OBO V50-3-280 CombiController 3 poli 280V Tipo 1+2 scaricatore di corrente da fulmine 5093511

With a total lightning impulse current of 25 kA (10/350 µs), the OBO V50-3-280 CombiController provides robust protection for three-phase power systems against direct lightning strikes and surges.

Overview

The OBO V50-3-280 is a combined Type 1+2 surge protective device (SPD) designed for three-phase networks. It features three poles (L1, L2, L3) and a nominal voltage of 230/400 V AC. The unit is equipped with high-energy varistor technology and a visual status indicator for quick monitoring.

What stands out

• High lightning impulse current: 7.5 kA per pole (10/350 µs)
• Low voltage protection level: < 1.3 kV
• Compact 4 TE width for DIN rail mounting
• Wide operating temperature range: -40 to +80 °C

Technical details

• Max. continuous operating voltage (Uc): 280 V AC
• Nominal discharge current (In): 20 kA per pole (8/20 µs)
• Max. discharge current (Imax): 50 kA per pole (8/20 µs)
• Connection cross-section: 1.5 - 35 mm² (solid), 1.5 - 25 mm² (stranded)
• Mounting: 35 mm DIN rail
• Degree of protection: IP20

Our verdict

A powerful and reliable surge arrester for demanding three-phase installations, offering high discharge capacity and easy installation.