Block 390VA Enclosed Autotransformer, 115 V ac, 230 V ac Primary, 115 V ac, 220 V ac, 230 V ac, 240 V ac Secondary

This autotransformer by Block provides a compact solution with high efficiency for adjusting voltage without the need for electrical isolation. With features such as integrated short circuit and overload protection, and screw terminals with strain relief, this autotransformer is suitable for a range of applications.

• Integrated short circuit and overload protection
• Good moisture protection and low noise
• Screw terminals under cover with strain relief

• Suitable for use in protection categories I and II

Yes, it is designed to operate within this frequency range.

The autotransformer has a maximum operating temperature of +40 °C.

No, this autotransformer can adjust voltage without the need for electrical isolation.

EN 61-558; VDE 0570