MERSEN FUSE 315M400B3 BTKF42V315M400

MERSEN FUSE 315M400B3 BTKF42V315M400

British Standard fuse-link IEC BS88 gM Type B3 415VAC 240VDC 315M400A BTFK Central Bolted Tag designed for reliable circuit protection in industrial and commercial applications.

SKU: BTKF42V315M400Alt SKU: BTKF42V315M400MPN: B226321
Price
List Price £78.85 ex VAT
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£78.85
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Manufacturer Lead Time

£78.85

Why Choose the Mersen BTKF42V315M400 British Standard Fuse-Link?

The Mersen BTKF42V315M400 is a high-performance British Standard gM fuse-link engineered to provide dependable short-circuit protection for industrial motor circuits and associated electrical equipment. Manufactured in accordance with BS88 Part 2 and EN IEC 60269-2, this central bolted tag fuse-link delivers outstanding current limitation and high fault interruption capability for demanding industrial applications.

As part of the trusted Mersen BTKF central bolted gM fuse-link series, the BTKF42V315M400 is specifically designed for motor protection where high starting currents are present. Its robust construction ensures reliable operation in switchgear, motor control centres, fused disconnectors and industrial power distribution systems.

With a 315M400 A motor circuit rating, 415 V AC and 240 V DC voltage ratings, this fuse-link provides effective protection while allowing normal motor starting currents to pass without nuisance operation.

Key Advantages

  • British Standard gM fuse-link designed for motor protection.
  • 315M400 A motor circuit rating for industrial motor applications.
  • 415 V AC / 240 V DC rated voltage.
  • Excellent current limitation reduces damage during fault conditions.
  • Central bolted tag design for secure installation.
  • Suitable for motor starters, switchgear and industrial distribution systems.

Key Features

  • Mersen BTKF central bolted gM fuse-link series.
  • 315M400 A motor circuit rating.
  • 415 V AC / 240 V DC rated voltage.
  • gM utilisation category.
  • 80 kA AC breaking capacity.
  • 40 kA DC breaking capacity.
  • Central bolted Type B3 construction.
  • Current-limiting design for improved equipment protection.

Reliable Protection for Industrial Motor Circuits

The Mersen BTKF42V315M400 is designed to withstand the high inrush currents generated during motor starting while providing rapid interruption of dangerous short-circuit currents. This helps minimise damage to motors, cables, contactors and switchgear, improving overall system reliability.

As a gM fuse-link, it is intended for motor short-circuit protection and is typically used alongside an appropriate overload relay to provide complete motor protection in industrial installations.

Typical Applications

  • Motor control centres.
  • Industrial motor starters.
  • Fused switch disconnectors.
  • Industrial switchgear.
  • Manufacturing and processing equipment.
  • OEM machinery and power distribution systems.

Technical Specifications

Item number B226321
Catalogue No BTKF42V315M400
Description British Standard fuse-link IEC BS88 gM Type B3 415VAC 240VDC 315M400A BTFK Central Bolted Tag
EAN/UPC Code 3605340267983
Rated voltage AC IEC 415 V
Rated voltage DC IEC 240 V
In M Ich 315M400 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic gM
Fuse Size B3
Mounting Bolted
Clearing I2t At Rated Voltage 1414000 A²s
Melting I2t 505000 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 Central Bolted Tag
Product Diameter 41.9 mm
Product Length 138 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 0.62 kg
Sell Pack Width 72 mm
Sell Pack Length 135 mm
Sell Pack Height 66 mm
Product group Low Voltage IEC Fuses
Body/Insulating Material Ceramic
Product Weight 0.62 kg
Power Dissipation at Rated Current Value 30 W
HS Code 85361090
Country of Manufacture India
Fuse Class gM
Voltage 415 V

Frequently Asked Questions

What is the Mersen BTKF42V315M400 used for?

It is a British Standard gM fuse-link designed to provide short-circuit protection for industrial motors and motor control circuits.

What is the current rating of this fuse?

The BTKF42V315M400 has a 315M400 A motor circuit rating.

What voltage is this fuse rated for?

It is rated for 415 V AC and 240 V DC operation.

What standards does this fuse comply with?

The fuse complies with EN IEC 60269-2 and BS88 Part 2 standards.

Where is this fuse typically installed?

It is commonly installed in industrial switchgear, motor control centres, fuse switch disconnectors and power distribution equipment.

Trusted for Industrial Motor Protection

Mersen British Standard gM fuse-links are trusted by electrical engineers and OEM manufacturers worldwide for reliable motor protection, high fault interruption capability and dependable long-term performance.

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