ABB Surge Suppressor Unit The ABB OVR series surge suppressor unit is a protective device to ensure that electrical equipment is not damaged by a sudden voltage spike. It has an electrical rating of 275V and 80kA. Type 1 and Type 1+2 SPDs can be installed at the entrance in the main switchboard for global protection of electrical installations. Features and Benefits • Back up protection up to 160A fuse or 125A Mcb
• DIN rail mount
• Has 3 protected lines
• Improved safety
• Operating temperature ranges between -40°C and 80°C
• Patented QuickSafe technology
• Pluggable
• Protection mode L-N/L-PE/N-PE
• Safety reserve system
• Voltage protection level at L-N is 1.4kV/ L-PE is 1.5kV/ N-PE is 1.4kV Applications • To protect the systems against transient overvoltage (lightning) Certifications • IEC 61643-11 / EN 61643-11