De-energized linearity tap-changer (35kV and below)

• Application: Power, Electronic
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Separated Winding Transformer
• Certification: ISO9001
• Model NO.: Linearity
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Delivery: 25 Days
• Materials: Aluminum, Copper, Fiberglass
• Color: black
• Connection Method: Trough Type
• Label: NJREC or OEM
• Rated Current: 400A
• Max. Voltage: 40.5kv
• Transport Package: Pallet
• Specification: Composite Polymer
• Trademark: NJREC
• Origin: China
• HS Code: 85462090
• Production Capacity: 20000pieces/Months

Product Description

Product Description

 

Brand Name	NJREC Or OEM
Model Number	WDP series
Application	Power Transmussion
Type	off-circuit
Place of Origin	CHINA
Phase Type	Three or single
Production Capacity	20000pieces/months
Max. Voltage	35kv
Rated Current	400A
Transport Package	Pallet
Certificate	ISO 9001, ISO 14001

 

 

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

This tap-changer is suitable for three-phase or single-phase oil-immersed power transformer with frequency of 50Hz. 60Hz, rated voltage 35kV(highest voltage for equipment 40.5 kV) and below ,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.