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MERSEN FUSE 6,9 GRB 73 TTF 0500 6,9GRB73TTF0500
MPN: C301716
Alt. SKU: PC73GB69V500TF
Special Price
£154.14
£128.45
Regular Price
£280.25
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 500A With Striker Flush ends metric threads PC73GB69V500TF?
Designed for precise protection of power semiconductors, this Protistor® Size 73 high-speed fuse delivers rapid response to short-circuit events, ensuring reliable circuit integrity in demanding industrial applications. Its 500A gR rating, 690VAC operational capability, and IEC compliance make it the ideal choice for modern power conversion and distribution systems.
The built-in striker and flush ends with metric threads enable secure, vibration-resistant installation and easy status indication, reducing downtime and maintenance requirements. Engineered for robust performance, this fuse guarantees consistent safety and operational efficiency in critical environments.
Product Code: C301716
Key Benefits
- Rapid response to short-circuit events for enhanced semiconductor protection
- High breaking capacity of 150 kA ensures reliable interruption under fault conditions
- Built-in striker indication system for quick and easy fuse status verification
- Flush ends with metric threads provide secure and vibration-resistant mounting
- Ceramic body material offers excellent insulation and durability
- Compliance with IEC standards guarantees quality and safety
Compatibility
This high-speed fuse is compatible with power semiconductor devices requiring gR characteristic protection at voltages up to 690 V AC and currents up to 500 A. It is suitable for use in bolted mounting fuse holders designed for Size 73 fuses with flush end terminals and metric thread connections.
Applications
- Protection of power semiconductors in industrial power converters
- Use in motor drives and inverters
- Safeguarding transformers and power distribution systems
- High-speed protection in renewable energy systems
- General industrial electrical protection requiring fast-acting fuses
Technical Specifications
- Item number: C301716
- Catalogue No: PC73GB69V500TF
- Description: Square Body High-Speed Fuse Protistor® Size 73 gR 690VAC IEC 500A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340345629
- Rated voltage AC IEC: 690 V
- Ampere Rating: 500 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 280 kA²s
- Melting I2t: 47.3 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: 84 W
Frequently Asked Questions
What does the gR characteristic mean for this fuse?
The gR characteristic indicates that the fuse is designed for semiconductor protection, providing rapid interruption of short-circuits while tolerating normal inrush currents without nuisance blowing.
Can this fuse be used in DC circuits?
No, this particular fuse is rated for AC operation only, as specified by the 690 V AC IEC rating.
How does the striker indication system work?
The striker indication system provides a visible mechanical signal when the fuse has operated, allowing for quick identification of a blown fuse without disassembly.
Is this fuse RoHS compliant?
Yes, the fuse is RoHS compliant, ensuring it meets environmental and safety standards regarding hazardous substances.
Common Search Terms
High-speed fuse, Protistor fuse, semiconductor protection fuse, Size 73 fuse, 500A fuse 690VAC, gR fuse IEC, striker fuse, flush end fuse, ceramic body fuse, industrial power fuse, bolted mounting fuse
| Manufacturer Part Number | C301716 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340345629 |
| Height | 74mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73GB69V500TF |
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