High-voltage disconnect switch HPL series
exteriorindoorcircuit breaker

high-voltage disconnect switch
high-voltage disconnect switch
high-voltage disconnect switch
high-voltage disconnect switch
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Voltage level
Other characteristics
exterior, indoor, circuit breaker
Primary current

4,000 A


Max.: 550 kV

Min.: 170 kV


The smart choice for maximum availability at a low total cost A Disconnecting Circuit Breaker (DCB) provides the functionality of a circuit breaker and a disconnector combined in a single unit. Without the need for separate disconnectors, up to 75 percent less space is required. Unplanned outages are reduced by up to 70 percent according Cigré report on high-voltage circuit breakers reliability, (group A3.06 October 2012), which means a low life-cycle cost. Hitachi ABB Power Grids' DCB is ideal for all substation applications – indoor, outdoor, greenfield or refurbishment. It offers the highest level of safety with the easily operated robust mechanical and electrical interlocking that supports the five golden safety steps for high voltage operations (interrupt, isolate, lock, voltage check, earth). The DCB is compliant with IEC standard 62271-108 for disconnecting circuit breakers. Applications • Line, transformer, reactor and capacitor switching • Switching of harmonic filters • Switching in HVDC-applications • Switching in SVC-applications Why Hitachi ABB Power Grids? • Longest experience and largest installed base with DCB,1600 in service • The most complete product portfolio up to 550 kV, 63 kA • Low environmental impact – low global warming impact with less equipment, lower losses etc • Local and global Hitachi ABB Power Grids industry and application support • Global service organization, local everywhere



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