Transformer Spare Parts > WST II2 30/20-6X5S Transformer Strip Form Tap Switch

WST II2 30/20-6X5S Transformer Strip Form Tap Switch

With new type of operating system - Drawing Operation similar as foreign models. Aluminum and plastic material with two different colors for chosen which can be satisfied by different demand.

1 specific introduction:

This series of switches is composed of the main body of the switch and the operation turning organ.They are applicable to the oil-immersed transformers with the frequency of 50HZ,60HZ,rated voltage of 35KV,66KV,110KV,rated current of 200A-1500A.They can be fixed on the body of the transformer or on the box-cover,and be tapped,regulated and changer under non excitation condition.

2 technical data:

With new type of operating system - Drawing Operation similar as foreign models. Aluminum and plastic material with two different colors for chosen which can be satisfied by different demand.

1 specific introduction:

This series of switches is composed of the main body of the switch and the operation turning organ.They are applicable to the oil-immersed transformers with the frequency of 50HZ,60HZ,rated voltage of 35KV,66KV,110KV,rated current of 200A-1500A.They can be fixed on the body of the transformer or on the box-cover,and be tapped,regulated and changer under non excitation condition.

2 technical data:

Item No. of the tap changer		WST II 30/20-6X5S
Rated current(A)		30
Rated votage(kV)		20
Rated power(HZ)		50/60
Number of phase		3
Regulating position		central
Quantity of tapping heads		6
Quantity of working position		5
life times		5000
contact pressure between dynamic and static contactor		≤350μΩ
load bearing of short-circuit(KA)	Thermal stabilization (2S effectitive value)	18.75
	dynamic stability (peak value)	7.65
Dielectric level (KV)	Rated voltage	30
	Power-frequency voltage	30
	Impulse voltage	55
Temp.-rise limit of contact(k)		≤15

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WST II2 30/20-6X5S Transformer Strip Form Tap Switch