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MERSEN FUSE 450A69C2 BTTM69V450
High-performance BS88 gG Type C2 fuse-link with a 450A rating at 690VAC, featuring a central bolted tag design for secure installation and reliable circuit protection.
£88.72
Why Choose the Mersen BTTM69V450 BS88 gG Fuse Link?
The Mersen BTTM69V450 is a high-current British Standard BS88 gG fuse link designed to protect industrial electrical circuits against overload and short-circuit currents. Manufactured by Mersen, it provides effective current limitation to help safeguard cables, conductors, switchgear and connected equipment during severe electrical fault conditions.
Its gG full-range operating characteristic enables the BTTM69V450 to respond to sustained overload currents as well as high-level short circuits. The robust ceramic body and bolted-tag terminal arrangement provide secure mechanical and electrical connections within compatible fuse holders, fuse switches and industrial distribution assemblies.
With a rated current of 450 A and a rated operating voltage of up to 690 V AC, the Mersen BTTM69V450 is suitable for switchboards, power distribution equipment, industrial machinery and infrastructure applications requiring dependable high-current circuit protection.
Key Advantages
- Dependable BS88 gG full-range circuit protection.
- 450 A rated current for high-power electrical installations.
- 690 V AC voltage rating for demanding industrial systems.
- Protects cables and equipment against overload and short-circuit currents.
- Current-limiting operation helps reduce thermal and mechanical fault stress.
- Bolted-tag construction provides secure installation within compatible equipment.
Key Features
- Mersen industrial BS88 fuse-link range.
- 450 A nominal current rating.
- 690 V AC rated operating voltage.
- gG utilisation category for full-range protection.
- Designed to protect cables, conductors and general electrical equipment.
- Durable ceramic fuse body for demanding industrial environments.
- Bolted-tag terminal configuration.
- Suitable for compatible fuse holders, fuse switches and switchgear.
Reliable Protection for High-Current Power Systems
The Mersen BTTM69V450 operates by interrupting excessive electrical current before it can cause serious damage to cables, switchgear or connected equipment. During an overload or short circuit, the internal fuse element isolates the affected circuit and limits the damaging electrical energy allowed to pass.
Its gG operating characteristic provides protection across the complete current range, making the fuse link suitable for panel builders, electrical contractors and maintenance engineers working with high-capacity switchboards, industrial machinery and low-voltage power distribution systems.
Typical Applications
- Industrial power distribution switchboards.
- Low-voltage switchgear assemblies.
- Fuse switches and switch disconnectors.
- Industrial machinery and production equipment.
- Commercial and infrastructure power systems.
- Cable, conductor and equipment protection.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 690 V | |
| Item number | Y1006639 | |
| Catalogue No | BTTM69V450 | |
| Description | British Standard fuse-link IEC BS88 gG Type C2 690VAC 69V450A BTTM Central Bolted Tag | |
| EAN/UPC Code | 3605340485202 | |
| Rated voltage AC IEC | 690 V | |
| In M Ich | 69V450 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gG | |
| Fuse Size | C2 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 3300000 A²s | |
| Melting I2t | 650000 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 | 42 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTTM69V450 used for?
It is used to protect high-current industrial electrical circuits, cables and connected equipment against excessive current caused by overloads and short circuits.
What is the current rating of the BTTM69V450?
The Mersen BTTM69V450 has a nominal current rating of 450 A.
What voltage is this fuse link rated for?
The fuse link is rated for operation at up to 690 V AC.
What does the gG utilisation category mean?
The gG category identifies a full-range fuse designed to protect cables and general electrical circuits against both overload and short-circuit currents.
Can the BTTM69V450 be reused after it operates?
No. Once the internal fuse element has operated, the complete fuse link must be replaced with a correctly rated compatible equivalent.
Trusted for Industrial Circuit Protection
Mersen fuse links are widely specified by panel builders, electrical engineers and maintenance professionals for reliable current limitation and dependable protection of high-capacity industrial power distribution systems.
