This Easy9 product is a surge arrester. This product, according to Imax maximum discharge current of 20kA, is recommended for a medium risk level. It can be associated with a 25A and C curve tripping circuit breaker. The Uc maximum continuous operating voltage is 275VAC in common mode (L/PE or N/PE). The In nominal discharge current is 10kA. The Up maximum voltage protection level is 1.3kV It can be mounted on DIN rail for modular installation. Its width is 2 pitches of 9mm. According to IEC 60529 standard, the degree of protection is IP40 in modular enclosure. The operating temperature is -5°C to 60°C. The storage temperature is -5°C to 70°C. This product complies with IEC 61643-11 standard.