BACO Domestic Switches Contact 630378 - BACO BA331E10, The BACO 331E10 Contact Block is a momentary contact component designed to operate at 600 volts. Manufactured by BACO, it is suitable for a variety of electrical and industrial applications where temporary circuit connectivity is required. The component is often used in control panels and automation systems. BACO BA331E10 Contact 1 Maker Momentary 600V 1 piece(s)