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MERSEN FUSE 63M8069A4 BTCP69V63M80
British Standard fuse-link IEC BS88 gM Type A4 rated for 690VAC and 460VDC with 63M80A current rating, featuring offset tag terminals and ceramic body for reliable industrial circuit protection.
£15.16
Why Choose the Mersen BTCP69V63M80 Motor Protection Fuse Link?
The Mersen BTCP69V63M80 is a British Standard motor protection fuse link designed to provide dependable short-circuit protection for industrial motors, motor starters and associated electrical equipment. Its motor-rated operating characteristic allows the fuse to tolerate the temporary current surge produced during motor starting while responding rapidly to severe fault currents.
The BTCP69V63M80 offers current-limiting performance that helps reduce the thermal and mechanical energy passed through to cables, contactors, switchgear and downstream components during a short circuit. This supports effective protection coordination and can minimise equipment damage and unplanned downtime.
With a 63M80 motor rating and a nominal voltage rating of 690 V AC, this Mersen fuse link is suitable for compatible industrial motor and power circuits. Its bolted-tag construction provides a secure electrical connection when installed in an appropriately rated fuse holder, switch-fuse unit or motor control assembly.
Key Advantages
- Purpose-designed short-circuit protection for industrial motor circuits.
- 63M80 motor rating accommodates normal motor-starting current.
- 690 V AC voltage rating for compatible industrial systems.
- Current-limiting operation helps reduce damaging fault energy.
- Supports coordination with motor contactors and overload relays.
- Bolted-tag construction provides a secure and reliable connection.
Key Features
- Mersen British Standard motor protection fuse link.
- 63M80 motor-circuit rating.
- 690 V AC nominal operating voltage.
- Motor-rated time-current characteristic.
- Designed to withstand temporary motor-starting currents.
- Rapid interruption of high short-circuit currents.
- Current-limiting performance for improved equipment protection.
- Non-resettable design requiring replacement after operation.
Reliable Protection for Industrial Motor Circuits
Electric motors can draw several times their normal running current during start-up. A motor-rated fuse such as the Mersen BTCP69V63M80 is designed to withstand this temporary inrush without unnecessary operation while still interrupting dangerous short-circuit currents quickly.
The fuse is normally used alongside a correctly selected overload relay or electronic motor protection device. The fuse provides high-level fault protection, while the overload device protects the motor against sustained overcurrent conditions. Selection should account for the motor current, starting method, starting duration, conductor capacity and prospective short-circuit current.
Typical Applications
- Industrial motor starter circuits.
- Motor control centres and control panels.
- Pumps, fans and ventilation systems.
- Conveyors and material-handling equipment.
- Compressors and production machinery.
- Fuse-switch and industrial power distribution assemblies.
Technical Specifications
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| Fuse Class | gM | |
|---|---|---|
| Voltage | 690 V | |
| Item number | V1006613 | |
| Catalogue No | BTCP69V63M80 | |
| Description | British Standard fuse-link IEC BS88 gM Type A4 690VAC 460VDC 63M80A BTCP Offset Tag | |
| EAN/UPC Code | 3605340536799 | |
| Rated voltage AC IEC | 690 V | |
| Rated voltage DC IEC | 460 V | |
| In M Ich | 63M80 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gM | |
| Fuse Size | A4 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 48500 A²s | |
| Melting I2t | 8500 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 | Offset Tag | |
| Product Diameter | 26.9 mm | |
| Product Width | 28.5 mm | |
| Product Length | 111 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 1.13 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 145 mm | |
| Sell Pack Height | 60 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.113 kg | |
| Power Dissipation at Rated Current Value | 5.1 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTCP69V63M80 used for?
The BTCP69V63M80 is used to provide short-circuit protection for compatible industrial motors, motor starters, cables and associated control equipment.
What does the 63M80 rating mean?
The 63M80 designation identifies a motor-rated fuse link with a 63 A continuous current rating and motor-circuit characteristics associated with an 80 A fuse rating.
What voltage is the BTCP69V63M80 rated for?
The Mersen BTCP69V63M80 is intended for compatible industrial electrical systems with a nominal voltage rating of up to 690 V AC.
Does this fuse provide motor overload protection?
The fuse is primarily intended to provide short-circuit protection. A correctly selected overload relay or motor protection device is normally required to protect the motor against sustained overload conditions.
Can the BTCP69V63M80 be reset after it operates?
No. The BTCP69V63M80 is a non-resettable fuse link and must be replaced with a correctly rated equivalent after it has operated.
Trusted Motor-Circuit Protection
Mersen motor protection fuse links are used by electrical engineers, panel builders and maintenance professionals to provide dependable short-circuit protection for industrial motors and control equipment.
