Linear Series-Parallel Connection Breaker-Protector De-Energized off-Load Tap Changer

• Customization: Available
• Application: Power, Electronic, Instrument
• Phase: Three
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Separated Winding Transformer
• Certification: ISO9001
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Rib
• Lead Time: 30 Days
• Delivery: Sea
• Rated Current: 300A
• Rated Voltage: 12, 24,40.5kv
• Sample: Charge
• Customize: Support
• Color: Black/Green
• Transport Package: Pallet
• Trademark: RIB or OEM
• Origin: Jiangsu
• HS Code: 85462090
• Production Capacity: 100000 Sets a Year

Product Description

De-energized tap-changer WST/ WDT series-This tap-changer is suitable for three-phase or single-phase oil-immersed power transformer with frequency 50, 60Hz.
-Highest voltage for equipment 12. 24. 40.5kV, rated current from 20 to 300A, it can be equipped directly on transformer tank cover or tank wall, they must be working under non-energized condition.

Type of tap change and installation size chart
Type of tap-changer	Rated current  (A)	Highest voltage forequipment   (kV)	NO.of phases	Regulating position
WDT II 63/12-4 ×3	63	12	1	Middle Part
WDTII125/12-4×3	125
WDT II 250/12-4×3	250
WDT II 63/12-6×51	63
WDT II 125/12-6×51	125
WDT II 250/12-6×51	250
WDT II 125/12-6×51	125

Company Profile

Nanjing Rainbow Insulated Bushing Co., Ltd was established in 2021 which focuses onelectrical materials production, marketing, services and logistics. We are one of leadingtransformer components and insulators manufacturer in China. Our group also undertakenew transmission line projects and substation constructions, as well as switchgear insulatorand insulation materials production.