The Elko-Bis ESPPV V T12 12.5/1000 Y surge arrester is designed for indoor installation on a TH 35 rail and features a visual fault indicator.

• Maximum continuous operating voltage: 1050 V DC
• Total lightning impulse current (10/350 µs): 12.5 kA
• Total nominal discharge current (8/20 µs): 80 kA
• Maximum discharge current (8/20 µs): 40 kA
• Nominal discharge current (8/20 µs): 20 kA
• Voltage protection level: +/- 3.8 kV
• Short-circuit withstand capability: 20 kA DC
• Response time: 25 ns
• Leakage current +/PE, -/PE: 10 µA DC and 500 µA AC
• Conductor connection: solid/stranded 4–35 mm², stranded 4–25 mm²
• Degree of protection: IP20
• Operating and storage temperature: -40°C ... +80°C
• Permissible humidity: 5–95%
• Dimensions: width 80 mm, height 80 mm, length 120 mm
• Standards: EN 61643-31, IEC 61643-31