Subtotal (1 kit)*
£379.20
(exc. VAT)
£455.04
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 01 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Kit(s) | Per Kit |
|---|---|
| 1 + | £379.20 |
*price indicative
- RS Stock No.:
- 238-3178
- Mfr. Part No.:
- 3SK2941-2AA11
- 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 | |
| Mount Type | Surface | |
| Series | 3SK2 | |
| Power Consumption | 2.5W | |
| Terminal Type | Screw | |
| IP Rating | IP20 | |
| Time Delay | 0.8 to 1.2 s | |
| Contact Current | 10A | |
| Standards/Approvals | CSA, EAC, UL | |
| Minimum Operating Temperature | -40°C | |
| Switching DC Voltage | 24V dc | |
| Maximum Operating Temperature | 80°C | |
| Width | 22.5mm | |
| Height | 100mm | |
| Length | 124.5mm | |
| Safety Category | 3 | |
| Hazardous Area Certification | No | |
| Coil Voltage | 24V dc | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Safety Relay | ||
Mount Type Surface | ||
Series 3SK2 | ||
Power Consumption 2.5W | ||
Terminal Type Screw | ||
IP Rating IP20 | ||
Time Delay 0.8 to 1.2 s | ||
Contact Current 10A | ||
Standards/Approvals CSA, EAC, UL | ||
Minimum Operating Temperature -40°C | ||
Switching DC Voltage 24V dc | ||
Maximum Operating Temperature 80°C | ||
Width 22.5mm | ||
Height 100mm | ||
Length 124.5mm | ||
Safety Category 3 | ||
Hazardous Area Certification No | ||
Coil Voltage 24V dc | ||
- COO (Country of Origin):
- DE
The Siemens starter kit for safety relay 3SK2. The starter kit contains basic 3SK2 unit - 22.5 mm, SIRIUS safety software ES V 1.0 and standard USB PC-cable need to start with the software-parameterizable 3SK2 safety relays.
Parameterizable inputs and outputs
Snap mount for easy installation
Short circuit protection
Related links
- Siemens 3SK2, 24 V dc Safety Relay
- Siemens SIRIUS Diagnostic Display for 3SK2, 24 V Safety Relay
- Siemens 3SK1, 24 V dc Safety Relay
- Siemens SIRIUS Safety Bundle Advanced, 24 V dc Safety Relay
- Siemens 3SK1 4 Safety Contacts
- Siemens SIRIUS Safety Bundle Basic, 24 V dc Safety Relay
- Siemens 3SK1 0 Safety Contacts
- Siemens 3SK1 1 Safety Contacts

