https://www.phoenixcontact.com/us/products/2800705
09/10/2014Page2/4
Surge protection device-SYS N4 120/240S-2800705
Technical data
Protective circuit
IEC test classification I + II
EN type T1
Nominal voltage U
N
< 240 V
Maximum continuous operating voltage U
C
275 V AC
Impulse discharge current (10/350)µs charge 25 As
Impulse discharge current (10/350)˽µs, peak value l
imp
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 mm²
Conductor cross section stranded max. 35 mm²
Conductor cross section solid min. 10 mm²
Conductor cross section solid max. 50 mm²
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 mm²
Conductor cross section stranded max. 1.5 mm²
Conductor cross section solid min. 0.14 mm²
Conductor cross section solid max. 1.5 mm²
Conductor cross section AWG/kcmil min. 28
Conductor cross section AWG/kcmil max 16
NEMA / UL data
UL type type 2
Nominal discharge current I
n
(without reference direction)
20 kA
Maximum Surge Current per Phase 50 kA
Short-circuit current rating (SCCR) 50 kA
Standards and Regulations
Standards/regulations
UL 1449 3
rd
edition, Sept. 2009
IEC 60643-1
EN 61643-11
CAN/CSA-C22.2 No. 8
