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MERSEN FUSE 400A69C1 BTM69V400
British Standard fuse-link IEC BS88 gM Type C1 690VAC 460VDC 400A BTM Central Bolted Tag designed for reliable circuit protection in industrial power distribution systems.
£65.07
Why Choose the Mersen BTM69V400 BS88 gM Fuse Link?
The Mersen BTM69V400 is a high-performance British Standard BS88 gM fuse link engineered to provide dependable motor circuit protection in demanding industrial power distribution systems. Designed as part of the trusted Mersen Central Bolted Tag fuse-link series, it delivers excellent current limitation and reliable protection against overloads and short circuits.
Manufactured in accordance with EN 60269-2 and BS88 Part 2, the BTM69V400 is specifically intended for motor protection applications where high breaking capacity and dependable operation are essential. Its central bolted tag construction enables secure installation into fuse holders, switch disconnectors or directly onto busbars.
With a 400 A current rating, 690 V AC and 460 V DC voltage ratings, the Mersen BTM69V400 is ideally suited to industrial motor control centres, switchboards, panel building, manufacturing facilities and heavy-duty electrical distribution systems.
Key Advantages
- High-quality BS88 gM motor protection fuse link.
- 400 A current rating for demanding industrial applications.
- 690 V AC / 460 V DC rated voltage.
- Excellent current limiting characteristics to minimise equipment damage.
- High breaking capacity for reliable fault protection.
- Central bolted tag design for secure installation and easy replacement.
Key Features
- Mersen Central Bolted Tag fuse-link series.
- British Standard BS88 gM Type C1.
- 400 A rated current.
- 690 V AC / 460 V DC rated voltage.
- Compliant with EN 60269-2 and BS88 Part 2.
- 80 kA AC breaking capacity.
- 40 kA DC breaking capacity.
- Designed for motor circuit protection in industrial installations.
Reliable Protection for Industrial Motor Circuits
The Mersen BTM69V400 is designed to safeguard motors and associated electrical equipment against overloads and short-circuit faults. Its gM operating characteristic provides effective motor protection while allowing temporary inrush currents during motor starting, helping minimise nuisance operation.
Its high interrupting capacity and excellent current limiting performance make it suitable for installation within industrial switchgear, motor control centres, distribution panels and OEM machinery where reliable electrical protection is essential.
Typical Applications
- Motor control centres (MCCs).
- Industrial switchboards.
- Electrical distribution panels.
- OEM machinery and automation systems.
- Manufacturing and processing plants.
- Heavy industrial power distribution.
Technical Specifications
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| Fuse Class | gM | |
|---|---|---|
| Voltage | 690 V | |
| Item number | W1006637 | |
| Catalogue No | BTM69V400 | |
| Description | British Standard fuse-link IEC BS88 gM Type C1 690VAC 460VDC 400A BTM Central Bolted Tag | |
| EAN/UPC Code | 3605340485196 | |
| Rated voltage AC IEC | 690 V | |
| Rated voltage DC IEC | 460 V | |
| Ampere Rating | 400 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gM | |
| Fuse Size | C1 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2525000 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 | 59.1 mm | |
| Product Length | 212 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.69 kg | |
| Sell Pack Width | 67 mm | |
| Sell Pack Length | 210 mm | |
| Sell Pack Height | 60 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.69 kg | |
| Power Dissipation at Rated Current Value | 38 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTM69V400 used for?
It is a BS88 gM fuse link designed to provide overload and short-circuit protection for industrial motor circuits and electrical distribution systems.
What is the current rating of this fuse?
The Mersen BTM69V400 has a 400 A rated current.
What voltage is the BTM69V400 rated for?
The fuse is rated for 690 V AC and 460 V DC operation.
What standards does this fuse comply with?
It complies with EN 60269-2 and BS88 Part 2 for low-voltage fuse links.
Where is the BTM69V400 typically installed?
It is commonly installed in motor control centres, switchboards, fuse switch disconnectors and industrial electrical distribution panels.
Trusted for Industrial Circuit Protection
Mersen BS88 fuse links are widely specified by electrical engineers, panel builders and industrial maintenance professionals for dependable motor protection, high fault interruption performance and long-term reliability in demanding applications.
