3 Pole Single Throw Knife Switch, 400A

Reliable and durable 3 pole 400A single throw switch is suitable for applications such as high voltage switchgear, substations, industrial equipment and power distribution systems in power systems.

Specifications

Dimensions (Unit: cm)

Tips: What is a single-throw knife switch?

A single-throw knife switch is a simple electrical switch used to control the flow of electric current in a circuit. It consists of a metal blade or lever that pivots on a hinge, allowing it to make or break contact with an electrical conductor. The switch has two positions: open and closed.

In the open position, the metal blade disconnects from the electrical circuit, interrupting the flow of current. This configuration is commonly used for safety or maintenance purposes, allowing users to easily disconnect a device or circuit.

When the switch is in the closed position, the metal blade establishes contact with the electrical conductor, completing the circuit and allowing current to flow. This closed position is the active state for normal operation.

Single-throw refers to the fact that the switch has only one set of contacts, meaning it can either be open or closed. This simplicity makes single-throw knife switches suitable for basic electrical applications where a straightforward on/off control is sufficient. They are often used in educational settings, simple electrical experiments, or in situations where a manual and direct control of current is required.