Modular Type 2 surge protective device with Imax 40 kA per pole and Uc 440 V AC, usable on IT earthing systems as well as TT/TNC/TNS. 1P, 3P and 4P versions are listed; 3P and 4P have remote status monitoring. Selection data come from the SPD technical-characteristics table.

Key features

• T2: Class II SPD for distribution boards
• In 20 kA, Imax 40 kA per pole
• Uc 440 V AC for IT systems
• Remote status monitoring on 3P and 4P

Applications

• Protection of equipment against transient overvoltages from lightning and switching
• Distribution boards, IT earthing systems

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): 440 V AC | Protection Level Up: 4122 30: 1.8 kV at 15 kA; 4122 32 and 4122 33: 2.1 kV at 20 kA | Protection Level Up at 5 kA: 1.3 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