1,CE,TUV,UL Certification & Test Report 2,Voltage Surge Protector,spd,Surge Protection 3,quick response; 4,In=40KA Imax=80KA MODELVB40/385/3PNVB40/275/3PNOrder No. Protection LevelB LEVELMax. Continuous AC voltage Uc385V275VMax. Continuous DC voltage Uc500V350VNominal discharge current In (L-N L-PE)40KA(8/20μs)Max. discharge current Imax (N-PE)80KA(8/20μs)Limit voltage Up2.3KV1.8KV surge ...
... . of poles1P2P3P4PNetwork service voltage Un(V)220380Max. continuous operating voltage Uc(V)220/320385/450Voltage protection level Up(KV) Less than0 ...
surge protector Rated voltage Un (V~) 230/400 Continuous voltage Uc (V~) 385 420 Rated Current 5KA-100KA surge protector Applied for single-phase, three-phase surge protection under various power supply system through different combinations. Applicable for B, C, D class protection, it adapts to LPZ1-LPZ2 lightning protection area. Surge Protector
Surge suppressor is Featured as: 1.Level C surge protection 2.Great maximum discharge current 3.Low residual voltage The details of this surge suppressor are:Features:Easy to install and easy to maintenanceQuick responseDeterioration indicator and Auto-break-off indicatorAuto recovery after actionApplications:Protection level Class II for the power system; Used for power distribution inside the ...
Surge Protective Devices,surge protector,arrester,SPD Surge Protective Devices,surge protector,arrester,SPD BY3 type SPD is suiting to A. C 50/60 Hz, 220V electric power system and used at the joint of the LPZ2 and LPZ3 zones. It protects the electric network shocked by the thunder or over voltage. This type belongs to Class 3 and the usage condition is that there must be installed the Class 1 or ...
Rubber cables are mainly complying with IEC 60502 standard, also can be produced according to OEM requirements and other standar Rubber Sheathed Flexible Mine Cables1. StandardsGB 12792-1991(Rubber sheathed flexible mine cables).Flame retardant type cables carry out standard MT818-1999(Flame retardant mine cables).Its flame retardant performance test carry out MT 386-1995.When ordering the old ...
Best quality, price and service. Packaging & Delivery Packaging Detail:5KG/SPOOL,10KG/SPOOL,15KG/SPOOL, Packaging cartonsDelivery Detail:10-15 daysSpecificationsCore Welding Wire excellent welding properties and the welding seams have very high impact resistance at low temperature. Product Model;E501T-1, E71T-1CO2 is the use of titanium-based flux-cored wire welding. Deposited efficient ...
... -sequence fault: When the phase sequence is normal (UA, UB, UC), the positive sequence voltage = average phase voltage, negative sequence voltage ... in a disconnected state; when the phase sequence fault (UA, UC, UB), the positive sequence voltage is 0, negative sequence voltage ...
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