We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
MERSEN FUSE 8,5 URD 73 TT F 1400 PC73UD85V14CTF
MPN: S300718
Alt. SKU: PC73UD85V14CTF
Special Price
£220.20
£183.50
Regular Price
£400.37
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 850VAC IEC 900VAC UL 1400A With Striker Flush Ends Metric Threads PC73UD85V14CTF?
Engineered for demanding industrial applications, this Protistor® size 73 fuse delivers rapid and reliable circuit protection up to 1400A at 850VAC IEC and 900VAC UL. Its high breaking capacity and aR characteristics ensure optimal safeguarding of power semiconductors against overcurrent and short-circuit events.
The flush striker design, robust square body, and metric threaded terminals facilitate secure installation and integration within panels or switchgear. Certified to IEC and UL standards, it offers proven durability and consistent performance in critical electrical systems.
Product Code: S300718
Key Benefits
- High breaking capacity of 150 kA ensures maximum protection against short circuits.
- Flush striker indication system provides clear and reliable fuse status feedback.
- Ceramic body offers excellent insulation and durability under harsh conditions.
- Silver-plated brass terminals with metric threads enable secure and corrosion-resistant connections.
- Certified to IEC and UL standards for assured quality and safety compliance.
Compatibility
This fuse is compatible with industrial switchgear and control panels designed for bolted mounting and metric threaded connections. It is suitable for use in systems requiring semiconductor protection with a rated voltage up to 900 V AC and current ratings up to 1400 A.
Applications
- Protection of power semiconductors in industrial drives and inverters.
- Circuit protection in heavy machinery and manufacturing equipment.
- Use in electrical distribution systems requiring high-speed fuse protection.
- Safeguarding sensitive electronic components in automation systems.
Technical Specifications
- Item number: S300718
- Catalogue No: PC73UD85V14CTF
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 850VAC IEC 900VAC UL 1400A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340332605
- Rated voltage AC UL: 900 V
- Rated voltage AC IEC: 850 V
- Ampere Rating: 1400 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 3700 kA²s
- Melting I2t: 755 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: 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: 125 mm
- Sell Pack Height: 75 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.22 kg
- Power Dissipation at Rated Current Value: 210 W
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic indicates that the fuse is a partial range semiconductor fuse, designed to protect power semiconductors by interrupting overloads and short circuits effectively.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker indication system provides a visual signal when the fuse has operated, allowing for quick and easy identification of blown fuses without disassembly.
Can this fuse be replaced with a different size or rating?
It is important to replace the fuse with the exact size and rating to ensure proper protection and compliance with system design requirements.
Common Search Terms
High-speed fuse, Protistor fuse, size 73 fuse, semiconductor protection fuse, aR fuse, 1400A fuse, 850VAC fuse, 900VAC fuse, flush ends fuse, metric thread fuse, industrial fuse, bolted mounting fuse, striker indication fuse.
| Manufacturer Part Number | S300718 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340332605 |
| Height | 74mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD85V14CTF |
Write Your Own Review
