Description

COMMUTATOR

COMMUTATOR:

A commutator is a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit. It consists of a cylinder composed of multiple metal contact segments on the rotating armature of the machine. Two or more electrical contacts called “brushes” made of a soft conductive material like carbon press against the commutators , making sliding contact with successive segments of the commutators as it rotates. The windings (coils of wire) on the armature are connected to the commutators segments.

Specifications:

• Used in experiments on Hysterisis or applications where high insulation is necessary.
• An insulated molded plastic base has six cups for mercury.
• With six terminals mounted.
• Diagonal connecting strips and contact arm with insulated handle.

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