https://www.phoenixcontact.com/us/products/2800718 Surge protection device - SYS N4X/I 277/480Y - 2800718 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) Indoor/outdoor lightning arrester and TVSS system for 277/480 V Wye system Product description Combination lightning arrester and TVSS for 277/480 V Wye. Components are housed in an IP66/NEMA 4X cabinet and include phase indicator lamps. Key commercial data Packing unit 1 pc Custom tariff number 85363090 Country of origin United States Technical data Dimensions Height 500 mm Width 400 mm Depth 210 mm Ambient conditions Degree of protection IP66 / NEMA 4X Ambient temperature (operation) -40 C ... 80 C General NEMA power supply system 277/480 V Wye Housing material Stainless steel Mounting type Surface/Wall mounting Surge protection fault message Remote indicator contact Protective circuit IEC test classification I + II 09/10/2014 Page 1 / 4 https://www.phoenixcontact.com/us/products/2800718 Surge protection device - SYS N4X/I 277/480Y - 2800718 Technical data Protective circuit EN type T1 Nominal voltage UN < 277 V Maximum continuous operating voltage UC (L-PE) 440 V AC Impulse discharge current (10/350) s charge 25 As Impulse discharge current (10/350)s, peak value limp 50 kA (per mode) Response time 25 ns Follow current quenching capacity If 50 kA Connection, protective circuit Connection method Screw connection Conductor cross section stranded min. 16 mm Conductor cross section stranded max. 35 mm Conductor cross section solid min. 10 mm Conductor cross section solid max. 50 mm Conductor cross section AWG/kcmil min. 6 Conductor cross section AWG/kcmil max 1 Remote indicator contact Connection method Screw connection Conductor cross section stranded min. 0.14 mm Conductor cross section stranded max. 1.5 mm Conductor cross section solid min. 0.14 mm Conductor cross section solid max. 1.5 mm Conductor cross section AWG/kcmil min. 28 Conductor cross section AWG/kcmil max 16 NEMA / UL data UL type type 2 Nominal discharge current In (without reference direction) 20 kA Maximum Surge Current per Phase 50 kA Short-circuit current rating (SCCR) 50 kA Standards and Regulations Standards/regulations rd UL 1449 3 edition, Sept. 2009 IEC 60643-1 EN 61643-11 CAN/CSA-C22.2 No. 8 09/10/2014 Page 2 / 4 https://www.phoenixcontact.com/us/products/2800718 Surge protection device - SYS N4X/I 277/480Y - 2800718 Classifications eCl@ss eCl@ss 4.0 27140201 eCl@ss 4.1 27140201 eCl@ss 5.0 27130801 eCl@ss 5.1 27130801 eCl@ss 6.0 27130805 eCl@ss 7.0 27130805 eCl@ss 8.0 27130805 ETIM ETIM 3.0 EC000942 ETIM 4.0 EC000941 ETIM 5.0 EC000941 UNSPSC UNSPSC 6.01 30212010 UNSPSC 7.0901 39121610 UNSPSC 11 39121610 UNSPSC 12.01 39121610 UNSPSC 13.2 39121620 Approvals Approvals Approvals ETLus / cETL / cETLus Ex Approvals Approvals submitted Approval details ETLus 09/10/2014 Page 3 / 4 https://www.phoenixcontact.com/us/products/2800718 Surge protection device - SYS N4X/I 277/480Y - 2800718 Approvals cETL cETLus Drawings Circuit diagram N/GND L1 L2 L3 Phoenix Contact 2014 (c) - all rights reserved http://www.phoenixcontact.com 09/10/2014 Page 4 / 4