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Industrial Grade Communication Module VSSC4-24V

Weidmüller VSSC4-24V (Part No. 9354330401) is a DIN rail mounted 4-channel signal surge protective device for 24V DC industrial control signal loops. It adopts compact terminal-width design, suitable for protecting 4–20mA analog signals, switching input/output signals of PLC, sensors, transmitters and field instruments against lightning surge, switching transient overvoltage and electromagnetic interference.

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Technical Parameters Basic Information Part Number：9354330401 Model：VSSC4-24V Number of Channels：4 isolated signal channels Mounting：Standard TS35 DIN top-hat rail Housing Width：12.4 mm slim design Connection：Screw clamp terminal Net Weight：Approx. 65 g Electrical Specifications Max Continuous Operating Voltage Uc：24 VDC Nominal Discharge Current In (8/20μs)：10 kA per channel Max Discharge Current Imax (8/20μs)：20 kA per channel Voltage Protection Level Up：≤ 60 V Response Time：＜ 1 ns Insertion Attenuation：≤ 0.5 dB Signal Bandwidth：DC ~ 1 MHz Applicable Signal：4–20mA, 0–10V, DI/DO switching signals Protection Mode：Signal line to protective earth (L-PE) Remote Fault Signal Contact：1-channel potential-free relay contact (250VAC / 1A) Wiring Parameters Applicable Wire Cross Section：0.2 ~ 2.5 mm² solid/stranded wire Recommended Wire Stripping Length：7 mm Tightening Torque：0.4 ~ 0.6 Nm Mechanical & Environmental Parameters Overall Dimension：114.5 × 12.4 × 65 mm Operating Ambient Temperature：-40 ℃ ~ +70 ℃ Storage Temperature：-45 ℃ ~ +85 ℃ Relative Humidity：5% ~ 95% RH, non-condensing Protection Class：IP20 (indoor cabinet installation) Overvoltage Category：II; Pollution Degree：2 Certification & Compliance Compliant with EN 61643-21, IEC 61643-22 CE Certified UL Recognized RoHS & REACH Compliant