zweipolige

Zweipolige is a German term used in electrical engineering and related fields to describe devices, components, or systems that have exactly two electrical poles or conductors. The word is formed from zwei meaning two and Pol(e) meaning pole. In technical literature, zweipolig denotes that two separate electrical paths are integrated, controlled, or interrupted by the same component.

Common uses include zweipolige Schalter (two-pole switches), which can interrupt both conductors of a circuit to ensure complete disconnection, and zweipolige Relais (two-pole relays), which provide two switching contacts within a single device. The term also applies to zweipolige Steckverbinder (two-pole connectors) that carry two conductors, as well as to sensors or other components designed to handle two separate electrical paths. The designation helps differentiate these from einpolige (one-pole) and mehrpolige (multi-pole) counterparts.

Applications of zweipolige devices emphasize safety and isolation, especially in power electronics and instrumentation where both lines of a circuit may need to be isolated or controlled simultaneously. In standards and specifications, the label guides compatibility, mounting, and wiring practices, ensuring that a component meets the intended two-conductor configuration.

See also: einpolig, mehrpolig, dreipolig. The term is primarily used in German-language contexts, but its concept appears in international electrical engineering where a two-pole design is needed to manage two separate conductors in a synchronized manner.