
Phoenix Contact
Coupling Relay (PSR-PS21-1NO-1NC-24DC-SC)
Part numberPSR-PS21-1NO-1NC-24DC-SCEAN / GTIN4046356912907HS code8536.49
Safety & Detection
Safety Relays
MOQ:1
Pricing
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Product Description
Phoenix Contact PSR-PS21-1NO-1NC-24DC-SC Coupling Relay for SIL 2 High- and Low-Demand-applications.
Technical Specifications
- Manufacturer part number (MPN)
- PSR-PS21-1NO-1NC-24DC-SC
- EAN / GTIN
- 4046356912907
- Sales unit
- pcs
- Contact configuration
- 1 NO + 1 NC
- Product type
- Coupling Relay
- Manufacturer order number
- 2700357
- Model
- Basic device
- Suitable for monitoring of position switches
- No
- Suitable for monitoring of emergency-stop circuits
- No
- Suitable for monitoring of valves
- No
- Suitable for monitoring of tactile sensors
- No
- Suitable for monitoring of magnetic switches
- No
- Suitable for monitoring of proximity switches
- No
- Type of electric connection
- Screw connection
- Suitable for rail mounting
- Yes
- Rated control supply voltage AC 50 Hz
- 24 V
- Rated control supply voltage DC
- 20.4–26.4 V
- Voltage type for actuating
- DC
- With detachable clamps
- No
- With start input
- No
- With muting function
- No
- With feedback circuit
- No
- Release-delay
- 0.1 s
- SIL according to IEC 61508
- 2
- With approval for BG BIA
- No
- With approval according to UL
- No
- Width
- 6.8 mm
- Height
- 93.1 mm
- Depth
- 102.5 mm
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.49
Cross References
- EAN 4046356912907
- SAP 1000692887
- Code 8303009
Product Documentation
Document preview: Coupling Relay (PSR-PS21-1NO-1NC-24DC-SC) — Specification sheet
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Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy PSR-PS21-1NO-1NC-24DC-SC?
- PSR-PS21-1NO-1NC-24DC-SC can be ordered from cballast.com as a Phoenix Contact 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 Phoenix Contact product?
- The manufacturer part number is PSR-PS21-1NO-1NC-24DC-SC.
- What is the HS code for PSR-PS21-1NO-1NC-24DC-SC?
- The customs tariff (HS) code for PSR-PS21-1NO-1NC-24DC-SC is 8536.49.
- Who manufactures PSR-PS21-1NO-1NC-24DC-SC?
- PSR-PS21-1NO-1NC-24DC-SC is a Phoenix Contact product in the Safety & Detection range.
- Is a datasheet available for PSR-PS21-1NO-1NC-24DC-SC?
- Yes — the PSR-PS21-1NO-1NC-24DC-SC datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for PSR-PS21-1NO-1NC-24DC-SC?
- The minimum order quantity is 1.
- Is PSR-PS21-1NO-1NC-24DC-SC available?
- Yes — PSR-PS21-1NO-1NC-24DC-SC 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).
