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MERSEN FUSE 125M200A69B2 BTF69V125M200
The BTF69V125M200 fuse-link is fully compliant with IEC and BS88 standards, offering robust performance for industrial and commercial circuit protection at 690VAC and 460VDC.
£24.09
Why Choose the Mersen BTF69V125M200 Motor-Rated Fuse-Link?
The Mersen BTF69V125M200 is an industrial motor-rated fuse-link designed to provide dependable short-circuit protection for motor circuits and associated low-voltage electrical equipment. Its operating characteristics are intended to accommodate the temporary inrush current generated during normal motor starting while interrupting serious electrical faults.
This fuse-link can help protect cables, contactors, motor starters, switchgear and machinery against the damaging thermal and mechanical effects of high fault currents. Its industrial tag-mounted format is intended for secure installation in compatible fuse holders, fuse-switch disconnectors and motor control assemblies.
The product designation indicates a 125M200 motor circuit rating and a voltage class of up to 690 V AC. The precise utilisation category, dimensions, tag arrangement, breaking capacity and compatible fuse gear should be confirmed against current Mersen technical documentation before specification or installation.
Key Advantages
- Motor-rated fuse-link designed to accommodate normal starting currents.
- 125M200 motor circuit designation for compatible industrial loads.
- Suitable for electrical systems operating at up to 690 V AC.
- Helps protect motor cables, contactors, starters and switchgear.
- Current-limiting operation can reduce damaging fault energy.
- Suitable for industrial motor control and machinery applications.
Key Features
- Mersen BTF industrial fuse-link series.
- 125M200 motor circuit rating.
- 690 V AC voltage class.
- Designed for motor circuit short-circuit protection.
- Suitable for circuits with temporary motor starting-current peaks.
- Current-limiting performance during fault conditions.
- Industrial tag-mounted construction.
- Non-resettable fuse element.
Reliable Protection for Industrial Motor Circuits
Electric motors can draw several times their normal operating current during start-up. A correctly selected motor-rated fuse-link is designed to tolerate this temporary surge without unnecessary operation while still providing rapid interruption when a severe short circuit occurs.
The current-limiting action of the Mersen BTF69V125M200 can help reduce the peak current and energy passed into a fault. This reduces thermal and mechanical stress on conductors, contactors, switchgear and other components within the protected motor circuit.
Motor-rated fuse-links are commonly coordinated with a suitable overload relay or electronic motor protection device. Fuse selection should account for motor full-load current, starting method, starting duration, duty cycle, ambient temperature and the prospective short-circuit current at the installation point.
Typical Applications
- Industrial motor control centres.
- Motor starters and fuse-switch disconnectors.
- Pumps, fans and ventilation systems.
- Compressors and processing machinery.
- Conveyors and material-handling equipment.
- OEM automation and machinery panels.
Technical Specifications
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| Fuse Class | gM | |
|---|---|---|
| Voltage | 690 V | |
| Item number | H1006625 | |
| Catalogue No | BTF69V125M200 | |
| Description | British Standard fuse-link IEC BS88 gM Type B2 690VAC 460VDC 125M200A BTF Central Bolted Tag | |
| EAN/UPC Code | 3605340485103 | |
| Rated voltage AC IEC | 690 V | |
| Rated voltage DC IEC | 460 V | |
| In M Ich | 125M200 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gM | |
| Fuse Size | B2 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 350000 A²s | |
| Melting I2t | 105000 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 | 41.9 mm | |
| Product Length | 138 mm | |
| Sell Pack Quantity | 5 EA | |
| Sell Pack Weight | 1.555 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 245 mm | |
| Sell Pack Height | 85 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.311 kg | |
| Power Dissipation at Rated Current Value | 10.1 W | |
| HS Code | 85361090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTF69V125M200 used for?
The BTF69V125M200 is intended to provide short-circuit protection for industrial motor circuits, cables, contactors, starters, switchgear and associated machinery.
What does the 125M200 designation mean?
The 125M200 marking is a motor-circuit fuse designation. It identifies a fuse-link designed to tolerate motor starting current while being coordinated with an appropriate motor circuit and overload protection device.
What voltage is the BTF69V125M200 rated for?
The product code indicates a voltage class of up to 690 V AC. Exact operating ratings should be verified against current Mersen technical documentation.
Does this fuse replace a motor overload relay?
Not normally. A motor-rated fuse-link primarily provides high-level fault and short-circuit protection, while a coordinated overload relay or motor protection device protects against sustained overload and phase-loss conditions.
Can the BTF69V125M200 be reset after operation?
No. It is a non-resettable fuse-link and must be replaced with a compatible product of the correct type and rating after it operates.
Trusted Motor Circuit Protection from Mersen
Mersen industrial fuse-links are used in motor control and power distribution systems to help protect cables, starters, switchgear and machinery. Final product selection should be verified using current manufacturer data and the electrical requirements of the installation.
