Modular Type 2 surge protective device, Imax 20 kA per pole, 1P, 2P, 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 small installations
• Imax 20 kA per pole
• 1P+N and 3P+N available with FS remote status monitoring (4122 62 / 4122 63)

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 / 20 kA (Imax 20 kA/pole) | Max Continuous Operating Voltage (Uc): 320 V AC | Protection Level Up (2P and 1P; merged cell inferred): 1.2 kV at 5 kA | Protection Level Up (4P; merged cell inferred): 1.4 kV at 10 kA | Protection Level Up (1P+N): 1.2/1.4/1.4 kV at 5 kA (L-N/L-PE/N-PE) | Protection Level Up (3P+N): 1.4/1.4/1.4 kV at 10 kA (L-N/L-PE/N-PE) | Protection Level Up at 5 kA: 1.2 kV | Protective Device to be Used (upstream): DX3 20 A, C curve, 25 kA

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