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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

Product

Transformer
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Hi & Low Voltage Reactor
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Smart Reactor
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
NCT
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Solid State Relay
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Heat sink
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
SVC Power Controller
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Thyristor Unit
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Noise Filter
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
SMPS-Power Supply
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Battery Charger
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Passive Harmonic Filter
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Micro Surge Filter
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Sine-Wave Filter
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Zero Hamonics Filter
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Medium Voltage (CT)
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Medium Voltage (VT,EVT)
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Combined CT & VT (M.O.F)
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Epoxy Insulator (MV/HV)
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Line Potential & Temperature Signaller
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Current Transformer, Voltage Transformer
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Digital Power Protective Relay
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Ground Fault Relay
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Zero-Current Trans
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Earth Leakage Detector, Earth Leakage Relay
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Panel Board Meters
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Surge Protective Device
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Shunt
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Fan
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer
Metal Stamped Items
UL Transformer
1Phase, 3PhaseDIN-Rail & Fused Transformer
1Phase Indicator(LED LAMP)DIN-Rail Transformer
1Phase 1P, General Type Transformer
1P, General Type Transformer1Phase Transformer
1Phase 1P-Auto-Transformer
1P 3P-Isolation Transformer
3P, Transformer3P, Auto Transformer
3P, Auto Transformer1P-Case Type Transformer
Case Type3P-Case type Transformer
3P-Case type TransformerControl transformer
3.3~6.6kV Control transformerFused Type Transformer
1PhaseDC Power Trans.
DC Power Transformer3P, Synchronous Transformer
3P, Synchronous TransformerDC Drive type PulseTransformer
DC Drive type PulseTransformer

Transformer

1Phase, 3PhASE

Model No	WY21-100UL WY21-200UL WY21-300UL WY21-500UL WY21-750UL WY21-1KUL WY21-1.5KUL WY21-2KUL WY21-3KUL WY21-5KUL
TYPE	1Phase UL Type Transformer
Certification	UL
Rating
Input	200VAC 208VAC 220VAC 230VAC 240VAC
Output	100VAC 110VAC 115VAC 120VAC
Capacity	100VA~5kVA

Support services

Specifications and Features

The product, which is a single phase isolation transformer is used for general electric source, has been UL, CE certified for its proven reliability and safety.

* 1차, 2차 전압은 주문시 선택

*Select primary and secondary voltages on order

전압 선택 적용 예 :

PRI.(V) - 220V / SEC.(V) - 110V

PRI.(V) - 208V / SEC.(V) - 110V

PRI.(V) - 220V / SEC.(V) - 100V

PRI.(V) - 220V / SEC.(V) - 115V

Yoonyoung Co.,Ltd.

Product

The product, which is a single phase isolation transformer is used for general electric source, has been UL, CE certified for its proven reliability and safety.