{"product_id":"siemens-circuit-breaker-for-system-protection-size-s3-screw-70a","title":"Siemens Circuit breaker for system protection, size S3, screw, 70A","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 3RV2742-5QD10 is a SIRIUS 3RV2 series circuit breaker (size S3) designed for system protection in industrial applications. Rated for 70 A, it offers high breaking capacity and robust performance, making it suitable for main and emergency off switching, feeder protection and general system protection duties.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize S3 circuit breaker in the SIRIUS 3RV2 family\u003c\/li\u003e\n\u003cli\u003eRated operational current: 70 A\u003c\/li\u003e\n\u003cli\u003eRated for system protection with UL 489 \/ CSA C22.2 No. 5 approval\u003c\/li\u003e\n\u003cli\u003eHigh short-circuit breaking capacity: up to 100 kA at 240 V AC, 100 kA at 400 V AC\u003c\/li\u003e\n\u003cli\u003eInsulation voltage: 1000 V AC with pollution degree 3\u003c\/li\u003e\n\u003cli\u003eScrew-type terminals for main circuit; three-pole main current circuit (3 poles)\u003c\/li\u003e\n\u003cli\u003eCompact footprint: approx. 70 mm width, 170 mm height, 176 mm depth (per datasheet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 3RV2742-5QD10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e SIRIUS 3RV2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Current (Iu):\u003c\/strong\u003e 70 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Breaking Capacity (Icu):\u003c\/strong\u003e 100 kA at 240 V AC; 100 kA at 400 V AC; 65 kA at 480 V Y\/277 V (UL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Voltage (Ui):\u003c\/strong\u003e 1000 V AC (pollution degree 3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth × Height × Depth:\u003c\/strong\u003e 70 mm × 170 mm × 176 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Operating Voltage:\u003c\/strong\u003e 20…600 V AC; 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loss (at rated current):\u003c\/strong\u003e ~23.5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbient Operating Temperature:\u003c\/strong\u003e –20 °C to +60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating (Front):\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL 489 and CSA C22.2 No. 5 approved for system protection applications\u003c\/li\u003e\n\u003cli\u003eDesigned for industrial control and power-distribution environments—mechanical service life ~25 000 switching operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis circuit breaker is suitable for usage in industrial switchgear, power distribution boards, main feeders, motor control centres and emergency-off circuits. It is particularly well suited where high fault current capability and UL\/CSA system protection compliance are required.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775072546880,"sku":"3RV2742-5QD10","price":6202.29,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/3RV2742-5QD10.jpg?v=1763986805","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-circuit-breaker-for-system-protection-size-s3-screw-70a","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}