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MERSEN FUSE 670C3 BTLM42V670
The BTLM42V670 fuse-link delivers dependable circuit protection in demanding industrial and commercial power applications, supporting up to 670A at 415VAC or 240VDC. Fully compliant with IEC and BS88 standards, it ensures maximum safety and reliable operation in critical systems.
£92.91
Why Choose the Mersen BTLM42V670 Industrial Fuse Link?
The Mersen BTLM42V670 is a high-current industrial fuse link designed to protect low-voltage electrical circuits against excessive current. Manufactured by Mersen, it helps safeguard cables, busbars, switchgear and connected equipment by disconnecting the protected circuit during overload or short-circuit conditions.
Designed for demanding industrial power distribution applications, the BTLM42V670 provides dependable fault interruption where electrical reliability and equipment protection are essential. Its current-limiting operation can help restrict the peak current and electrical energy passing through downstream components during a serious electrical fault.
With a rated current of 670 A and a voltage rating of up to 415 V AC, the BTLM42V670 is suitable for high-capacity switchboards, distribution systems, industrial machinery supplies and feeder circuits. It should be installed in compatible fuse equipment selected for the product’s electrical rating and physical configuration.
Key Advantages
- Dependable protection for high-current industrial circuits.
- 670 A rated current for heavy-duty distribution applications.
- 415 V AC rating for low-voltage electrical systems.
- Helps protect cables, busbars, switchgear and connected equipment.
- Current-limiting operation can reduce damaging fault energy.
- Suitable for compatible industrial fuse and switching equipment.
Key Features
- Mersen BTLM industrial fuse-link range.
- 670 A rated current.
- 415 V AC rated voltage.
- Designed for overload and short-circuit protection.
- Current-limiting fault interruption.
- Suitable for high-capacity industrial distribution systems.
- Compatible with correctly rated fuse holders and switching equipment.
- Designed for dependable operation in demanding electrical installations.
Reliable Protection for High-Current Electrical Systems
The Mersen BTLM42V670 is designed to disconnect a protected circuit when the current exceeds safe operating limits. This helps prevent excessive heating and reduces the risk of damage to conductors, busbars, switchgear, machinery and other connected electrical equipment.
During a high-level electrical fault, the fuse can limit the peak current and total energy passing through the protected circuit. Correct selection and coordination with the associated fuse holder, switching device and downstream equipment are essential for safe and reliable operation.
Typical Applications
- High-current industrial power distribution systems.
- Main electrical switchboards and distribution panels.
- Busbar, cable and feeder circuit protection.
- Industrial machinery and manufacturing equipment.
- Compatible fuse switches and switch-disconnectors.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 415 V | |
| Item number | N226332 | |
| Catalogue No | BTLM42V670 | |
| Description | British Standard fuse-link IEC BS88 gG Type C3 415VAC 240VDC 670A BTLM Central Bolted Tag | |
| EAN/UPC Code | 3605340268096 | |
| Rated voltage AC IEC | 415 V | |
| Rated voltage DC IEC | 240 V | |
| Ampere Rating | 670 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | C3 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 5460000 A²s | |
| Melting I2t | 1950000 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 | 82.4 mm | |
| Product Length | 212 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 1.36 kg | |
| Sell Pack Width | 75 mm | |
| Sell Pack Length | 235 mm | |
| Sell Pack Height | 75 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 1.36 kg | |
| Power Dissipation at Rated Current Value | 60 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTLM42V670 used for?
The BTLM42V670 is used to protect high-current industrial electrical circuits, cables, busbars, switchgear and connected equipment against excessive current caused by overloads or short circuits.
What is the current rating of the BTLM42V670?
The Mersen BTLM42V670 has a rated current of 670 A.
What voltage is the BTLM42V670 rated for?
The fuse link is intended for low-voltage electrical systems operating at up to 415 V AC.
How does the BTLM42V670 protect electrical equipment?
The fuse interrupts excessive current and limits the electrical energy passing through the protected circuit during an overload or short-circuit condition.
Where is the BTLM42V670 typically installed?
The BTLM42V670 is typically installed in compatible industrial fuse holders or fused switching equipment within a high-current power distribution system.
Trusted for Industrial Power Protection
Mersen fuse links are widely specified by electrical engineers, panel builders and maintenance professionals for dependable protection and reliable performance in demanding industrial electrical installations.
