OBO V50 combination surge arrester, 3-pole + NPE, 280 V

OBO Überspannungsableiter AC Typ I+II, V50

Type of manufacturer:	V50-3+NPE-280
Manufacturer Art. No.:	5093526
Art. Nr.:	3902
Pieces per package unit:	1 per carton 864 per pallet

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Product number: 3902

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Product number: 3902

Tech tip

The ideal location for installing this arrester is the top-hat rail in the upper meter compartment. All the necessary jumpers can be easily installed from the main tap-off terminal. Simply connect a 16 mm^² earthing cable to the equipotential bonding bar, and the AC side is complete.

OBO V50 combination surge arrester, 3-pole + NPE 280 V

Manufacturer’s reference: 5093526 / V50-3+NPE-280

Type 1+2 combined lightning current arrester for the discharge of lightning currents or partial lightning currents in the event of direct strikes, or of overvoltages caused by remote or nearby strikes or switching operations. For use in buildings in lightning protection classes III and IV. Discharge capacity 12.5 kA (10/350) per pole and up to 50 kA (10/350) in total. For use in TN, TN-CS, TN-S and TT systems. Encapsulated zinc oxide varistor arresters. With thermal and dynamic disconnection mechanism. With visual function indicator. Locking mechanism with vibration protection and voltage coding. Made from halogen-free plastic (UL 94 V-0).

Product features

Dimension: 280V
Width in pitch units: 4
Number of poles: 3
Lightning surge current (10/350) [total]: 50 kA
Remote signalling: no
Follow-current breaking capacity (eff) [N-PE]: 0.1 kA
Maximum continuous AC voltage: 280 V
Maximum continuous voltage (L-N): 280 V
Maximum upstream fuse rating: 160 A
Rated AC voltage (50 / 60 Hz): 230 V
Mains configuration: TN-S, TT
Protection level: ≤1.3 kV
Protection level [L-N]: ≤1.3 kV
Protection level [N-PE]: 1.5 kV
Combined protection level [L-PE]: 2.5 kV
Signalling on the device: visual
SPD in accordance with EN 61643-11: Type 1+2
Approvals: VDE, KEMA, UL and ÖVE
Lightning surge current (10/350 µs) [L-N/PE]: 12.5 kA
Lightning surge current (10/350 µs): 12.5 kA
Fault indication: visual
Integrated backup fuse: no
Short-circuit withstand capacity at maximum mains overcurrent protection: 50 kA rms
Protection class: IP20
Housing material: PA UL 94 V-0
Operating temperature range: -40 – 80 °C
Mounting type: 35 mm top-hat rail
Discharge surge current (8/20 µs) [total]: 80 kA
Rated surge current (8/20 µs) [L-N]: 30 kA
Maximum surge current (8/20 µs): 50 kA
Maximum surge current (8/20 µs) [L-N]: 50 kA

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