https://www.phoenixcontact.com/us/products/2800718
Surge protection device - SYS N4X/I 277/480Y - 2800718
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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
Custom tariff number
Country of origin
1 pc
85363090
United States
Technical data
Dimensions
Height
Width
Depth
500 mm
400 mm
210 mm
Ambient conditions
Degree of protection
Ambient temperature (operation)
IP66 / NEMA 4X
-40 °C ... 80 °C
General
NEMA power supply system
Housing material
Mounting type
Surge protection fault message
277/480 V Wye
Stainless steel
Surface/Wall mounting
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
Nominal voltage U
N
Maximum continuous operating voltage U
C
(L-PE)
Impulse discharge current (10/350) µs charge
Impulse discharge current (10/350)½µs, peak value l
imp
Response time
Follow current quenching capacity If
T1
< 277 V
440 V AC
25 As
50 kA (per mode)
≤ 25 ns
50 kA
Connection, protective circuit
Connection method
Conductor cross section stranded min.
Conductor cross section stranded max.
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section AWG/kcmil min.
Conductor cross section AWG/kcmil max
Screw connection
16 mm²
35 mm²
10 mm²
50 mm²
6
1
Remote indicator contact
Connection method
Conductor cross section stranded min.
Conductor cross section stranded max.
Conductor cross section solid min.
Conductor cross section solid max.
Conductor cross section AWG/kcmil min.
Conductor cross section AWG/kcmil max
Screw connection
0.14 mm²
1.5 mm²
0.14 mm²
1.5 mm²
28
16
NEMA / UL data
UL type
Nominal discharge current I
n
(without reference direction)
Maximum Surge Current per Phase
Short-circuit current rating (SCCR)
type 2
20 kA
50 kA
50 kA
Standards and Regulations
Standards/regulations
UL 1449 3 edition, Sept. 2009
IEC 60643-1
EN 61643-11
CAN/CSA-C22.2 No. 8
rd
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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
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