This Multi9 PRD1 product is a surge arrester. it can be installed in a variety of installations including service entrance, branch panels and control panel environments. It is connected to electrical distribution network. Its surge arrester class type is type 1. The Imax maximum discharge current is 75kA. It can be associated with a 30A and C curve tripping circuit breaker. The Uc maximum continuous operating voltage is 320VAC in common mode (L/N). The In nominal discharge current is 20kA (L/PE). The Up maximum voltage protection level is 1000V (L/N) and 2000V (L/L). It can be mounted on DIN rail for modular installation. Its width is 6 pitches of 9mm. The degree of protection is NEMA 1. The operating temperature is -25C to 60C. The storage temperature is -40C to 85C. This product complies with UL 1449 standard.