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High Precision Industrial IO Component VPU II 4 R 280V/40KA

Weidmüller VPU II 4 R 280V/40kA is a Type II/Type III modular surge protective device (SPD) designed for 4-pole 230/400V three-phase four-wire AC low-voltage power distribution systems (TN‑S, TN‑C‑S, TT grid).

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Technical Specifications Model: VPU II 4 R 280V/40kA Order No.: 1352690000 Brand: Weidmüller Protection Class: Type II / Type III SPD (T2/T3) Number of Poles: 4P (3L+N+PE) Max Continuous Operating Voltage (Uc): 280 V AC Nominal Discharge Current (In, 8/20μs): 20 kA per pole Max Discharge Current (Imax, 8/20μs): 40 kA per pole Voltage Protection Level (Up): ≤ 1.55 kV Response Time: ≤ 25 ns Leakage Current: ＜ 100 μA Remote Signalling Contact: 1CO, rated 250 V / 1 A TOV Temporary Overvoltage Withstand: 438 V Short‑Circuit Current Rating (ISCCR): 25 kAeff Max Recommended Backup Fuse: 125 A gL/gG Compliance Standards: IEC 61643‑11, EN 61643‑11, CE, RoHS, EAC Certified 3. Mechanical & Environmental Parameters Mounting: Standard TS35 DIN rail mounting Module Width: 71.2 mm (4TE) Connection Type: Screw terminal, applicable wire cross‑section: 0.25 ~ 35 mm² Protection Degree: IP20 (installed inside distribution box) Operating Ambient Temperature: -40 ℃ ~ +80 ℃ Storage Temperature: -40 ℃ ~ +85 ℃ Relative Humidity: 5% ~ 95% (non‑condensing) Status Indicator: Green = Normal working; Red = Fault, replace module Flammability Class: UL94 V‑0