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 11 URD 73 D11 A 0800 11URD73D11A0800
MPN: J300572
Alt. SKU: PC73UD11C800D1A
Special Price
£178.93
£149.11
Regular Price
£325.32
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1100VAC IEC 1200VAC UL 800A With Striker DIN 110 Blades PC73UD11C800D1A?
This high-speed fuse is engineered for demanding industrial protection, offering rapid fault interruption for critical power electronics. Rated up to 800A and certified to IEC (1100VAC) and UL (1200VAC) standards, it ensures reliable operation in high-voltage environments.
Featuring a built-in striker and DIN 110 blades, this fuse simplifies system integration and facilitates remote indication, enhancing safety and minimising downtime. Its robust square body design is ideal for applications requiring superior electrical performance and long-lasting durability.
Technical Specifications
- Item number: J300572
- Catalogue No: PC73UD11C800D1A
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1100VAC IEC 1200VAC UL 800A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340330489
- Rated voltage AC UL: 1200 V
- Rated voltage AC IEC: 1100 V
- Ampere Rating: 800 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 1230 kA²s
- Melting I2t: 190 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: DIN 110 Blades
- Product Width: 73 mm
- Product Length: 133.4 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 3.36 kg
- Sell Pack Width: 150 mm
- Sell Pack Length: 250 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.12 kg
- Power Dissipation at Rated Current Value: 148 W
Product Code: J300572
Key Benefits
- High-speed aR characteristic ensures rapid fault clearance, protecting sensitive semiconductor devices.
- Certified for both IEC (1100VAC) and UL (1200VAC) standards for versatile global application.
- Integrated striker indication system enables remote fault signalling, improving maintenance response times.
- Robust square body design with ceramic insulating material offers excellent durability and electrical insulation.
- Silver-plated copper DIN 110 blade terminals provide reliable and low-resistance connections.
- Bolted mounting ensures secure installation in demanding industrial environments.
Compatibility
This fuse is compatible with industrial electrical systems requiring high-speed semiconductor protection, particularly in power electronics, motor drives, and inverter circuits. It fits fuse holders and switchgear designed for Size 73 fuses with DIN 110 blade terminals.
Applications
- Protection of power semiconductor devices such as IGBTs and thyristors.
- Industrial motor drives and variable frequency drives (VFDs).
- Inverter circuits and power conversion systems.
- High-voltage electrical distribution panels.
- Renewable energy systems including solar and wind power inverters.
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR (partial range) speed characteristic means the fuse is designed to protect semiconductor devices by clearing short-circuit faults quickly while allowing for temporary overloads without blowing.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only as specified in its technical specifications.
What is the purpose of the striker indication system?
The striker indication system provides a mechanical signal when the fuse has operated, enabling remote monitoring and faster maintenance response.
Is this fuse suitable for use in high ambient temperatures?
The ceramic body and robust design help withstand industrial environments, but specific ambient temperature limits should be confirmed with the system requirements or manufacturer guidelines.
Common Search Terms
High-speed fuse, semiconductor protection fuse, aR fuse, Size 73 fuse, 800A fuse, 1100VAC fuse, 1200VAC fuse, DIN 110 blade fuse, fuse with striker, industrial fuse, power electronics protection.
| Manufacturer Part Number | J300572 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340330489 |
| Height | 133.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD11C800D1A |
Write Your Own Review
