Off-circuit Three Phase Linear Tap Changer

Specifications		WST30
Phase number		Three-phases
Connection mode		Central point (II) Neutral point (III) Terminal Point(I)
Rated through current (A)		30
Short-circuit capacity	Heat stableness current (KA/2s)	0.7
	Dynamic stableness current (KA)	1.8
Rated frequency		50~60
Insulation level (KV)	Rated voltage (KV)	10KV
	Power-frequency withstand Voltage (50Hz/1min)	42KV
	Impulse (1.2/50μs)	75KV
Sealing performance (KPa/24h)		60
Machine life (Thousands of times)		2

Introduction:

-Used in mineral oil or silicon oil
-Rated voltage 10KV-35KV
-Rated current from 63A-300A
-Tapping position:3-9
-Regulation 2.5% per position