DC SPU
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Type 1+2 PV SPD | Y-Connection | No Back-Up Fuse | LPL III–IV
Combined Type 1+2 surge arresters for photovoltaic DC systems in a Y-connection topology. Each varistor path (L+, L–, PE) includes an internal thermal disconnector capable of interrupting DC current, allowing installation without a back-up fuse. Intended for PV sites with an external LPS where the separation distance “s” cannot be observed. Suitable for LPL III–IV. Options include M (removable module) and DS (remote monitoring).
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Type 1+2 DC SPD MYH9 | 600 Vdc | In 20 kA
The MYH9 is a combined Type 1+2 DC surge protective device for 600 Vdc systems. It handles In 20 kA and Imax 40 kA on the 8/20 µs waveform, withstands Iimp 12.5 kA on 10/350 µs lightning impulses, and limits residual voltage to ≤2.6 kV—ideal for PV arrays and other DC panels.
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Type 2 PV Surge Arrester (U/Y Connection) | No Back-Up Fuse | Remote Monitoring
Type 2 surge arresters for the DC side of photovoltaic systems, offered in U or Y connection. The Y variant provides earth-resistant working conductors with zero residual current through PE. Each varistor path has an internal disconnector capable of interrupting DC current, allowing installation without a back-up fuse. Versions include M (removable module) and S (remote monitoring).
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1500V DC Type 2 PV Surge Protective Device | IEC/EN 61643-31:2018
A Type 2 1500V DC surge protective device for solar photovoltaic systems. It uses three pluggable high-energy MOV modules, includes a thermal disconnect with clear fault indication, and offers an optional remote signaling contact for monitoring and alarms. Compliant with IEC/EN 61643-31:2018 for PV applications.
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Type 2 DC Surge Protective Device with Remote Changeover Contact | DIN-Rail, IP20
A compact Type 2 DC surge protective device designed for use at LPZ 0B–1 and higher, featuring an FM remote changeover contact for status signaling. It mounts on a 35 mm DIN rail, offers IP20 protection, requires just 54 mm of space, and complies with IEC/EN 61643-11 plus vibration and shock standards. EAC certification included.
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