浅析赛雪龙高速断路器.pdfVIP

C O M P O N E N T S High-Speed DC Circuit-Breakers for Industry Type UR6 and UR15 The UR6 and UR15 are DC high-speed current-limiting severe for what concerns the mechanical endurance circuit-breakers with natural cooling, trip free, single and the vibrations shocks), guarantee to the UR6 and pole, bi-directional, with electromagnetic blow-out, UR15 a very high reliability and an exceptionally long life electric control circuits and direct over-current instanta- time. neous release.The UR6 and UR15 circuit-breakers With its proven worldwide experience and acceptance, are of open type construction. Sécherons range of circuit-breakers offers you the key Their simple design and high insulation level combined product for such a strategic and critical application that with their compliance to IEC60947 standard for industry, is to guarantee the highest safety to your equipment as EN50123/ IEC61992 standards for fixed installations well as to the people operating it and using it. and EN/IEC60077 standard for rolling stock (more Applications ● Utilisation category A Main features ● Rated thermal current 1500 A ● Rated operational voltage 900 Vdc and 1800 Vdc ● Rated insulation voltage 2300 Vdc ● Safe with a high insulation level: over-voltage category OV4 ● Pollution degree PD3 ● Limited maximum arc voltage ● Electro-magnetic closing and reduced holding power ● High mechanical and electrical endurance: operational frequency C3 ● Very low maintenance requirements ● Compact and light weight ● Proven design with worldwide experience and acceptance ● Insulation material according to relevant NF standard