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POWER SUPPLY SYSTEMS
COORDINATED LIGHTNING ARRESTERS –Class I & II
Basic circuit diagram
G35/275…V40…
Dimension drawing
Surge arrester for low-voltage power supply system protection against surges at
the boundaries from lightning protection zone 0A -2 and higher.
G35/275-3PN50-C3V40
Type
275
In accordance with
IEC61643-11:2011; UL1449 3rd
Category IEC/VDE
I+ II / B+C
Max. continuous operating voltage (V)
L–N
Class I
275Vac
Class II
320Vac
255Vac
N-PE
Lightning impulse current (10/350) Iimp
L-N
Class I
35kA
N-PE
Class I
50kA
Max. discharge current(8/20) Imax
L-N
Voltage protection level
Class II
40kA
Class I
1.5kV
Class II
1.5kV
1.5kV
N–PE (1.2/50)
Class I
Response time
short-circuit current rating （Isccr）&
follow current interrupt rating (Ifi)
≤100 ns
Class II
L-N
N-PE
≤25 ns
Isccr =10kArms ;
Backup fuse(only required if not already provided in mains)
250A gL/gG
Operating temperature range
Cross-section of connection wire
Mounting
Enclosure material
- 40ºC ~ + 80ºC
Single-strand 35mm2; multi-strand 25mm2
35mm DIN-rail in accordance with EN
50022/DIN46277-3
thermoplastic; extinguishing degree UL94 V-0
Degree of protection
Installation width
Thermal disconnector
IP20
11 modules, DIN 43880
Internal
Remote alarm contact
CE
Additional data for Remote Alarm Contacts
Remote alarm contact type
Max. Size of connecting wire
red - failure
Optional
Approvals, Certifications
Switching capability Un/In
Ifi≥10kArms@255Vac
100Arms @ 255Vac
Isolated Form C
AC: 250V/0.5A
DC: 250V/0.1A; 125V/0.2A;
75V/0.5A
Max. 1.5mm2(or # 16AWG)