MERSEN FUSE SI 85-20.190 TRAC + MC 2R1-5 B220525

MERSEN FUSE SI 85-20.190 TRAC + MC 2R1-5 B220525

Robust fuse base supporting high voltage applications up to 7.2kVAC and 50A with secure M8 screw terminals and microswitch indication system. Compatible with +micro SI85-20190TRACM fuse-links.

SKU: B220525Alt SKU: SI85-20190TRACMMPN: B220525
Price
List Price £321.36 ex VAT
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£321.36
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Manufacturer Lead Time

£321.36

Why Choose the Mersen B220525 Carbon Brush?

The Mersen B220525 is a dependable industrial carbon brush designed to transfer electrical current between stationary and rotating components in compatible motors, generators and other rotating electrical machines. Manufactured by Mersen, a specialist in electrical power and advanced materials, this replacement brush supports consistent electrical contact and reliable equipment operation.

Carbon brushes are essential wear components within rotating machinery. The Mersen B220525 is engineered to maintain stable contact with the commutator or slip ring while helping to control friction, electrical losses and surface wear. Its compact form makes it suitable for installation in compatible brush holders where dependable current transmission is required.

The B220525 product reference assists maintenance engineers and equipment operators in identifying the correct replacement component. Brush dimensions, terminal configuration, carbon grade and equipment compatibility should always be checked against the original brush or the machine manufacturer's documentation before installation.

Key Advantages

  • Reliable electrical current transfer for rotating machinery.
  • Manufactured by Mersen, a recognised specialist in carbon brush technology.
  • Designed to support stable contact with commutators or slip rings.
  • Helps maintain efficient motor and generator performance.
  • Suitable for preventative maintenance and replacement programmes.
  • Compact industrial component designed for compatible brush holders.

Key Features

  • Mersen industrial carbon brush.
  • Manufacturer reference B220525.
  • Conductive carbon-based construction.
  • Designed for consistent electrical and mechanical contact.
  • Replaceable wear component for rotating electrical equipment.
  • Suitable for compatible motors, generators and industrial machines.
  • Supports routine equipment servicing and maintenance.
  • Professional-quality replacement component.

Reliable Electrical Contact for Rotating Machinery

Carbon brushes provide a controlled electrical connection between a stationary circuit and a rotating commutator or slip ring. Correct brush selection helps preserve electrical continuity, minimise excessive sparking and support efficient machine operation.

The condition of the brush holder, contact surface, spring pressure and surrounding equipment can affect brush performance. Replacement brushes should be fitted by a suitably qualified technician and inspected regularly as part of the machine's planned maintenance schedule.

Typical Applications

  • Industrial electric motors.
  • Electrical generators and alternators.
  • Direct-current rotating machines.
  • Slip-ring motors and assemblies.
  • Production and processing machinery.
  • Industrial maintenance and repair operations.

Technical Specifications

Item number B220525
Catalogue No SI85-20190TRACM
Description Fuse Base for High Voltage Fuse-links 7.2kVAC 50A M8 screws +micro
EAN/UPC Code 3605340244922
Rated voltage AC IEC 7.2 kV
Rated voltage DC IEC 7.2 kV
Ampere Rating 50 A
AC or DC AC/DC
Fuse Size 20x190
Design Details M8 screws
Indication System Yes
Indication System Type Microswitch
Rated Impulse Withstand Voltage 60 kV
Product Width 65 mm
Product Length 288 mm
Product Height 131.1 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 1.2 kg
Sell Pack Width 185 mm
Sell Pack Length 325 mm
Sell Pack Height 110 mm
Product group Fuse Bases
Product Weight 1.2 kg
HS Code 85359000
Country of Manufacture France
Fuse Size 20x190 mm
Voltage 7200 V

Frequently Asked Questions

What is the Mersen B220525 used for?

The Mersen B220525 is a carbon brush used to transfer electrical current between stationary and rotating components in compatible motors, generators and other electrical machines.

How can I confirm that the B220525 is compatible with my equipment?

Compare the product reference, dimensions, carbon grade, terminal arrangement and lead configuration with the original brush and the equipment manufacturer's documentation.

Is the Mersen B220525 a replaceable component?

Yes. Carbon brushes are replaceable wear components and should be inspected periodically for wear, damage or reduced contact performance.

Who should install this carbon brush?

Installation should be completed by a suitably qualified electrical or mechanical technician familiar with the relevant machine and its isolation procedures.

Why is correct carbon brush selection important?

Using the correct brush helps maintain reliable electrical contact, control wear and reduce the risk of excessive sparking or damage to the commutator, slip ring or brush holder.

Trusted for Industrial Electrical Maintenance

Mersen carbon brushes are used by maintenance professionals and equipment manufacturers to support reliable current transmission and dependable operation in rotating electrical machinery.

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Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

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