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The D120GC75V63TF fuse offers reliable circuit protection for high-speed DC applications up to 750VDC and 63A, complying with IEC standards. Its square body and gR operating class ensure rapid interruption of damaging overcurrents in demanding industrial environments.
£279.14
The Mersen Q082400 (D120GC75V63TF) is a premium Protistor® square body high-speed semiconductor fuse designed to provide rapid and dependable protection for sensitive power electronic equipment. Specifically developed for demanding DC applications, this fuse protects semiconductors including IGBTs, thyristors, diodes and rectifiers from damaging short-circuit currents while helping maximise equipment reliability.
Part of the trusted Mersen Protistor® Size 120 gR 750 VDC series, the Q082400 combines low let-through energy with a high breaking capacity to minimise thermal and electrical stress on expensive semiconductor components. Its robust square body construction, threaded flush-end terminals and integrated striker ensure reliable long-term performance in demanding industrial and railway applications.
Rated at 63 A with a 750 V DC IEC voltage rating, the Q082400 is ideal for railway auxiliary systems, industrial DC drives, battery energy storage, power converters and renewable energy equipment requiring fast and reliable semiconductor protection.
High-speed semiconductor fuses are specifically designed to protect sensitive electronic power devices from damaging fault currents. Their ultra-fast operating characteristics reduce thermal and electrical stress, helping extend equipment life while minimising costly downtime and repairs.
The Mersen Protistor® range is widely specified by OEMs, railway engineers, panel builders and industrial automation specialists for power conversion systems, battery installations and critical DC equipment where dependable semiconductor protection is essential.
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 750 V | |
| Item number | Q082400 | |
| Catalogue No | D120GC75V63TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 120 gR 750VDC IEC 63A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340051896 | |
| Rated voltage DC IEC | 750 V | |
| Ampere Rating | 63 A | |
| RoHS Compliant | Yes | |
| AC or DC | DC | |
| Speed/Characteristic | gR | |
| Fuse Size | 120 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 15 kA²s | |
| Melting I2t | 1.175 kA²s | |
| Max. Rated Breaking Capacity DC | 100 kA | |
| Design Details | gRC | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 40 mm | |
| Product Length | 127 mm | |
| Product Height | 45 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.65 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 210 mm | |
| Sell Pack Height | 70 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.65 kg | |
| Power Dissipation at Rated Current Value | 10.4 W | |
| HS Code | 85361050 |
The Mersen Q082400 is a high-speed semiconductor fuse designed to protect sensitive power electronic devices such as IGBTs, thyristors, diodes and rectifiers from damaging fault currents.
The fuse has a 63 A rated current.
The fuse is rated for 750 V DC (IEC).
Yes. The Q082400 incorporates an integrated striker for fuse indication or auxiliary signalling.
It is commonly installed in railway systems, battery energy storage equipment, industrial power converters, DC drives and other semiconductor-based power electronic applications.
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, railway engineers, panel builders and industrial automation specialists for delivering rapid fault protection and dependable long-term performance.
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