---
lang: "en"
title: "Surge Arrester for Modbus Networks"
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canonical_url: "https://shop.marcomweb.it/en/modbus/surge-arrester-for-modbus-networks"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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Surge Arrester for Modbus RS422/485 Networks protection

Surge suppression module for signal technology; nominal voltage: 24 VDC; for 2 signal paths with common surge arrester; for unbalanced interfaces; two-stage; width: 6 mm

## Technical features

- System protection against overvoltages
- Slim and space-saving design
- Operating cost control by preventing expensive unscheduled downtime
- High operational reliability and system uptime
- Rated operating voltage 24 VDC
- Maximum continuous operating voltage 23 VAC / 33 VDC
- Rated current 0.5A
- Nominal discharge current (8/20 µs) per line 5 kA
- Nominal discharge current (8/20 µs) total 10 kA
- Voltage protection level line/line (cat. C2 at I N) ≤ 65 V
- Voltage protection level line/PG (cat. C2 at I N) ≤ 110 V
- Voltage protection level line/line (cat. C3 at I N) ≤ 90 V
- Voltage protection level line/PG (cat. C3 at I N) ≤ 45 V
- Response time line/PG ≤ 1 ns
- Cutoff frequency line/line 6 MHz
- Impedance 1.8 Ω
- Capacitance line/line ≤ 0.5 nF
- Capacitance line/PG ≤ 1 nF
- Width 6 mm / 0.236 inches
- Height from upper edge of DIN-35 rail 56 mm / 2.205 inches
- Depth 91 mm / 3.583 inches
- Mounting type DIN-35 rail
- Material data
- Weight 38.8 g
- Ambient air temperature (operating) -40 ... 80 °C
- Ambient air temperature (storage) -40 ... 80 °C
- Standards and specifications
- Standards/specifications IEC 61643-2

 

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Source: https://shop.marcomweb.it/en/modbus/surge-arrester-for-modbus-networks

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