MERSEN FUSE 63M100A3 BTIS42V63M100

MERSEN FUSE 63M100A3 BTIS42V63M100

IEC BS88 gM Type A3 fuse-link designed for reliable circuit protection in industrial and commercial installations, supporting voltages up to 415VAC and 240VDC with a rated current of 63–100A.

SKU: BTIS42V63M100Alt SKU: BTIS42V63M100MPN: S226290
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Why Choose the Mersen BTIS42V63M100 Motor-Rated Fuse Link?

The Mersen BTIS42V63M100 is a dependable motor-rated industrial fuse link designed to provide short-circuit protection for motors, cables, contactors and associated electrical equipment. Manufactured by Mersen, this fuse is intended for industrial motor circuits where reliable fault interruption and effective coordination with motor-starting equipment are essential.

Its 63M100 motor-circuit rating is designed to tolerate the temporary inrush current produced when an electric motor starts while still responding rapidly to damaging short-circuit currents. This helps prevent unnecessary fuse operation during normal starting conditions without compromising protection against serious electrical faults.

With a rated voltage of 415 V AC, the BTIS42V63M100 is suitable for compatible low-voltage industrial installations. Its bolted-tag construction enables secure mounting within an appropriately rated fuse carrier, switch-fuse assembly or motor-control panel.

Key Advantages

  • Purpose-designed fuse protection for industrial motor circuits.
  • 63M100 motor-circuit rating accommodates normal motor-starting currents.
  • 415 V AC voltage rating for compatible low-voltage systems.
  • Current-limiting operation helps reduce damaging fault energy.
  • Supports effective coordination with contactors and motor overload relays.
  • Bolted-tag format provides a secure industrial electrical connection.

Key Features

  • Mersen industrial motor-rated fuse link.
  • 63M100 rating designation.
  • 415 V AC rated voltage.
  • Designed to withstand temporary motor-starting current.
  • Fast interruption of high short-circuit currents.
  • Current-limiting performance helps protect downstream equipment.
  • Bolted-tag connection for compatible fuse carriers.
  • Non-resettable design requiring replacement after operation.

Reliable Protection for Industrial Motor Circuits

Electric motors can draw several times their normal operating current during starting. A conventional fuse selected only according to the motor’s running current may operate unnecessarily during this temporary inrush. Motor-rated fuse links are designed to withstand normal starting conditions while providing rapid protection against high-level electrical faults.

The Mersen BTIS42V63M100 is typically used alongside a correctly selected overload relay or motor-protection device. The fuse provides short-circuit protection, while the overload device protects the motor against prolonged overcurrent conditions. Correct selection should consider the motor rating, starting method, starting duration, cable capacity and prospective fault current.

Typical Applications

  • Three-phase industrial motor circuits.
  • Motor control centres and starter panels.
  • Pumps, fans and compressor systems.
  • Conveyors and material-handling machinery.
  • Manufacturing and processing equipment.
  • Switch-fuse and industrial distribution assemblies.

Technical Specifications

Item number S226290
Catalogue No BTIS42V63M100
Description British Standard fuse-link IEC BS88 gM Type A3 415VAC 240VDC 63M100A BTIS Offset Tag
EAN/UPC Code 3605340267655
Rated voltage AC IEC 415 V
Rated voltage DC IEC 240 V
In M Ich 63M100 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic gM
Fuse Size A3
Mounting Bolted
Clearing I2t At Rated Voltage 650000 A²s
Melting I2t 14000 A²s
AC Max I.R./Breaking Capacity I1: 80 kA
Max. Rated Breaking Capacity DC 40 kA
Connection/Terminal Material Tin-Plated Copper
Connection/Terminal Type Offset Tag
Product Diameter 21 mm
Product Width 22.5 mm
Product Length 87 mm
Sell Pack Quantity 10 EA
Sell Pack Weight 0.6 kg
Sell Pack Width 94 mm
Sell Pack Length 135 mm
Sell Pack Height 58 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 0.06 kg
Power Dissipation at Rated Current Value 5.5 W
HS Code 85361050
Country of Manufacture India
Fuse Class gM
Voltage 415 V

Frequently Asked Questions

What is the Mersen BTIS42V63M100 used for?

The BTIS42V63M100 is used to provide short-circuit and fault-current protection for industrial motors, cables, contactors and motor-control equipment.

What does the 63M100 rating mean?

The 63M100 designation identifies a motor-rated fuse with a 63 A current rating and characteristics that allow it to accommodate normal motor-starting currents within the associated 100 A fuse-link size.

What voltage is the BTIS42V63M100 rated for?

The Mersen BTIS42V63M100 is rated for operation in compatible electrical systems up to 415 V AC.

Does this fuse provide motor overload protection?

The fuse is primarily intended to provide short-circuit protection. A correctly selected overload relay or motor-protection device is normally required to protect against prolonged motor overloads.

Can the BTIS42V63M100 be reused after it operates?

No. The BTIS42V63M100 is a non-resettable fuse link and must be replaced with a correctly rated equivalent after it has operated.

Trusted Motor-Circuit Protection

Mersen motor-rated fuse links are used by electrical engineers, panel builders and maintenance professionals to provide reliable short-circuit protection for industrial motors and control equipment.

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