Siemens SIRIUS 3SK1 safety relay 3SK1220-1AB40
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Product Description
Siemens 3SK1220-1AB40 — SIRIUS 3SK1 safety relay. Compact safety relay for emergency-stop, safety-gate and light-curtain monitoring per EN ISO 13849. Input Module 1x2channel/2x1channel.
Technical Specifications
- Manufacturer part number (MPN)
- 3SK1220-1AB40
- EAN / GTIN
- 4011209913868
- HS code
- 8536.90
- Sales unit
- pcs
- Power consumption
- 1.2 W
- Voltage type (operating voltage)
- DC
- Type of control voltage 1
- DC
- Type of control voltage 2
- DC
- Suitable for monitoring of valves
- No
- Suitable for monitoring of tactile sensors
- No
- Suitable for monitoring of proximity switches
- No
- Type of electric connection
- Screw connection
- Rated control supply voltage DC
- 24 V
- Voltage type for actuating
- DC
- Evaluation inputs
- One- and two-channel
- Stop category according to IEC 60204
- 0
- Performance level according to EN ISO 13849-1
- Level e
- SIL according to IEC 61508
- 3
- With approval for BG BIA
- No
- Width
- 17.5 mm
- Height
- 100 mm
- Depth
- 121.6 mm
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 4011209913868
- SAP 1000411962
- Code 81130854
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3SK1220-1AB40?
- 3SK1220-1AB40 can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 3SK1220-1AB40.
- What is the HS code for 3SK1220-1AB40?
- The customs tariff (HS) code for 3SK1220-1AB40 is 8536.90.
- Who manufactures 3SK1220-1AB40?
- 3SK1220-1AB40 is a Siemens product in the Safety & Detection range.
- Is a datasheet available for 3SK1220-1AB40?
- Yes — the 3SK1220-1AB40 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3SK1220-1AB40?
- The minimum order quantity is 1.
- Is 3SK1220-1AB40 available?
- Yes — 3SK1220-1AB40 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).