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Surge protection, external - OBO BETTERMANN
Surge protection devices (SPDs) for external installations, commonly referred to as Type 1 or Type 2 arresters, are critical for protecting electrical systems against direct and indirect lightning strikes and switching surges. These devices are designed to handle high-energy transients, with typical ratings including impulse currents up to 100 k...
Surge protection devices (SPDs) for external installations, commonly referred to as Type 1 or Type 2 arresters, are critical for protecting electrical systems against direct and indirect lightning strikes and switching surges. These devices are designed to handle high-energy transients, with typical ratings including impulse currents up to 100 kA (10/350 µs) for Type 1 and nominal discharge currents up to 20 kA (8/20 µs) for Type 2. They feature robust enclosures with IP ratings such as IP54 or IP65 for outdoor use, and are available in configurations like 1P, 2P, 3P, or 4P to match single-phase or three-phase systems. Key parameters include maximum continuous operating voltage (Uc), voltage protection level (Up), and response time in nanoseconds. These SPDs are often equipped with thermal disconnectors and remote signaling contacts for integration into monitoring systems.
These external surge protectors are deployed in a wide range of environments, including building entry points, telecommunication towers, solar photovoltaic installations, and industrial facilities. They are essential in main distribution boards (MDBs) and sub-distribution boards (SDBs) to safeguard sensitive equipment like variable frequency drives (VFDs), programmable logic controllers (PLCs), and power supplies. Common sectors include renewable energy, telecommunications, transportation infrastructure, and manufacturing plants where outdoor exposure to lightning is a risk.
The category includes several subcategories such as Type 1 lightning current arresters, Type 2 surge arresters, and combined Type 1+2 devices. Key article codes from OBO BETTERMANN include the OB0506 series, which typically follows a naming convention like OB0506-... where the suffix indicates specific ratings (e.g., OB0506-100 for 100 kA impulse current). Other relevant codes are OB0507 for Type 2 arresters and OB0508 for accessories like base elements and plug-in modules. These products are designed for modular installation on DIN rails, allowing easy replacement of protective elements without rewiring.
Partnering with Electric Automation Network ensures access to genuine OBO BETTERMANN surge protection with real-time pricing and up to 65% discount. Our engineering team provides personalized technical support for selecting the correct SPD based on system voltage, lightning risk assessment, and coordination with downstream protection. We offer express worldwide shipping, comprehensive documentation including datasheets and installation guides, and a streamlined procurement process for both small projects and large-scale industrial orders.
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