A surge protection device is a device that prevents the transmission of lightning to electrical equipment. The task of this device is to limit and minimize the influence of lightning on surrounding electrical equipment along power lines, signal lines, and metal wires.
STP T12 12.5 is the series of combined Type 1+2/Class I+II devices for discharging lightning currents and protecting against voltage surges, in accordance with IEC/EN 61643-11. Suitable as the first step of protection in incoming power supply panels and areas with exposure to the atmosphere, where installations are usually provided with an external lightning protection system.
Download: Catalogue
RATINGS AND FEATURES
- Lightning impulse current (10/350μs): 12.5kA per phase
- Maximum discharge current (8/20μs): 50kA per phase
- Nominal discharge current (8/20μs): 20kA per phase
- TNS, TNC, TT and IT networks
- Un(L-N/L-L): 60V, 120/208V, 230/400V, 277/480V and 400/690V
- DIN-rail mountable, plug-in format
- Visual and remote end of life indicators
- Reversible chassis to allow cable entry from above or below
- Mechanically coded cartridges to avoid cartridge replacement errors
- Standards: IEC 61643-11, EN 61643-11
CATALOGUE NUMBERS
| STPT12-12K275V-1P – 83120102 | STPT12-12K320V-1P – 83120104 | STPT12-12K440V-1P – 83120106 |
| STPT12-12K275V-1PM – 83120103 | STPT12-12K320V-1PM – 83120105 | STPT12-12K440V-1PM – 83120107 |
| STPT12-12K275V-2P – 83120120 | STPT12-12K320V-2P – 83120122 | STPT12-12K440V-2P – 83120124 |
| STPT12-12K275V-2PG – 83120114 | STPT12-12K320V-2PG – 83120116 | STPT12-12K440V-2PM – 83120125 |
| STPT12-12K275V-2PGM – 83120115 | STPT12-12K320V-2PGM – 83120117 | STPT12-12K440V-3P – 83120134 |
| STPT12-12K275V-2PM – 83120121 | STPT12-12K320V-2PM – 83120123 | STPT12-12K440V-3PM – 83120135 |
| STPT12-12K275V-3P – 83120130 | STPT12-12K320V-3P – 83120132 | STPT12-12K440V-4P – 83120148 |
| STPT12-12K275V-3PM – 83120131 | STPT12-12K320V-3PM – 83120133 | STPT12-12K440V-4PM – 83120149 |
| STPT12-12K275V-4P – 83120144 | STPT12-12K320V-4P – 83120146 | STPT12-12K75V-2P – 83120126 |
| STPT12-12K275V-4PG – 83120138 | STPT12-12K320V-4PG – 83120140 | STPT12-12K75V-2PM – 83120127 |
| STPT12-12K275V-4PGM – 83120139 | STPT12-12K320V-4PGM – 83120141 | STPT12-25K-N – 83120108 |
| STPT12-12K275V-4PM – 83120145 | STPT12-12K320V-4PM – 83120147 | STPT12-50K-N – 83120110 |
GIC is always committed to bringing satisfaction to customers. For further information, please do not hesitate to contact us.
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GLOBAL INFRASTRUCTURE CORPORATION

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