Eaton/Cooper - COPBS Addressable Sounder Base (Open Protocol)
https://www.eutronix-safety.eu/shop/666053coop-0111-eaton-cooper-copbs-addressable-sounder-base-open-protocol-98702
https://www.eutronix-safety.eu/web/image/product.template/98702/image_1920?unique=6b26054
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Internal Reference: 666053COOP-0111