{"product_id":"industrial-21841-0004-programmable-relay-module","title":"Industrial 21841-0004 Programmable Relay Module","description":"\u003cdiv\u003e\u003cp\u003eIndustrial 21841-0004 Programmable Relay Module. This device is a programmable relay module identified by part number 21841-0004, designed for use in industrial control environments. The reference in the listing to Amec D-500-4MT-SR 21841-0004 suggests a connection to a broader Amec control-module family associated with this model code. As a programmable relay, the unit provides configurable switching of electrical loads within automation circuits, enabling customized control sequences in industrial systems. The 21841-0004 designation uniquely identifies this unit within its product line for inventory, ordering, and system compatibility in automation installations.\u003c\/p\u003e\u003c\/div\u003e","brand":"AMEC","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51659896062254,"sku":null,"price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_0cc09103-8b2c-4a51-85e8-68f9fc051d88.jpg?v=1769530484","url":"https:\/\/plgautomation.com\/products\/industrial-21841-0004-programmable-relay-module","provider":"PLG Automation ","version":"1.0","type":"link"}