{"product_id":"siemens-5sy4120-8-miniature-circuit-breaker-mcb","title":"Siemens 5SY4120-8 Miniature Circuit Breaker MCB","description":"\u003cdiv\u003e\u003cp\u003eSiemens 5SY4120-8 is a one-pole SENTRON miniature circuit breaker (MCB) rated for 20 A in 230\/400 V AC networks, delivering a 10 kA short-circuit breaking capacity for reliable overcurrent protection. This 5SY4-frame device uses a Type D tripping curve and is designed for DIN-rail installation with a compact footprint of 18 mm in width, about 90 mm high and 70 mm deep. It features a 440 V insulation voltage (Ui) and supports 50\/60 Hz operation, making it suitable for distribution panels, control cabinets, and other low-voltage circuits requiring precise, compact protection. Common applications include branch protection in electrical distribution and industrial control panels where DIN-rail mounted protection is needed.\u003c\/p\u003e\u003c\/div\u003e","brand":"SIEMENS","offers":[{"title":"New","offer_id":46268246360298,"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-017.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/siemens-5sy4120-8-miniature-circuit-breaker-mcb","provider":"GTG Hardware","version":"1.0","type":"link"}