- Product description
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Product description
Base for V 50-B+C, combination arrester, lightning and surge arrester, type 1+2
• Suitable for V25-B+C, V20-C and V10-C
• Pre-mounted and ready for connection
• Multifunction terminals for easy connection with series-mounted devices
• Upper parts can be rotated through 180 degrees
• With remote signalling and potential-free NO contact for function monitoring
• 3+1 protection circuit for TN-S and TT network systems
Application: Lightning protection equipotential bonding in buildings, even those with external lightning protection of class III and IV, and in standard distributor housings.
Base
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- Technical data
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Technical data
Blow-out no Conductor cross-section, flexible (fine-wire), min. 25 mm² Conductor cross-section, rigid (single-wire/multiwire), max. 35 mm² DC network form no Dimension 3+NPE+FS Installation type DIN rail 35 mm Integrated back-up fuse no IT network form no Lightning protection zone LPZ 0→2 Lightning surge current (10/350) 50 kA Maximum back-up fuse 125 A Maximum continuous voltage (N-PE) 255 V Maximum continuous voltage AC 280 Maximum discharge current (8/20 μs) 50 kA Network form Other Nominal discharge current (8/20 µs) [N-PE] 50 kA Nominal voltage AC (50/60 Hz) 230 V Operating temperature, max. 80 °C Operating temperature, min. -40 °C Other network form no Pole number 3 Pole version 3+N/PE Protection rating IP20 Remote signalling yes Response time <25 ns Signalling on device Visual SPD to EN 61643-11 Type 1+2 SPD to IEC 61643-1 Class I+II TN network form yes TN-C network form yes TN-C-S network form yes TN-S network form yes TT network form yes Version for 3+NPE + FS Connectivity options
Arrester surge current (8/20 µs) [total] 50 kA Conductor cross-section, rigid (single-wire/multiwire), min. 2,5 mm² Max. mains-side overcurrent protection 125 Protection level [L-N] ≤1,3 - All types
- Downloads
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Data sheet MB 50-3+NPE+FS / 5096677 , 0.17MB , pdfDeclaration of conformity MB 50-3+NPE+FS / 5096677 , 0.04MB , pdfSelection aid Selection aid, surge protection , 2.00MB , pdf
United Arab Emirates - English