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MERSEN FUSE 630A69C2 BTTM69V630
High-performance BS88 gG Type C2 fuse-link for industrial and commercial applications, rated up to 690VAC and 630A with central bolted tag design for secure installation.
£103.22
Why Choose the Mersen BTTM69V630 Central Bolted Tag Fuse-Link?
The Mersen BTTM69V630 is a heavy-duty 630 A industrial fuse-link designed to provide reliable overload and short-circuit protection in high-current, low-voltage electrical distribution systems. Its 690 V AC rating makes it suitable for demanding industrial networks, switchgear assemblies and power distribution equipment operating above conventional 415 V levels.
Featuring a robust central bolted tag construction, the BTTM69V630 provides secure mechanical mounting and a dependable electrical connection within compatible fuse carriers, fuse-switch disconnectors and distribution assemblies. The bolted connection is particularly suited to installations exposed to high current, vibration or demanding service conditions.
The fuse-link’s current-limiting operation helps reduce the thermal and mechanical energy released during a short circuit. By rapidly interrupting excessive fault current, it can help protect cables, busbars, transformers, switchgear and connected industrial equipment from extensive damage.
Key Advantages
- Heavy-duty 630 A fuse-link for high-current applications.
- Rated for electrical systems operating at up to 690 V AC.
- Provides dependable overload and short-circuit protection.
- High breaking capacity for demanding industrial fault levels.
- Current-limiting performance helps reduce damaging fault energy.
- Central bolted tags provide secure mechanical and electrical connections.
- Suitable for compatible BS-type industrial fusegear and switchgear.
Key Features
- Mersen industrial fuse-link.
- 630 A rated current.
- 690 V AC rated voltage.
- gG general-purpose operating characteristic.
- Central bolted tag terminal configuration.
- High-current, current-limiting construction.
- Non-resettable, replaceable protective device.
- Designed for industrial power distribution applications.
Reliable Protection for High-Current Power Distribution
High-current short circuits can expose cables, busbars and switchgear to severe thermal and electromechanical forces. The Mersen BTTM69V630 is designed to interrupt these currents rapidly, limiting the energy allowed to pass into the protected installation.
Its gG operating characteristic provides full-range protection against both sustained overloads and short-circuit currents. This makes the fuse-link suitable for protecting distribution feeders, conductors and general industrial electrical equipment, subject to correct circuit coordination and manufacturer selection requirements.
For safe replacement, the new fuse-link must match the required current rating, voltage rating, utilisation category, breaking capacity, physical dimensions and bolted-tag arrangement. The cause of any fuse operation should be identified and rectified before the circuit is re-energised.
Typical Applications
- Industrial power distribution systems.
- Main incoming and outgoing feeders.
- High-current distribution boards.
- Fuse-switch disconnectors.
- Transformer secondary protection.
- Busbar and cable protection.
- Manufacturing and processing facilities.
- Industrial switchgear assemblies.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 690 V | |
| Item number | B1006642 | |
| Catalogue No | BTTM69V630 | |
| Description | British Standard fuse-link IEC BS88 gG Type C2 690VAC 69V630A BTTM Central Bolted Tag | |
| EAN/UPC Code | 3605340485233 | |
| Rated voltage AC IEC | 690 V | |
| In M Ich | 69V630 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gG | |
| Fuse Size | C2 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 9800000 A²s | |
| Melting I2t | 1546000 A²s | |
| AC Max I.R./Breaking Capacity | I1: 80 kA | |
| Connection/Terminal Material | Tin-Plated Copper | |
| Connection/Terminal Type | Central Bolted Tag | |
| Product Diameter | 74.4 mm | |
| Product Length | 212 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 1.11 kg | |
| Sell Pack Width | 83 mm | |
| Sell Pack Length | 215 mm | |
| Sell Pack Height | 78 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 1.11 kg | |
| Power Dissipation at Rated Current Value | 54 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTTM69V630 used for?
The BTTM69V630 is used to protect high-current industrial distribution circuits, cables, busbars, switchgear and connected equipment against overload and short-circuit currents.
What is the current rating of the BTTM69V630?
The Mersen BTTM69V630 has a rated current of 630 A.
What voltage is the BTTM69V630 rated for?
The fuse-link is rated for compatible electrical systems operating at up to 690 V AC.
What does the gG characteristic mean?
A gG fuse-link provides full-range protection against both overload and short-circuit currents, making it suitable for general cable, feeder and power distribution protection.
What type of terminals does this fuse-link use?
The BTTM69V630 uses a central bolted tag arrangement for secure installation in compatible industrial fusegear.
Can the BTTM69V630 be reset after it operates?
No. It is a non-resettable fuse-link and must be replaced with a correctly specified equivalent after the fault has been identified and safely rectified.
Trusted High-Current Circuit Protection
Mersen industrial fuse-links are specified by electrical engineers, panel builders and maintenance professionals for dependable fault protection in demanding power distribution and switchgear applications.
