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MERSEN FUSE 11 URD 71 TT F 0550 11URD71TTF0550
MPN: G300524
Alt. SKU: PC71UD11C550TF
Special Price
£109.63
£91.36
Regular Price
£199.32
MERSEN FUSE 11 URD 71 TT F 0550 11URD71TTF0550 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1100VAC IEC 1200VAC UL 550A With Striker Flush Ends PC71UD11C550TF?
The PC71UD11C550TF fuse delivers exceptional circuit protection for high-power industrial applications, supporting up to 550A at 1100VAC (IEC) and 1200VAC (UL). Its rapid current-limiting performance ensures the safe operation of sensitive power electronics, minimising equipment downtime and damage.
Featuring a robust square body design, integrated striker, and flush ends with metric threads, this fuse simplifies installation and enhances detection of disconnection events. Engineered to IEC and UL standards, it provides proven reliability and compliance in demanding environments.
Product Code: PC71UD11C550TF
Key Benefits
- High-speed aR characteristic for rapid fault clearance
- Supports high voltage ratings up to 1200VAC (UL) and 1100VAC (IEC)
- Robust ceramic body ensures durability in harsh industrial environments
- Integrated striker for clear disconnection indication
- Flush end silver-plated brass terminals with metric threads for secure bolted mounting
- Minimises equipment downtime by protecting sensitive power electronics
Compatibility
This fuse is compatible with Size 71 fuse holders and switchgear designed for semiconductor protection. It conforms to IEC and UL standards, ensuring seamless integration into industrial electrical systems requiring high-speed protection.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverters
- Power supplies and converters in manufacturing plants
- Renewable energy systems including solar inverters
- High-power electrical distribution panels
Technical Specifications
- Item number: G300524
- Catalogue No: PC71UD11C550TF
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1100VAC IEC 1200VAC UL 550A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329766
- Rated voltage AC UL: 1200 V
- Rated voltage AC IEC: 1100 V
- Ampere Rating: 550 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 548 kA²s
- Melting I2t: 84 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: 51 mm
- Product Length: 74 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.545 kg
- Sell Pack Width: 90 mm
- Sell Pack Length: 170 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.515 kg
- Power Dissipation at Rated Current Value: 98 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, providing rapid fault clearance 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 integrated striker provides a mechanical indication of fuse operation by triggering a visible signal when the fuse blows, aiding in quick fault identification.
Is this fuse compatible with standard Size 71 fuse holders?
Yes, it is designed to fit Size 71 fuse holders with bolted mounting and flush end terminals.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Size 71 fuse, 550A fuse, 1100VAC fuse, 1200VAC fuse, protistor fuse, aR fuse, industrial fuse, bolted fuse, striker fuse, ceramic body fuse
| Manufacturer Part Number | G300524 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329766 |
| Height | 74mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC71UD11C550TF |
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