Combined transformer EJOF 123

The combined instrument transformer integrates current and voltage transformers in a single unit, with the current transformer located in the head and the voltage transformer in the bottom housing. It features hermetically sealed oil-paper insulation using high-quality PCB-free mineral oil, protected against environmental influences. An external stainless steel expansion bellows compensates for oil volume changes caused by temperature variations and includes a visual oil level indicator. The transformer is available with porcelain or silicone composite insulators and various creepage distances to suit different pollution classes. Lightweight aluminium alloy housings provide excellent corrosion resistance, while a spacious terminal box ensures easy secondary cable connection and can be customized to project requirements.