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

Raycap ProBloc T1SG-255-3+1-E – 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 E 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
• Suitable for: Without lightning protection system & overhead line infeed
• High discharge capacity up to I_imp of 30 kA
  • Compact design for easy installation
    • Compliance with IEC 61643-11:2011 and EN 61643-11:2012+A11:2018
    • No leakage currents, ensuring long-term protection
    • Optionally available with remote signaling contacts

Technical specifications

• Nominal voltage (AC, 50/60Hz): 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): 7.5 kA / 30 kA
• Protection level (L-N / N-PE): 1500 V / 1500 V
• Response time: < 100 ns
• Protection category: IP 20
• Operating temperature range: -40 ºC to +85 ºC
• Mounting type: 35 mm DIN rail, EN 60715