{"product_id":"siemens-6es7-138-4ca50-0ab0-power-supply-module","title":"Siemens 6ES7 138-4CA50-0AB0 Power Supply Module","description":"\u003cdiv\u003e\u003cp\u003eSiemens 6ES7 138-4CA50-0AB0 is a PM-E external circuit power module for the ET 200S distributed I\/O system, designed to supply 24 to 48 V DC to the backplane and connected I\/O modules. As part of the SIPLUS family and sold as a PLC fail-safe digital power module, it includes diagnostics to monitor power health and fault conditions, enhancing reliability in industrial environments. The module is cataloged by Siemens as PM-E, DC 24-48V with diagnostics and is commonly documented as an ET 200S spare part, illustrating its role as a drop-in power supply for this backplane. In typical automation deployments—such as manufacturing lines, packaging equipment, and process control—it provides a stable 24-48 V DC source for ET 200S I\/O, enabling safe operation and simplified maintenance through built-in diagnostics. Mounting with ET 200S backplanes, the 6ES7 138-4CA50-0AB0 supports SIPLUS configurations to improve reliability in demanding environments and integrates with Siemens’ broader SIMATIC ecosystem.\u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268567945450,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-018.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-6es7-138-4ca50-0ab0-power-supply-module","provider":"GTG Hardware","version":"1.0","type":"link"}