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SPD2 surge protector is used for TN-S, TN-C, TN-CS, TT, IT and other power supply systems with AC 50HZ/60HZ, 380V and below. The shell of this product is designed to be installed on 35mm electrical rails, with a built-in failure to escape device When the lightning protector fails due to overcurrent, overheating, or breakdown, the failure release device can automatically disconnect it from the power grid, and the visual alarm indicator changes from green (normal) to red (fault). The protection module can be replaced when there is working voltage. ------ Compared 40KA 275V: For AC200V-AC300V Circuit protection | 20-40kA Discharge Current 40KA 385V: For AC230V-AC400V Circuit protection | 20-40kA Discharge Current 40KA 110V: For AC100V-AC120V Circuit protection | 20-40kA Discharge Current 60KA 275V: For AC200V-AC300V Circuit protection | 30-60kA Discharge Current 60KA 385V: For AC230V-AC400V Circuit protection | 30-60kA Discharge Current 60KA 110V: For AC100V-AC120V Circuit protection | 30-60kA Discharge Current 80KA 275V: For AC200V-AC300V Circuit protection | 40-80kA Discharge Current 80KA 385V: For AC230V-AC400V Circuit protection | 40-80kA Discharge Current 80KA 110V: For AC100V-AC120V Circuit protection | 40-80kA Discharge Current ------ Specifications Model: SPD2 Maximum continuous working voltage (Uc): 275V 320V 385V 420V 440V Poles: 1P 2P 3P 4P lightning Wave: 8/20μS Nominal discharge current (In): 20kA(8/20us) Maximum discharge current (Imax): 40kA(8/20us) Voltage protection level (Up): < 1.2kV / 1.5kV / 1.8kV / 2.0kV Working Frequency: 50/60Hz Response time (Ta): ≤25ns Access wire section (L/N): 16-25mm2 Working environment: -40℃~+85℃ Relative humidity: ≤95% Operating Altitude: 2000 Meter Protection grade: IP20 Installation Method: 35MM DIN Rail Standard: IEC61643-1 ------ Features 1. The inner metal shielding protection module adopts patented technology. 2. Built-in over-current and over-heating, temperature control circuit breaker technology. 3. Modular design, easy installation, and online replacement. 4. The leakage current is small, the response time is fast, and the residual voltage is low. 5. Alarm indicating device, green (normal), red (fault). ------ Package 1x SPD2 Surge Protector ------ Note Installed in the distribution box of the floor distribution box, computer center, telecommunications room, elevator control room, frequency conversion equipment control room, hospital operating room, monitoring room, and distribution box equipped with electronic medical equipment. The SPD should be installed in distributed villas. In the household distribution box.