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MERSEN FUSE 6,9 GRB 73 TTF 0700 PC73GB69V700TF
MPN: B301347
Alt. SKU: PC73GB69V700TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 700A With Striker Flush ends metric threads PC73GB69V700TF?
The PC73GB69V700TF high-speed fuse delivers reliable circuit protection for demanding applications up to 690VAC and 700A, ensuring rapid response to faults and minimising equipment damage. Its square body design with flush ends and metric threads simplifies secure installation in compact assemblies.
Engineered to IEC standards, this Protistor® fuse features an integrated striker for remote signalling, supporting enhanced system monitoring and safety. Ideal for industrial power electronics, it offers consistent performance, long service life, and dependable fault isolation.
Technical Specifications
- Item number: B301347
- Catalogue No: PC73GB69V700TF
- Description: Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 700A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340340112
- Rated voltage AC IEC: 690 V
- Ampere Rating: 700 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 820 kA²s
- Melting I2t: 138.9 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 kA
- Design Details: Standard Terminal
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 73 mm
- Product Length: 74 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.22 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: 1.22 kg
- Power Dissipation at Rated Current Value: 94 W
Product Code: B301347
Key Benefits
- High-speed protection for sensitive semiconductor devices and industrial equipment.
- Integrated striker enables remote fault signalling for enhanced system monitoring.
- Robust ceramic body ensures durability and reliable performance under demanding conditions.
- Flush end terminals with metric threads facilitate secure and compact mounting.
- Compliant with IEC standards for assured quality and safety.
Compatibility
This fuse is compatible with fuse holders and switchgear designed for Size 73 gR fuses with bolted mounting and flush end terminals. It is suitable for use in industrial power electronics, motor drives, and semiconductor protection applications requiring 690VAC and 700A ratings.
Applications
- Protection of semiconductor devices such as thyristors and diodes.
- Industrial motor drives and inverters.
- Power electronics and control systems.
- Renewable energy systems including solar and wind power converters.
- General industrial electrical protection requiring fast-acting fuses.
Frequently Asked Questions
What does the 'gR' speed characteristic mean?
The 'gR' characteristic indicates that the fuse is a full-range semiconductor fuse, designed to protect power semiconductors against overloads and short circuits with a high breaking capacity.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the integrated striker?
The integrated striker provides a mechanical indication of fuse operation and can be used to trigger remote signalling devices for fault monitoring.
Is this fuse RoHS compliant?
Yes, the PC73GB69V700TF fuse complies with RoHS regulations, ensuring it is free from hazardous substances.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Protistor fuse size 73, 700A fuse 690VAC, gR fuse, flush end fuse, striker fuse, industrial electrical fuse, ceramic body fuse, bolted mounting fuse.
| Manufacturer Part Number | B301347 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340340112 |
| Height | 74mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73GB69V700TF |