Raycap ProBloc T1SG-255-3+1 – leakage current free

Raycap ProBloc T1SG-255-3+1 – leakage current free

The ProBloc T1SG product range uses an innovative single-cell spark gap technology that has been developed specifically for the increasingly demanding conditions in the power grid.

The Raycap ProBloc T1SG 255 3+1 is a powerful lightning and overvoltage protection device that has been specially developed for use in main distribution boards in TT and TN-S networks. This compact device offers comprehensive protection for sensitive electrical systems. Thanks to its high discharge capacity and robust design, it is ideal for long-term protection against lightning strikes and surges. Thanks to its compact design and conformity with IEC and EN standards, tested for type I, II, and III, this device offers reliable protection in demanding environments. 

Product advantages

• Combined lightning and overvoltage protection in one device, type I, II, and III
• Protection for main distribution boards in TT and TN-S systems
• Suitable for: Without lightning protection system & overhead line infeed
• Compatible with protection classes III and IV
• High discharge capacity up to I_imp of 50 kA
  • Compact design for easy installation
  • High lightning surge current capacity for maximum safety
    • Compliance with IEC 61643-11:2011 and EN 61643-11:2012+A11:2018
    • Integrated overvoltage protection for increased operational safety

Technical specifications

• Nominal voltage AC: 240 V
• Maximum continuous voltage (L-N / N-PE): 255 V / 305 V
• Nominal discharge current (8/20 µs) (L-N / N-PE): 20 kA / 50 kA
• Maximum discharge current (8/20 µs) (L-N / N-PE): 50 kA / 100 kA
• Lightning surge current (10/350 µs) (L-N / N-PE): 12.5 kA / 50 kA
• Protection level (L-N / N-PE): 1500 V / 1500 V
• Protection category: IP 20
• Operating temperature range: -40 ºC to +85 ºC
• Mounting type: 35 mm DIN rail, EN 60715
• Weight: 430g