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MERSEN FUSE 6,9 URD 31 TT F 0550 6,9URD31TTF0550
MPN: V300007
Alt. SKU: PC31UD69V550TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker Flush Ends Metric Threads PC31UD69V550TF?
This high-speed fuse delivers reliable circuit protection for demanding industrial and power electronic applications, rated up to 690VAC (IEC) and 700VAC (UL) with a 550A current capacity. Engineered with square body construction and metric thread flush ends, it ensures secure installation and increased mechanical robustness.
The built-in striker facilitates remote fuse-status indication, supporting system diagnostic efficiency and minimising downtime. Certified to international standards, the PC31UD69V550TF is an optimal solution for safeguarding critical equipment against overloads and short circuits.
Product Code: PC31UD69V550TF
Key Benefits
- High-speed protection for semiconductor and power electronic circuits
- Rated for up to 700VAC ensuring compatibility with industrial voltage standards
- Robust ceramic body with silver-plated brass flush end terminals for durability and reliable connections
- Integrated striker indicator for remote status signalling reduces downtime
- Metric threaded flush ends provide secure and easy mounting
- Compliant with RoHS standards for environmental safety
Compatibility
This fuse is compatible with IEC and UL rated systems requiring a high-speed aR characteristic fuse with 31 size dimensions. It is suitable for bolted mounting fuse holders designed for metric threaded flush end connections, commonly used in semiconductor protection and industrial power electronics applications.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverters
- Power supplies and UPS systems
- Renewable energy systems including solar and wind inverters
- High-speed circuit protection in manufacturing automation
Technical Specifications
- Item number: V300007
- Catalogue No: PC31UD69V550TF
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340322316
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 550 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 310000 A²s
- Melting I2t: 52000 A²s
- AC Max I.R./Breaking Capacity: I1: 200 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: 50.6 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.1478 kg
- Sell Pack Width: 85 mm
- Sell Pack Length: 168 mm
- Sell Pack Height: 65 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.3826 kg
- Power Dissipation at Rated Current Value: 70 W
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents rapidly to protect sensitive components.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only as specified in the technical specifications.
How does the striker indication system work?
The striker is a mechanical indicator that triggers when the fuse operates, allowing remote signalling devices to detect fuse status and alert maintenance personnel.
Is this fuse RoHS compliant?
Yes, the fuse meets RoHS requirements, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, semiconductor fuse, protistor fuse, size 31 fuse, 550A fuse, 690VAC fuse, 700VAC fuse, aR fuse, flush end fuse, striker fuse, industrial fuse, ceramic body fuse
| Manufacturer Part Number | V300007 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322316 |
| Height | 50.6mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V550TF |