Part of the Siemens Safety Technology family.
Overview
3SK Safety Relays
The 3SK Safety Relays series is part of the Safety Technology family. It groups SKUs that share a common form factor, voltage class, or functional role, making cross-referencing and spare-parts planning straightforward.
Palm Parts Solution maintains active inventory across this series with technical support to validate the correct catalog number for your application.
3SK Safety Relays parts
Siemens 3SK1112-1BB40
$403.00
Siemens 3SK1121-1CB41
$490.00
SIEMENS 3SK1111-1AB30
$332.00
Siemens 3SK1211-2BB40
$586.00
Siemens 3SK1121-2AB40
$750.00
Siemens 3SK1121-2CB41
$2,098.00
Siemens 3SK1211-1BB40
$232.00
SIEMENS 3SK1121-1CB42
$539.00
Siemens 3SK1111-1AW20
$216.00
Siemens 3SK1111-2AB30
$250.00
Specifications
Typical Specifications
Specifications vary by catalog number. Common parameters include:
- Operating voltage and current ratings
- Communication interface (where applicable)
- Environmental rating (IP / NEMA)
- Operating temperature range
- Mounting style and dimensions
Refer to the manufacturer datasheet for the exact catalog number.
Compatible series
Browse this product type
Frequently asked questions
What does the 3SK Safety Relays series include?
The 3SK Safety Relays series is part of the Safety Technology family from Siemens. It groups related catalog numbers that share form factor, I/O type and communication protocol — making it easy to find drop-in replacements.
Is 3SK Safety Relays compatible with newer Siemens hardware?
In most cases yes. 3SK Safety Relays units interoperate with current Siemens programming software and communication backbones. Contact us with your firmware revision and we will confirm before shipping.
Can I get 3SK Safety Relays parts refurbished with warranty?
Yes. We offer refurbished 3SK Safety Relays modules tested to OEM specs with a 1-year replacement warranty. New surplus stock is also available when supply permits.
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