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MERSEN FUSE 6,9 GRB 73 TTF 0400 PC73GB69V400TF
MPN: X301343
Alt. SKU: PC73GB69V400TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 400A With Striker Flush ends metric threads PC73GB69V400TF?
Engineered for high-performance circuit protection, the PC73GB69V400TF fuse offers rapid response to overcurrent events, safeguarding sensitive power electronics in demanding industrial environments. Its square body design and striker mechanism enable precise fault indication and improved operational safety.
Certified to IEC standards for 690VAC applications and rated at 400A, this Protistor® fuse features flush ends with metric threads for secure, versatile installation. Depend on it for reliable short-circuit protection and enhanced system uptime in your high-speed electrical applications.
Technical Specifications
- Item number: X301343
- Catalogue No: PC73GB69V400TF
- Description: Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 400A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340340037
- Rated voltage AC IEC: 690 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 160 kA²s
- Melting I2t: 26.5 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: 71 W
Product Code: X301343
Key Benefits
- Rapid response to overcurrent for enhanced equipment protection
- Striker indication system for clear fault signalling
- Flush ends with metric threads ensure secure and versatile mounting
- High breaking capacity of 150 kA for reliable short-circuit protection
- Ceramic body provides excellent insulation and durability
- RoHS compliant, ensuring environmental safety
Compatibility
This fuse is compatible with IEC standard fuse holders and switchgear designed for Size 73 gR fuses operating at up to 690VAC. It is suitable for use in industrial power distribution systems requiring bolted mounting and flush end connections with metric threads.
Applications
- Protection of semiconductor devices in industrial machinery
- High-speed circuit protection in power electronics
- Electrical panels and switchgear in manufacturing plants
- Renewable energy systems requiring high breaking capacity fuses
- Automation and control systems in demanding environments
Frequently Asked Questions
What does the gR speed characteristic mean?
The gR characteristic indicates a high-speed fuse designed to protect semiconductor devices by clearing short circuits rapidly while allowing normal operating currents.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a visual and mechanical indication that the fuse has operated, aiding in quick fault detection and replacement.
Is this fuse RoHS compliant?
Yes, the product is RoHS compliant, ensuring it meets environmental and safety standards.
Common Search Terms
high-speed fuse, Protistor fuse, Size 73 fuse, 400A fuse, 690VAC fuse, gR fuse, semiconductor protection fuse, striker fuse, bolted fuse, ceramic body fuse, IEC fuse, flush ends fuse
| Manufacturer Part Number | X301343 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340340037 |
| Height | 74mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73GB69V400TF |