Other Breaker & Protector

20ka 1p+Npe Type 2+3 Surge Protective Devices (SPD) Class 2

Product Description Application This T2 spd surge protective device is applied low voltage standard IEC EN 61643-11 to protect against AC power line system and other equipment from over voltage and instantaneous over voltage damage. Widely used in photovoltaic comber box, power inverter, DC distribution cabinet etc. It has advantages of large discharge current, fast respond time, low residual voltage.The max. PV voltage up to Uc ≤275V . Features 1. Prewired complete unit consisting of a base part and plug-in protection modules 2. High discharge capacity due to heavy duty zinc oxide varistors 3. High reliability due to 'temperature-controlled' SPD monitoring device 4 .Din rail installation, easy to install. 5. Inside over-current, over-heat, temperature control open circuit. 6. Fast response time, low residual voltage. 7. Window color indicates working condition, green means normal, red means fault. 8. Class II T2 protection degree. Installation position The cross-sectional area of ground wire should not be less than 4 mm2, and the length of total lead not more than 0.5m. 0.5MM The minimum distance from any earthed conductive surface at which the SPD can be installed is 8mm. Connection of remote signalling alarm: the SPD is provided with remote signalling interfaces (NC, COM and NO, normally closed), applicable for remote centralized monitoring or alarm. After the connection, check if the module is fitted in. If so, NC and COM are closed; if not, repress the module. IEC Electrical 75 150 275 320 385 440 Nominal AC Voltage (50/60Hz) Uo/ Un 60 V 120 V 230 V 230 V 230 V 400 V Maximum Continuous Operating Voltage (AC) Uc 75 V 150 V 275V 320 V 385 V 440 V Nominal Discharge Current (8/20 μs) In 10 kA 10 kA 10 kA 10 kA 10 kA 10 kA Maximum Discharge Current (8/20 μs) Imax 20 kA 20 kA 20 kA 20 kA 20 kA 20 kA Voltage Protection Level Up 0.2 kV 0.6 kV 1.3 kV 1.5 kV 1.5 kV 1.8 kV Response Time tA < 25 ns Back-Up Fuse (max) 125 A gL / gG Short-Circuit Current Rating (AC) ISCCR 10 kA TOV Withstand 5s UT 90V 180V 335V 335V 335V 580V TOV 120min UT 115V 230V 440V 440V 440V 765V mode Withstand Withstand Safe Fail Safe Fail Safe Fail Safe Fail Mechanical & Environmental Operating Temperature Range Ta -40ºF to +158ºF [-40ºC to +70ºC] Permissible Operating Humidity RH 5%...95% Atmospheric pressure and altitude 80k Pa ... 106k Pa / -500 m.....2000 m Terminal Screw Torque Mmax 39.9 Ibf ·in [4.5 Nm] Conductor Cross Section (max) 2 AWG (Solid, Stranded) / 4 AWG (Flexible) 35 mm2 (Solid, Stranded) / 25 mm2(Flexible) Mounting 35 mm DIN Rail, EN 60715 Degree of Protection IP 20 (built-in) Housing Material Thermoplastic: Extinguishing Degree UL 94 V-0 Thermal Protection Yes Operating State / Fault Indication Green ok / Red defect Remote Contacts (RC)RC Switching CapacityRC Conductor Cross Section (max) OptionalAC: 250V / 0.5 A; DC: 250V / 0.1 A;125V / 0.2 A;75V / 0.5 A16 AWG (Solid) / 1.5 mm2(Solid) Internal Configuration 2P 1P+NPE Dimensions & Packaging 2P 1P+NPE Connection Diagram 2P 1P+NPE

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