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 70 TT F 0350 W300491
MPN: W300491
Alt. SKU: PC70UD11C350TF
Special Price
£87.62
£73.02
Regular Price
£159.32
MERSEN FUSE 11 URD 70 TT F 0350 W300491 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 70 aR 1100VAC IEC 1200VAC UL 350A With Striker Flush ends metric threads PC70UD11C350TF?
Engineered for demanding industrial and power electronics applications, this high-speed Protistor® fuse delivers rapid and reliable protection for semiconductors up to 350A, ensuring minimal let-through energy and reduced equipment downtime. Its robust square body design, flush-end striker, and metric threads support secure installation and efficient operation even in high-stress environments.
Certified to IEC and UL standards at up to 1200VAC, this fuse guarantees global compliance and performance, making it an ideal safeguarding solution for drives, inverters, and power conversion systems where operational reliability and safety are paramount.
Product Code: W300491
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of semiconductor faults.
- Robust ceramic body offers excellent durability and insulation.
- Flush-end striker provides clear indication of fuse operation.
- Metric threaded terminals facilitate secure and reliable bolted mounting.
- Certified to IEC 1100VAC and UL 1200VAC for global compliance.
- High breaking capacity of 100 kA for superior fault clearing.
- Silver-plated brass terminals ensure optimal conductivity and corrosion resistance.
Compatibility
This fuse is compatible with industrial semiconductor protection systems, including variable frequency drives, power inverters, rectifiers, and other power electronics modules requiring high-speed protection up to 350A. It fits fuse holders designed for size 70 fuses with metric threaded connections and is suitable for use in systems compliant with IEC and UL standards.
Applications
- Protection of power semiconductors in industrial drives and motor controllers.
- Safeguarding inverters and converters in renewable energy systems.
- Use in power electronics modules in manufacturing and automation equipment.
- Protection of rectifiers and power supplies in heavy industry.
- General semiconductor protection in high-voltage AC systems.
Technical Specifications
- Item number: W300491
- Catalogue No: PC70UD11C350TF
- Description: Square Body High-Speed Fuse Protistor® Size 70 aR 1100VAC IEC 1200VAC UL 350A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329209
- Rated voltage AC UL: 1200 V
- Rated voltage AC IEC: 1100 V
- Ampere Rating: 350 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 70
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 180000 A²s
- Melting I2t: 27800 A²s
- AC Max I.R./Breaking Capacity: I1: 100 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 39.8 mm
- Product Length: 74 mm
- Product Height: 49.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.017 kg
- Sell Pack Width: 85 mm
- Sell Pack Length: 133 mm
- Sell Pack Height: 55 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.339 kg
- Power Dissipation at Rated Current Value: 68 W
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic indicates a high-speed semiconductor fuse designed to protect power semiconductors by quickly interrupting fault currents, reducing damage and downtime.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
How is the fuse status indicated?
The fuse features a striker indication system with flush ends, providing a clear visual signal when the fuse has operated.
Can this fuse be used in systems with voltages higher than 1200VAC?
No, the maximum rated voltage for this fuse is 1200VAC under UL standards and 1100VAC under IEC standards. Exceeding these ratings can compromise safety and performance.
What type of mounting does this fuse require?
This fuse is designed for bolted mounting using its metric threaded terminals to ensure secure and reliable connection.
Common Search Terms
high-speed fuse, semiconductor protection fuse, size 70 fuse, Protistor fuse, 350A fuse, 1200VAC fuse, aR fuse, industrial fuse, flush end fuse, bolted fuse, power electronics fuse, IEC fuse, UL fuse
| Manufacturer Part Number | W300491 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329209 |
| Height | 74mm |
| Width | 39.8mm |
| Depth | 49.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC70UD11C350TF |
Write Your Own Review
