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MERSEN FUSE 6,9 GRB 72 TTF 0200 PC72GB69V200TF
High-speed fuse designed for semiconductor protection with 690V AC rating, 200A current, gR characteristic, striker indication, and flush ends with metric threads.
£106.08
Why Choose the Mersen F301328 Protistor® High-Speed Fuse?
The Mersen F301328 (catalogue number PC72GB69V200TF) is a premium Protistor® Size 72 gR square body high-speed semiconductor protection fuse engineered to provide full-range protection for modern power electronic equipment. Its gR operating class offers protection against both overloads and short-circuit faults, making it ideal for protecting IGBTs, thyristors, diodes and other semiconductor devices used in demanding industrial applications.
Manufactured using pure silver fuse elements embedded in solidified sand, the F301328 delivers exceptionally low let-through energy (I²t), high interrupting capacity and excellent thermal cycling performance. Silver-plated contact surfaces, non-magnetic hardware and an integrated striker indicator ensure dependable operation while allowing optional remote fuse indication using a microswitch.
Rated at 200 A and 690 V AC (IEC), with a 150 kA breaking capacity, the F301328 is ideally suited to industrial drives, power converters, UPS systems, renewable energy installations and other power conversion equipment where reliable semiconductor protection is essential.
Key Advantages
- Full-range gR semiconductor protection against overloads and short circuits.
- 200 A current rating for demanding industrial applications.
- 690 V AC IEC rated voltage.
- 150 kA breaking capacity.
- Flush-end metric threaded terminals for secure installation.
- Integrated striker indicator for remote status indication.
- Low I²t helps minimise stress on expensive semiconductor devices.
Key Features
- Mersen Protistor® Size 72 gR series.
- 200 A rated current.
- 690 V AC IEC operating voltage.
- gR full-range semiconductor protection.
- Square body ceramic construction.
- Flush-end ISO metric threaded terminals.
- Integrated striker indication.
- Excellent cycling capability with low energy let-through.
Complete Semiconductor Protection
The Mersen F301328 is engineered to provide dependable full-range protection for power semiconductor equipment by safely interrupting both overload and short-circuit faults. Its current-limiting design significantly reduces electrical and thermal stress on valuable semiconductor devices, helping maximise equipment reliability while reducing maintenance costs and downtime.
Protistor® gR semiconductor fuses are widely specified by OEMs and electrical engineers for industrial power conversion equipment where dependable semiconductor protection is critical to safe and reliable operation.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters.
- Rectifier systems.
- Renewable energy inverter systems.
- UPS systems.
- Industrial automation equipment.
- Protection of IGBTs, thyristors and diode modules.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Voltage | 690 V | |
| Item number | F301328 | |
| Catalogue No | PC72GB69V200TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 72 gR 690VAC IEC 200A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340339741 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 200 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 72 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 25 kA²s | |
| Melting I2t | 4.2 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 59 mm | |
| Product Length | 74 mm | |
| Product Height | 63 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.205 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.735 kg | |
| Power Dissipation at Rated Current Value | 45 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen F301328 used for?
The F301328 is a high-speed semiconductor fuse providing full-range protection against overloads and short-circuit faults for power electronic equipment.
What is the current rating of the F301328?
The Mersen F301328 has a 200 A current rating.
What does the gR fuse characteristic mean?
The gR operating class provides complete semiconductor protection against both overloads and short-circuit faults, unlike aR fuses which protect against short circuits only.
What voltage is the F301328 rated for?
The fuse has a rated operating voltage of 690 V AC (IEC).
Where is the F301328 commonly installed?
It is commonly installed in industrial drives, converters, UPS systems, renewable energy installations and other power conversion equipment requiring dependable semiconductor protection.
Trusted Protection for Industrial Power Electronics
Mersen Protistor® semiconductor fuses are trusted worldwide by electrical engineers, OEMs and industrial manufacturers for protecting valuable semiconductor equipment in demanding industrial applications.
