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MERSEN FUSE 6,9 GRB 71 TTF 0400 PC71GB69V400TF
MPN: W301319
Alt. SKU: PC71GB69V400TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 gR 690VAC IEC 400A With Striker Flush ends metric threads PC71GB69V400TF?
This high-performance fuse is engineered for superior protection of power semiconductors in demanding industrial environments. Rated at 400A and 690VAC to IEC standards, it ensures rapid fault current interruption for sensitive equipment.
Featuring a striker for remote indication and flush ends with metric threads to simplify installation, the robust square body design guarantees long-term reliability in switchgear, drives, and UPS systems. Ideal for both new and retrofit applications where safety and continuity are paramount.
Product Code: PC71GB69V400TF
Key Benefits
- High-speed gR characteristic ensures fast and reliable protection of power semiconductors.
- Striker indication system provides clear and immediate fault signalling.
- Flush ends with metric threads enable secure and easy installation.
- Robust ceramic body offers excellent durability and thermal stability.
- Compliant with IEC standards for safety and performance assurance.
- Bolted mounting ensures firm and stable fuse placement.
Compatibility
This fuse is compatible with a wide range of industrial switchgear, motor drives, and uninterruptible power supply (UPS) systems requiring semiconductor protection at up to 690VAC and 400A. It is suitable for use in systems designed to IEC standards and where bolted mounting and striker indication are specified.
Applications
- Protection of power semiconductors in industrial drives and converters.
- Switchgear and control panels in manufacturing plants.
- Uninterruptible Power Supplies (UPS) for critical power systems.
- Renewable energy systems requiring fast-acting semiconductor protection.
- Retrofit and new installations demanding reliable fuse protection.
Technical Specifications
- Item number: W301319
- Catalogue No: PC71GB69V400TF
- Description: Square Body High-Speed Fuse Protistor® Size 71 gR 690VAC IEC 400A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340339642
- Rated voltage AC IEC: 690 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 225 kA²s
- Melting I2t: 38.3 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: 51 mm
- Product Length: 74 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.542 kg
- Sell Pack Width: 90 mm
- Sell Pack Length: 170 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.514 kg
- Power Dissipation at Rated Current Value: 59 W
Frequently Asked Questions
What does the gR characteristic mean?
The gR characteristic indicates that the fuse is a full-range semiconductor fuse designed to protect power semiconductors against overload and short-circuit conditions.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as indicated in the technical specifications.
How does the striker indication system work?
The striker indication system provides a mechanical signal that the fuse has blown, allowing for remote or visual fault detection without disassembling the equipment.
Can this fuse be used in retrofit installations?
Yes, its standard dimensions and bolted mounting make it suitable for both new and retrofit installations.
Common Search Terms
High-speed fuse, semiconductor protection fuse, 400A fuse, 690VAC fuse, IEC fuse, Protistor fuse, size 71 fuse, gR fuse, striker fuse, bolted mounting fuse, industrial fuse, power semiconductor protection.
| Manufacturer Part Number | W301319 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340339642 |
| Height | 74mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71GB69V400TF |