EATON Power Supply EN54-4 2,5A 27,6Vdc
https://www.eutronix-safety.eu/shop/sps-2433-eaton-power-supply-en54-4-2-5a-27-6vdc-29264
https://www.eutronix-safety.eu/web/image/product.template/29264/image_1920?unique=abc1af9
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Internal Reference: SPS-2433