V 20-C/3-PH-Y: Bottom part for photovoltaic systems up to Uoc = 1,000 V (Y-circuit) • Suitable for V 25-B+C upper parts type 1+2 combination arrestor• Suitable for V 20-C upper parts type 2 surge arrestor• Protection circuit against transverse and longitudinal voltages• Y-protection circuit• Low protection level < 4.0 kV (Uoc max = 1,000 V DC with V20-C/0-440)• Low protection level < 3.0 kV (Uoc max = 900 V DC with V25-B+C/0-385)• Low protection level < 2.6 kV (Uoc max = 600 V DC with V50-C/0-280)Indicated connectorsApplication: In photovoltaic systems between PH modules and inverters.
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