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

Raycap ProBloc T1SG-255-3+1 – 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 is a high-performance surge protection device specifically designed for use in main distribution boards in TT and TN-S network systems. It offers comprehensive protection against lightning and surge damage and is classified in protection classes III and IV.  Thanks to 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
• Protection for main distribution boards in TT and TN-S systems
• For: Without a lightning protection system & overhead line feed
• Compatible with protection classes III and IV
• High discharge capacity up to I_imp of 50 kA
• Compact design, ideal for space-saving installations
• High surge current capacity for maximum safety
• Compliant with IEC 61643-11:2011 and EN 61643-11:2012+A11:2018
• Integrated overcurrent protection for increased operational safety

Technical specifications - Raycap ProBloc T1SG-255-3+1 - residual current free:

• Rated voltage AC: 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 discharge surge 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
• Operating temperature range: -40 ºC to +85 ºC
• Protection class: IP 20
• Mounting type: 35 mm top-hat rail, EN 60715
• Weight: 430 g