DIN rail RS485 surge arrester

FS-DR-48/9.3

- Din rail RS485 data surge arresters are applied to control signal double wire circuit in LPZ0 to LPZ3, e.g. 4~20mA circuit, RS485 circuit, RS422 circuit, gas detector, car-park system, CCTV remote monitor, remote control circuits.
- Common and difference surge protection mode, excellent performance.
- The pluggable module allows a fast replacement in case of fail.
- The grounding is realized through an earthing-clip on the DIN-Rail and / or earthing – clamp.
- No limiting in operating current due to parallel connecting method.
- Mounting on 35mm Rail, small space.
-Un 48Vdc, Uc 55.1Vdc

1.Dimension and circuit diagram of DIN rail RS485 surge arrester FS-DR-48/9.3



2.Electrical parameters of DIN rail RS485 surge arrester FS-DR-48/9.3

Rated voltage
Un
48 V
Max. cont. operating DC voltage
Uc dc
55.1 V
Max. cont. operating AC voltage
Uc ac
38.9 V
Rated current
IL
500 mA
Nominal discharge current (8/20μs)
In
5 kA
Max. discharge current (8/20μs)
Imax
10 kA
Voltage protection level L/L(limp D1)
Up
≤ 200 V
Voltage protection level L/PE (limp D1)
Up
≤ 120 V
Response time (L/L, L/PE)
tA
≤ 10ns
Each line sereis resistance
1.8 Ohm
Band width L/L
9.3 MHz
Capacitance L/L
C
≤0.3nF
Capacitance L/PE
C
≤0.6nF
Installation
35mm DIN Rail
Enclosure color
Gray
Testing standard
IEC 61643-21:2000

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