Ningbo Haishu Nide International Co., Ltd.
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DC motor commutator water pump hook commutator


The Commutators are used in DC motors , generators and universal motors.


Categoryes: Commutator


DC motor commutator water pump hook commutator

Commutator Description

The hook-type commutator includes a mold body pressed by bakelite powder. The mold body is provided with a mica groove. The hook-type commutator is composed of a mold body, a commutator piece, a reinforcing ring and an inner sleeve. The mold body will change The direction piece, the reinforcement ring and the inner sleeve are fixedly connected.

Commutator Application 

The Commutators are used in DC motors , generators and universal motors.

Ensure that the current in the rotor windings always flows in the same direction.

In a motor, a commutator applies an electric current to the windings. A steady rotating torque is produced by reversing the current direction in the rotating windings each half turn.

In a generator, the commutator reverses the current direction with each turn serving as a mechanical rectifier to convert the alternating current from the windings to unidirectional direct current in the external load circuit.

Commutator Principle

The commutator is a rotary electrical switch that periodically reverses the direction of the current between the rotor and the external circuit.The commutator reverses the current flow within a winding when the shaft turns. Once the shaft completes a half-turn, the windings are connected so that current supplies through it in the reverse of the first direction.

Commutator Details

Model No. OD
ID(mm) Total   height
Segment   Length
Hook/Riser   dia.
Bar No.
S-03086 28 φ11 17 14 28.7 24
S-03086A 28 φ12 17 14 28.7 24
S-03087 31.5 φ11 24 21 32.5 28
S-03088 24.5 φ12 18 18 30.5 12
DZQD-RZ32-089 25.5 φ10 18 15.5 30.2 24
DZQD-RZ32-089A 25.5 φ11 18 15.5 30.2 24
DZQB-RZ32-090 29.5 φ12 20.5 16.5 31.2 24
DZQB-RZ32-090A 29.5 φ12 20.5 16.5 31.2 24
DZQD-RZ32-093 27.5 φ11 20.8 18 33 24
S-03094 23 φ9 14 12 24 24
S-03095 24.5 φ12 16.1 16.2 31.5 19
S-03097 22.5 φ9 17.5 17.2 30 12
S-03097A 22.5 φ9.1 17.5 17.2 30 12
S-04098 28 φ10 19 18 33 24
DZQD-RZ31-098A 28 φ10 19 18 33 24
DZQD-RZ31-098B 28 φ9.5 19 18 33 24
S-04098C 28 φ12 19 18 33.1 24
S-04099 37.5 φ13 30.5 24.8 42 32

NIDE can provide all kinds of commutators, including slot commutator, hook commutator, flat commutator,riser type collector, shell type collector, if you need it, please contact us.

Commutator Picture




Nide produces more than 1200 different types of motor commutator, including hook type, riser type, shell type, planar type, ranging from OD 4mm to OD 150mm and we are professional in manufacturing commutator for many years. The commutators are widely applied to automotive industry, power tools, household appliances, and other motors.If our existing models are not suitable for you, we could also develop new tooling according to your drawing and samples.



Besides, we can supply the full range of motor components such as commutator, ball bearing, thermal protector, carbon brush, insulation paper material, shaft, magnet, fan, motor cover,etc. 

motor part, motor components, motor accessories



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