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air-insulated circuit breaker / high-voltage / DC / enclosed
UR26-64 Secheron

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Characteristics

  • Type:

    air-insulated

  • Electrical characteristics:

    high-voltage, DC

  • Other characteristics:

    enclosed

  • Applications:

    for railway applications

  • Current:

    2,600 A

  • VDC:

    3,600 V

Description

The UR26-64 is a trip-free DC high-speed current limiting air circuit-breaker, single pole unit, bi-directional, with electromagnetic blowout, direct instantaneous over-current release, natural air-cooling and electrical operating system. A special version UR26DV64 is available for dual voltage application (1500/3000 Vdc). The UR26-64 is used to protect propulsion and auxiliary equipments mounted on rolling stock and can be delivered enclosed in a special protective box for vehicle's roof, inside or underframe mounting. The UR26-64 is also used in DC traction substation to protect the feeder contact lines and thrid rails as well as for insulation of defective line sections. The UR26-64 is also used for various industrial applications.