Product Description
The NDU3-25 switch modular high-performance SPD is based on IEC standard design, with high lightning flow capacity, suitable for lightning high-risk areas of the first level of lightning protection power supply system
"Products using modular design, good sealing, standard 35 off electrical rail installation, wiring is very convenient, simple maintenance and so on. The products are widely used in microwave communication station 7 station. Telecom room, industrial factories and mines. Financial. Securities and other power systems. important and vulnerable to lightning.""Flow capacity of large, fast responseResidual pressure is very low, no continued flowPluggable structure with LED degradation indicator""Flow capacity is large, fast responseResidual pressure is very low, no continued flow" Technical ParametersModel
Technical ParametersNDU3-15NDU3-25NDU3-35NDU3-50Rated Operating Voltage Uc(V~)220V380VMaximum Continuous Operating Voltage Uc( V~)275V320VProtection Level Up(V-)kV≤1.8≤2.0≤2.2≤2.5Nominal Discharge Curreni limp( 10/350чs)kA15253550Response Time ns<100Tesl StandardGB18802,IEC61643-1L/N(mm2)The Cross Section of L/N Line16PE(mm2) The Cross Section of PE Line25Fuse or Switch(A)≥100AOperating EnvironmentºC-40ºC~+85ºCRelative Ilumidity (25ºC)≤95%InstallationStandard Rail 35mmMaterial of Outer CoveringFiber glass reinforced plastic