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About Us About Us Philosophy / Vision History Business Area	Product Transformer Hi & Low Voltage Reactor Smart Reactor NCT Solid State Relay Heat sink SVC Power Controller Thyristor Unit Noise Filter SMPS-Power Supply Battery Charger Passive Harmonic Filter Micro Surge Filter Sine-Wave Filter Zero Hamonics Filter Medium Voltage (CT) Medium Voltage (VT,EVT) Combined CT & VT (M.O.F) Epoxy Insulator (MV/HV) Line Potential & Temperature Signaller Current Transformer, Voltage Transformer	Digital Power Protective Relay Ground Fault Relay Zero-Current Trans Earth Leakage Detector, Earth Leakage Relay Panel Board Meters Surge Protective Device Shunt Fan Metal Stamped Items	Overseas Agent Overseas Agent Contact Us Inquiry Contact Information	Reference Section Cataloge User Manual CAD Diagram Certificate Specification 3D CAD Diagram

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Output
Capacity

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>Product>Thyristor Unit

Product

Transformer
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Hi & Low Voltage Reactor
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Smart Reactor
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
NCT
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Solid State Relay
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Heat sink
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
SVC Power Controller
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Thyristor Unit
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Noise Filter
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
SMPS-Power Supply
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Battery Charger
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Passive Harmonic Filter
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Micro Surge Filter
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Sine-Wave Filter
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Zero Hamonics Filter
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Medium Voltage (CT)
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Medium Voltage (VT,EVT)
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Combined CT & VT (M.O.F)
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Epoxy Insulator (MV/HV)
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Line Potential & Temperature Signaller
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Current Transformer, Voltage Transformer
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Digital Power Protective Relay
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Ground Fault Relay
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Zero-Current Trans
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Earth Leakage Detector, Earth Leakage Relay
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Panel Board Meters
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Surge Protective Device
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Shunt
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Fan
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type
Metal Stamped Items
1Phase(Mini) 220~440V(NMD type)
(25~40A-Mini)1Phase 220~440V(DG/DH type)
(25~50A)1Phase 110~460V (NSD type)
(25~70A)1Phase,3Phase 90~500V
(25~500A)1P,3P(Batch/Single Phase Control)
110~480V1P, 3P Remote type
Remote type

Thyristor Unit

(25~500A)

Model No	WYU-SD400SM WYU-SD500SM
TYPE	1Phase
Certification
Rating	90V~500V
Input	1VDC~5VDC DC4~20mA
Output	90V~500V
Capacity	400A 500A

Support services

Specifications and Features

As a single-phase digital power control unit, this product has an option to select phase control or cycle control, has an option to select a constant voltage, a constant current or a constant power on an LCD to enable any correction with one product, displays the control state, output current, radiator state, etc. on an LCD to notify the load conditions, has alarm contacts for safer use, and adopts a RS-485 communication method to be monitored even remotely.

Tel +82.41.411.3800
A/S Center +82.41.411.3871/3872
Fax +82.41.411.3838

A/S Service inquiry