Surge Protector Type 1+2 (BC) 12.5kA 2P+G DS50PV-1000G/12KT1 C482383

Product: DC Type 2 surge protector designed for photovoltaic installations, 1000 V variant (catalog designation: DS50VGPVS-1000G/51). The device provides surge protection between PV poles and to PE (common and differential mode) and is made using GSG (gas-filled spark gap) technology with an integrated varistor module, ensuring high reliability and no leakage current in operating state.

About the Manufacturer

CITEL is an international specialist in surge protection. The company designs and manufactures solutions for securing power networks, photovoltaic systems, telecommunications, and data transmission. In the CITEL catalog, the VGPVS series includes products featuring patented VG technology that combines the advantages of gas-filled spark gaps with high-class varistors, offering improved protection levels, parameter stability, and minimal leakage currents.

Electrical / Technical Parameters

• Nominal voltage (UOCSTC): 1000 Vdc
• Maximum permissible operating voltage (UCPV): 1200 Vdc
• Generator short-circuit withstand (ISCWPV): 1000 A
• Nominal surge current (In) – 15 x 8/20 µs: 15 kA
• Maximum surge current (Imax) – 8/20 µs: 40 kA
• Lightning surge current (Iimp) – 10/350 µs: (typically Type 2 - no Iimp value; device designed as Type 2 for DC)
• Protection level (Up) at In: typically < 3.5 kV (for 1000 V variant)
• Protection technology: VG-Technology – gas-filled spark gap (GSG) + varistors, no leakage current (leakage-free)
• Additional functions: integrated safe thermal separation, status signaling (connection for remote signaling of potential-free contacts)

Mechanical Parameters

• Mounting width: 3 TE (DIN 43880)
• Wire connections: 2.5 – 25 mm² (recommended)/up to 35 mm² (depending on variant)
• Status signaling: mechanical (red indicator) + potential-free contact output for remote signaling
• Mounting: on 35 mm rail (Hutschiene)
• Protection degree: IP20
• Operating temperature range: -40 °C to +85 °C
• Housing material: thermoplastic PEI, UL-94 V0 classification
• Safety functions: double, safe galvanic separation; no leakage current in operating state (ideal for insulation measurements and PV systems)

Notes: Description based on the specification of the DS50VGPVS variant with a nominal voltage of 1000 Vdc (catalog designation DS50VGPVS-1000G/51). Mechanical data includes information on standard mounting width (3 TE) and wire connection listed in the CITEL catalog data sheet.