ATSUB-4P-NR TT
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Catalog excerpts

ATSUB-4P-NR TT - 1

DATA SHEET > PROTECTION OF POWER SUPPLY LINES > ATSUB SERIES > ATSUB-4P-NR TT Compact protection for TT three-phase power supply lines > AT-8034 ATSUB-4P-NR 15 TT: peak current 15 kA. Un 230 V > AT-8030 ATSUB-4P-NR 40 TT: peak current 40 kA. Un 230 V > AT-8036 ATSUB-4P-NR 65 TT: peak current 65 kA. Un 230 V Effective protection against transient overvoltages for electrical supply lines with type TT neutral, using metal oxide varistors and gas discharge tubes. Medium protection according to the cascade protection recommended in the Spanish Low Voltage Regulations (REBT ITC23). It includes removable modules for replacement in the event of a breakdown or fault, without needing to disconnect the wiring. Tested and certified as type 1, 2 and 3 protectors according to the standard EN 61643-11 and GUÍA-BT-23 from the REBT. Suitable for categories I, II, III and IV equipment according to ITC-BT-23. > Can be coordinated with other protectors such as ATSHOCK, ATSHIELD and ATCOVER series. > Made up of zinc oxide varistors and gas discharge tubes able to withstand very high currents. > Short response time. > Do not produce deflagration. > Compact protection with removable modules for quick replacement in case of breakage. > Their activation causes no interruption in power supply. > Thermodynamic control device, mechanical warning and remote alarm. When the warning light is yellow, the cartridge is in good condition. If not, replace. When ATSUB protectors are installed as medium protection, they must be separated from the coarse and/or tight protectors by at least 10 metres of cable or, if this is not possible, by an ATLINK decoupling inductor, in order to achieve correct coordination between them. They are installed in parallel with the low voltage line, with connections to the phases to be protected, neutral and ground. Installation should be carried out without power running through the line. Installation is recommended in places where large overvoltages can occur and where lines are connected to very sensitive equipment that cannot withstand large overvoltages. ATSUB series protectors have been tested in official, independent laboratories, obtaining their characteristics according to relevant standards (listed in the table). Connection to earth is a must. Earthing in the whole installation must be bonded either directly or by a spark gap and resistance should be lower than 10 Ω. If the indications on this datasheet are not fulfilled during use or installation of the protectors, the protection provided by this device could be compromised. Aplicaciones Tecnológicas S.A. - Parque Tecnológico de Valencia - Nicolás Copérnico, 4 - 46980 Paterna (Valencia), Spain T +34 961 318 250 - F +34 961 318 206 - atsa@at3w.com - www.at3w.

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ATSUB-4P-NR TT - 2

DATA SHEET APLICACIONES TECNOLOGICAS > PROTECTION OF POWER SUPPLY LINES > ATSUB SERIES > TECHNICAL DATASHEET> DIMENSIONS (MM) > ACCESSORIES > AT-8248 ATSUB Mod. 40: Imax 40 kA > AT-8228 ATSUB Mod. 15: Imax 15 kA > AT-8268 ATSUB Mod. 65: Imax 65 kA > AT-8205 ATSUB Mod. N: neutral-ground (1) Required in cases where there is higher nominal current installed upstream from the protector Aplicaciones Tecnologicas S.A. - Parque Tecnologico de Valencia - Nicolas Copernico, 4 - 46980 Paterna (Valencia), Spain T +34 961 318 250 - F +34 961 318 206 - atsa@at3w.com - www.at3w.com

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