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MERSEN FUSE 6,9 URD 31 TT F 0350 6,9URD31TTF0350
MPN: M300046
Alt. SKU: PC31UD69V350TF
Special Price
£75.18
£62.65
Regular Price
£136.68
MERSEN FUSE 6,9 URD 31 TT F 0350 6,9URD31TTF0350 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 350A With Striker Flush Ends Metric Threads PC31UD69V350TF?
This high-performance Protistor® fuse is engineered for demanding industrial and power electronics applications, offering rapid and reliable protection for semiconductors up to 350A. Certified to both IEC and UL standards (690VAC/700VAC), it ensures dependable operation and compliance with international safety requirements.
Featuring a robust square body, striker for remote indication, and flush ends with secure metric threads, this fuse simplifies installation and maintenance in panel and busbar assemblies. Choose the PC31UD69V350TF for superior circuit protection, reduced downtime, and enhanced equipment safeguard.
Technical Specifications
- Item number: M300046
- Catalogue No: PC31UD69V350TF
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 350A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340322705
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 350 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 61000 A²s
- Melting I2t: 10300 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: 67 W
Product Code: M300046
Key Benefits
- High-speed aR characteristic for fast and reliable semiconductor protection
- Certified to IEC 690VAC and UL 700VAC standards ensuring international compliance
- Robust ceramic square body for enhanced durability and thermal stability
- Striker indication system for easy remote fault detection
- Flush ends with metric threads for secure and straightforward bolted mounting
- Silver-plated brass terminals provide excellent conductivity and corrosion resistance
- High breaking capacity of 200 kA for superior fault clearing
Compatibility
This fuse is compatible with industrial and power electronic equipment requiring semiconductor protection up to 350A. It is suitable for use in panel boards, busbar assemblies, and systems designed for IEC and UL fuse standards with bolted mounting arrangements.
Applications
- Protection of power semiconductors in inverters and converters
- Industrial motor drives and variable speed drives
- Power supply units and UPS systems
- Renewable energy systems such as solar and wind power inverters
- General industrial electrical protection requiring fast-acting fuses
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' designation indicates a high-speed fuse specifically designed for semiconductor protection, capable of interrupting short-circuit currents quickly to protect sensitive components.
Can this fuse be used in DC circuits?
No, this fuse is rated for AC applications only, as specified under the AC or DC technical specification.
What is the purpose of the striker indication system?
The striker provides a mechanical indication of fuse operation, allowing for remote or visual detection of a blown fuse to facilitate maintenance and reduce downtime.
Is this fuse RoHS compliant?
Yes, the product is RoHS compliant, ensuring it meets environmental and safety regulations regarding hazardous substances.
Common Search Terms
high speed fuse, semiconductor protection fuse, Protistor fuse, size 31 fuse, 350A fuse, 690VAC fuse, 700VAC fuse, aR fuse, striker fuse, flush end fuse, bolted fuse, ceramic body fuse, industrial fuse
| Manufacturer Part Number | M300046 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322705 |
| Height | 50.6mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V350TF |
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