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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.
£31.54
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
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| Fuse Class | gM | |
|---|---|---|
| Voltage | 415 V | |
| 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 |
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.
