DC surge arrester for PV 1000VDC,...
DC surge arrester for PV 1000VDC, 20/40 kA
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Type 2 surge arresters for DC (PV) networks
The type 2 surge arresters are applicable to discharge overvoltage occurred by switch-type (8/20 μs wave-form) over-currents.
The DC arresters were developed especially for direct current networks of photovoltaic (PV) systems.
These protectors are modular types with changeable insert; the auxiliary contact is mounted to the base of device.
Tracon code TTV2-40-DC-1000
Max. operational voltage (Uc): 1000 V DC
Nominal discharge current (In, 8/20 μs): 20 kA
Protection level (Up): 2,5 kV
Follow current limitation: 125 A gG
Follow current extinguishing capability: 25 kA/AC
Response time <25ns
Leakage current at Uc <1,5mA
Protection level IP 20
Ambient temperature: -40 °C ... +80 °C
Terminals: elevator clamp
Integrated protection devices: Varistor, thermal fuse
Mounting: on 7.5 x 35 mm size mounting rail (EN 50022)
Auxiliary status contact: included (closing contact, 1 × NO)
Failure signal: red optical signal
solid: 6 - 35 mm²
flexible: 6 - 25 mm²
Flammability of housing: UL94-V0
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