https://www.electronicdesign.com/technologies/components/article/21755251/safety-relays-boast-reliable-separation
Designed in a ME 22.5 mm housing, a new safety relay comes equipped with two to eight normally-open release current paths and one normally-closed signaling...
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https://www.siemens.com/en-gb/products/sirius/3sk-safety-relays/
SIRIUS 3SK safety relays enable reliable machine safety for E-stop, guard door and light curtain applications with simple configuration and diagnostics.
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https://www.digikey.com/en/products/filter/power-relays-over-2-amps/omron-automation-and-safety/188?s=N4IgjCBcoLQdIDGUBmBDANgZwKYBoQA3AOygBcAnAV3xAHsoBtEAJgGYA2EAXQIAcyUEAGVKAS2IBzEAF85QA
Omron Automation and Safety Relays - Power Relays, Over 2 Amps are in stock at Digikey. Order Now! Omron Automation and Safety Relays ship same day
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https://www.rockwellautomation.com/en-no/products/hardware/safety-products/msr132.html
Our monitoring expansion safety relays have single or dual channel input with either immediate or time off delayed outputs.
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