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Brass Carbon Brush Holder For Dc Motor
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Carbon Brush Holders

Brass Carbon Brush Holder For Dc Motor

Part No. Brass Carbon Brush Holder For Dc Motor

Brass carbon brush holders for DC motors — solid-brass body with spring-loaded brush pressure for stable commutator contact on industrial DC motors, traction motors and generators. Common brush box sizes 12.5×25 to 25×40 mm; verify box opening and mounting per SKU.

ApplicationCarbon brush holder for **DC motors** — holds the brush against the commutator and keeps stable electrical contact under load: industrial DC motors (Z4-class), DC traction motors (ZQ-series brush gear), universal DC motors, alternators/generators and slip
ConnectionBrush seats in the holder box; **spring-loaded** (coil/torsion, constant pressure) presses the brush on the commutator;

Compatible Models

Industrial DC motors (e.g. Z4-series frame — 12.5×25 mm holders common) DC traction motors (ZQ-series brush gear) Universal / power-tool DC motors Alternators and generators with commutator/slip-ring brush rigging **Always verify**: brush box opening (W×T) matches your brush cross-section spring type and mounting pattern per motorAlibaba.comAlibaba.com
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Technical Specifications

Brass Carbon Brush Holder for DC Motor — Family Specifications
SpecificationValue
Product TypeCarbon brush holder for DC motors
MaterialSolid brass body + insulating components (ceramic/plastic)
Brush Box SizesCommon: 12.5×25 / 16×32 / 20×32 / 20×40 / 25×32 / 25×40 mm — confirm per SKU
SpringSpring-loaded (coil/torsion, constant pressure) — type/force per SKU
Brush FixingSlot / screw / quick-change per design
ApplicationIndustrial DC motors; DC traction motors; universal DC motors; alternators/generators
StandardDIN 43051 (traction brush-holder connection dimensions)
MountingMotor brush rocker / end bracket (with insulation)

* Family-level listing. Verify brush box size, spring type and mounting per SKU before listing.

Compatible Models

This Brass Carbon Brush Holder For Dc Motor is designed as a direct replacement for the following machine models and series:

Industrial DC motors (e.g. Z4-series frame — 12.5×25 mm holders common) DC traction motors (ZQ-series brush gear) Universal / power-tool DC motors Alternators and generators with commutator/slip-ring brush rigging **Always verify**: brush box opening (W×T) matches your brush cross-section spring type and mounting pattern per motorAlibaba.comAlibaba.com

Not sure if it fits your machine? Send us your equipment model, motor type or original part number — our engineers will confirm compatibility and advise the correct grade. Ask an engineer →

Description

Overview

Solid-brass carbon brush holder for DC motors — holds the carbon brush against the commutator and keeps stable, low-spark electrical contact under load. The brass body gives excellent conductivity, corrosion resistance and heat dissipation, while the spring system provides constant brush pressure.Alibaba.com

Construction

  • Solid brass body (conductivity + corrosion resistance + heat dissipation)
  • Spring-loaded brush pressure (coil/torsion spring, constant force)
  • Brush box with fixing (slot/screw/quick-change per design)
  • Insulating components (ceramic/plastic) for frame isolation
  • Mounts to motor brush rocker / end bracket

Typical Applications

  • Industrial DC motors (Z4-class and equivalents)
  • DC traction motors (ZQ-series brush gear)
  • Universal DC motors
  • Alternators / generators with commutator or slip-ring brush rigging

Installation Notes

  • Match the brush box opening (W × T) exactly to your carbon brush cross-section
  • Brush must move freely in the box; remove any excess that causes sticking
  • Spring must press on the brush center to avoid uneven wear
  • Brush-to-commutator contact area should be ≥ 3/4 of the face广州市黄埔区湘潭电机修理厂

Before Ordering

  • Confirm brush box size (width × thickness) and brush dimensions
  • Confirm spring type / force and mounting pattern
  • Confirm number of holders per motor and brush lead routing

Family-level listing. Each SKU must be verified for brush box size, spring type and mounting before listing.

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