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The ETITEC EM T12 PV 1100/6.25 Y surge arrester is a reliable device for protecting photovoltaic (PV) systems from impulse surges in DC networks with voltages up to 1100 V. Designed to prevent damage to solar panels, inverters, and other equipment that may occur due to atmospheric discharges or internal switching surges. The arrester has a maximum surge withstand capacity of 6.25 kA and complies with the IEC 61643-11 (Type 2) standard. Thanks to its Y-configuration design and DIN-rail mounting, the device integrates easily into photovoltaic systems of any scale, providing effective protection and a long service life.
Technical Specifications
- Rated operating voltage (Un): 1100 V DC
- Maximum discharge current (Imax): 40 kA (8/20 μs)
- Protection class: Type 2 according to IEC 61643-11
- Connection configuration: Y-configuration
- Response time: ≤ 25 nanoseconds
- Operating temperature range: from -40°C to +85°C
- Enclosure protection rating: IP20
- Mounting: DIN rail (TS 35 mm)
- Dimensions: compact housing for installation in distribution panels
- Compliance with standards: IEC 61643-11, UL 1449 4th Edition
Features and benefits
- Designed for PV systems with voltages up to 1100 V: ensures reliable equipment protection.
- 6.25 kA surge withstand capacity: provides protection against medium-intensity surge voltages.
- Fast response: response time does not exceed 25 nanoseconds, reducing the risk of damage.
- Easy installation: Mounts on a standard DIN rail without additional complications.
- Compliance with international standards: A guarantee of quality and safety.
- Resistance to temperature fluctuations: Ensures long-term operation under various conditions.
- Y-configuration: provides comprehensive protection for DC lines in PV systems.
Applications
- Protection of small and medium-scale photovoltaic power plants.
- Installation in solar inverter systems to protect against transient overvoltages.
- Integration into distribution panels of PV systems with voltages up to 1100 V DC.
- Protection of electronics and power components in solar energy management systems.
- Applications in commercial and residential solar installations.
Accessories and components
- DIN rails and mounting brackets for convenient and reliable installation.
- Connection terminals and wires compatible with ETITEC EM T12 PV 1100/6.25 Y.
- Device status indicators for quick fault detection.
- Additional protection modules to enhance comprehensive system protection.
- Enclosures for protection against moisture and aggressive environments (if needed).
Total Energo LLC
Total Energo LLC is the official distributor of ETITEC equipment in Ukraine. We provide certified surge arresters, technical support, equipment selection consultations, and maintenance services. Working with us guarantees reliable protection for your solar power plant and long-term system operation.