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Carbon Brush Holders

Brush-holders for DC motors

Part No. Brush-holders for DC motors

Brush holders for DC motors — box-type, spring-loaded and multi-pocket holders in brass, copper alloy and bronze for stable commutator contact on industrial DC motors, traction/mill motors, universal DC motors and DC generators. Common box sizes 12.5×25 to 25×40 mm;

Application	Carbon brush holders for DC motors — hold brushes against the commutator and maintain stable, low-spark electrical contact under load: industrial DC motors (Z4-class and equivalents), DC traction/mill motors (ZQ-series brush gear), universal and power

Compatible Models

Industrial DC motors Z4-series frames (12.5×25 mm holders common) DC traction motors ZQ-series brush gear (bronze brush holders) Universal / power-tool DC motors (box-type holders) Large mill-drive DC motors (multi-pocket / heavy holders) DC generators (commutator brush rigging)

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Technical Specifications

Brush Holders for DC Motors — Family Specifications
Specification	Value
Product Type	Carbon brush holder for DC motors
Material	Brass / copper alloy / bronze + insulating components
Brush Box Sizes	Common: 12.5×25 / 16×32 / 20×32 / 20×40 / 25×32 / 25×40 mm — confirm per SKU
Spring	Spring-loaded (coil/torsion, constant pressure) — type/force per SKU
Brush Fixing	Slot / screw / quick-change per design
Application	Industrial DC motors; DC traction/mill motors; universal DC motors; DC generators
Standard	DIN 43051 (traction brush-holder connection dimensions)
Mounting	Brush rocker / end bracket (with insulation)

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

Compatible Models

This Brush-holders for DC motors is designed as a direct replacement for the following machine models and series:

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

Carbon brush holders purpose-built for DC motors — holding the brush against the commutator and keeping stable, low-spark contact under load. Manufactured in brass, copper alloy and bronze for conductivity and durability, with spring-loaded brush pressure and insulated mounting.

Construction

Brass / copper alloy / bronze holder body
Spring-loaded brush pressure (coil/torsion, constant force)
Brush box with fixing (slot/screw/quick-change per design)
Insulating components for frame isolation
Mounts to the brush rocker / end bracket

Typical Applications

Industrial DC motors (Z4-class and equivalents)
DC traction / mill motors (ZQ-series brush gear)
Universal DC motors and power tools
DC generators (commutator brush rigging)

Installation Notes

Match brush box opening (W × T) exactly to your brush cross-section
Brush must move freely in the box; remove excess that causes sticking
Spring must press on the brush center to avoid uneven wear
Brush-to-commutator contact area ≥ 3/4 of the face

Before Ordering

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

Need a custom Brush-holders for DC motors?

Send us your drawing, sample or part number — we'll respond within 24 hours.

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Brush-holders for DC motors

Technical Specifications

Compatible Models

Description

Overview

Construction

Typical Applications

Installation Notes

Before Ordering

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