Modular Type 2 surge protective device, Imax 40 kA per pole, 1P to 4P, 1P+N and 3P+N versions with or without remote status monitoring, Uc 320 V AC. Selection data come from the SPD technical-characteristics table; orderable plug-in/pole variants are listed by Cat.No.

Key features

• T2: Class II SPD for distribution boards
• In 20 kA, Imax 40 kA per pole
• 1P+N and 3P+N available with FS remote status monitoring (4122 66 / 4122 67)

Applications

• Protection of equipment against transient overvoltages from lightning and switching
• Main and secondary distribution boards

Specifications

Network: 230/400 V AC power network (50/60 Hz) | Degree of Protection: IP 20 | Operating Temperature: -10 °C to +40 °C | Storage Temperature: -20 °C to +70 °C | Protection Mode Key: CT1: L(N)-PE protection modes; CT2: L-N and N-PE protection modes (1P+N and 3P+N, also called 1+1 / 3+1) | Type: T2 / 40 kA (Imax 40 kA/pole) | Max Continuous Operating Voltage (Uc): 320 V AC | Protection Level Up (1P, 2P; merged cell inferred): 1.5 kV at 15 kA | Protection Level Up (3P, 4P; merged cell inferred): 1.7 kV at 20 kA | Protection Level Up (1P+N): 1.5/1.6/1.4 kV at 15 kA (L-N/L-PE/N-PE) | Protection Level Up (3P+N): 1.7/2/1.4 kV at 20 kA (L-N/L-PE/N-PE) | Protection Level Up at 5 kA: 1 kV | Protective Device to be Used (upstream): DX3 25 A, C curve, 50 kA

Standards: EN/IEC 61643-11 | EN 61643-11 | IEC 61643-11