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 550VAC in common mode (L/N). The In nominal discharge current is 10kA (L/PE). The Up maximum voltage protection level is 1500V (L/N) and 3000V (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 -25°C to 60°C. The storage temperature is -40°C to 85°C. This product complies with UL 1449 standard. Specifications Main Range Multi9 Product name Multi9 PRD1 Product or component type Surge arrester Device short name PRD1 75r Poles description 3P Remote signalling With Signal contacts composition 1 SD (1 C/O) Surge arrester type Electrical distribution network Standards UL 1449:ed. 4 Complementary Surge arrester class type Type 1 Surge arrester technology MOV Wiring configuration 4-wire Nominal discharge current Common mode 10 kA L/PE) Maximum discharge current 75 kA [Iimp] impulse current 75 kA [Uc] maximum continuous operating voltage Common mode 550 V AC L/PE Differential mode 1100 V AC L/L Maximum [Up] voltage protection level <1500 V L/PE <3000 V L/L Disconnector device type Associated circuit breaker Short-circuit withstand 200 kA Local signalling Green mechanical indicator operating Red mechanical indicator end of life Mounting mode Clip-on Mounting support DIN rail 9 mm pitches 6 Height 3.6 in (91.7 mm) Width 2.07 in (52.5 mm) Depth 2.8 in (71.4 mm) Net weight 18.4 oz (522 g) Colour Grey RAL 7035) Response time < 25 ns Connections - terminals Tunnel type terminal 0.009…0.05 in² (6…35 mm²) AWG 10...AWG 2) - rigid Tunnel type terminal 0.009…0.04 in² (6…25 mm²) AWG 10...AWG 4) - flexible Tunnel type terminal dry contacts) 0.0008…0.002 in² (0.5…1.5 mm²) Wire stripping length 0.4 in (10 mm) for L/N connection 0.4 in (10 mm) for PE connection 0.2 in (6 mm) for dry contacts connection Tightening torque 26.6 lbf.in (3 N.m) L/N 26.6 lbf.in (3 N.m) PE Environment IP degree of protection NEMA 1 built-in: Pollution degree 3 Relative humidity 0…95 % Operating altitude 2000 m Ambient air temperature for operation -13…140 °F (-25…60 °C) Ambient air temperature for storage -40…185 °F (-40…85 °C)