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

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

The ProBloc T1SG product range utilises innovative single-cell spark gap technology, which has been specially developed for the increasingly demanding conditions in the power grid.

 The Raycap ProBloc T1SG 255 3+1 E is a high-performance lightning and surge protection device, specifically designed 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 construction, it is ideally suited for long-term protection against lightning strikes and surges. With its compact design and compliance with IEC and EN standards, tested for Type 1+2+3, this device offers reliable protection in demanding environments. 

Product benefits

• Combined lightning and surge protection in a single Type 1+2+3 device
• For: Without a lightning protection system & overhead line feed
• 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 signalling contacts

Technical specifications

• Rated voltage (AC, 50/60 Hz): 240 V
• Maximum continuous voltage (L-N / N-PE): 255 V / 305 V
• Rated surge current (8/20 µs) (L-N / N-PE): 20 kA / 50 kA
• Maximum surge 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 class: IP 20
• Operating temperature range: -40 ºC to +85 ºC
• Mounting type: 35 mm top-hat rail, EN 60715