{"product_id":"siemens-3rv2721-4bd10-circuit-breaker-size-s0-for-system-protection-with-approva","title":"Siemens 3RV2721-4BD10 Molded Case Circuit Breaker","description":"\u003cdiv\u003e\u003cp\u003eSiemens 3RV2721-4BD10 is a three-pole molded‑case circuit breaker (frame size S0) engineered for system protection in industrial wiring, with UL 489 and CSA C22.2 No. 5-02 approvals and a screw-terminal connection for durable panel mounting. It belongs to the Sirius 3RV2 family and carries a nominal current rating of 20 A, with a current‑dependent overload release adjustable from 14 to 20 A and a short‑circuit release rated at 260 A, enabling reliable protection against overloads and faults in 3‑phase circuits. The device includes IP20 protection on the front and a three‑pole main circuit, designed for standard switching capacity and long mechanical\/electrical life—up to 100,000 switching cycles—making it well suited for motor protection, pumps, and other machine protection in control panels. \u003c\/p\u003e\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"New","offer_id":46268139405546,"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-3rv2721-4bd10-circuit-breaker-size-s0-for-system-protection-with-approva","provider":"GTG Hardware","version":"1.0","type":"link"}