Technical Data Parameter Specification / Value Application Standard IEC/EN 61643-11 Protection Type / Class Type 1 + Type 2 Combined (Class I + II) System & Rated Voltage 400 V AC, 3P+N (50/60 Hz) Maximum Continuous Operating Voltage (Uc) 320 V AC (Line-Neutral) / 420 V AC (Line-Line) Impulse Discharge Current (Iimp) 10/350 µs 60 kA (per pole) Nominal Discharge Current (In) 8/20 µs 70 kA (per pole) Maximum Discharge Current (Imax) 8/20 µs 100 kA (per pole) Voltage Protection Level (Up) @ In ≤ 2.0 kV (Line-Neutral) Response Time < 100 ns Short-Circuit Withstand Rating According to IEC 61643-11 Back-up Fuse Recommendation Required. Typically 125 A or 160 A gL/gG (Consult local regulations and the official ABB installation guide). Connection Cross-Section Line & Neutral: 16 - 70 mm² (copper) Earth/PE: 25 - 70 mm² (copper) Housing Material Thermoplastic (UL94 V-0) Protection Degree (IP) IP20 (for mounting inside an enclosure) Operating Temperature Range -40 °C to +80 °C Status Indication Visual window with color flag (Green = OK, Red = Fault/End-of-Life) Mounting DIN-rail mountable (35 mm) Dimensions (H x W x D) Approx. 288 mm x 90 mm x 75 mm (Verify with latest datasheet) Key Model Decode (PSE300-600-70) PSE: Series 300: Uc & Platform Code (320/420V) 600: Iimp = 60 kA 70: In = 70 kA