Multi-pole lightning arrester according to the requirements of Class I acc. to IEC 61643-11, EN61643-11:2013. On interface transition from 0 to 1 (acc. to IEC 1312-1), the arrester, consisting of V0 material, serves as lightning protection providing equipotential bonding and is used in applications according to IEC 61643-12. The use of a high-performance varistor meets the inspection requirements for Class I surge protection systems according to the VDEW (Association of German Power Stations) directive. The arrester is installed in a commercially available installation/electrical distribution enclosure, in the vicinity of the power-supply unit for the equipment that needs protection. The VPU I 4 400 V/12.5 kA is used in the TN-S mains network. With thermal separation device on the varistor. In case of insufficient protection, the colour in the display window changes from green to red. Rated voltage: 400 VAC lightning test current (10/350 µs): 12.5 kA protection level with lightning test current < 1.8 kV 25 kA short-circuit withstand rating with max. back-up fuse of 250 A gl Type: Weidmüller VPU I 4 400 V/12.5 kA Order No. 1437990000 or equivalent
Short specification
Class I arrester for LPL III/IV with 12.5 kA, suitable for 400/690 V TN-C mains systems. Protection level < 1.8 kV. With remote alert, type: Weidmüller VPU I 3 R 400 V/12.5 kA, order no. 1352350000 or equivalent
Multi-pole lightning arrester according to the requirements of Class I acc. to IEC 61643-11, EN61643-11:2013. On interface transition from 0 to 1 (acc. to IEC 1312-1), the arrester, consisting of V0 material, serves as lightning protection providing equipotential bonding and is used in applications according to IEC 61643-12. The use of a high-performance varistor meets the inspection requirements for Class I surge protection systems according to the VDEW (Association of German Power Stations) directive. The arrester is installed in a commercially available installation/electrical distribution enclosure, in the vicinity of the power-supply unit for the equipment that needs protection. The VPU I 4 400 V/12.5 kA is used in the TN-S mains network. With thermal separation device on the varistor. In case of insufficient protection, the colour in the display window changes from green to red. Rated voltage: 400 VAC lightning test current (10/350 µs): 12.5 kA protection level with lightning test current < 1.8 kV 25 kA short-circuit withstand rating with max. back-up fuse of 250 A gl Type: Weidmüller VPU I 4 400 V/12.5 kA Order No. 1437990000 or equivalent
Short specification
Class I arrester for LPL III/IV with 12.5 kA, suitable for 400/690 V TN-C mains systems. Protection level < 1.8 kV. With remote alert, type: Weidmüller VPU I 3 R 400 V/12.5 kA, order no. 1352350000 or equivalent
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