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MERSEN FUSE 6,9 URD 31 D08 A 0350 6,9URD31D08A0350
MPN: Q300049
Alt. SKU: PC31UD69V350A
Special Price
£77.27
£64.39
Regular Price
£140.48
MERSEN FUSE 6,9 URD 31 D08 A 0350 6,9URD31D08A0350 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 DIN 80 Blades PC31UD69V350A?
Engineered for robust and reliable protection, this high-speed fuse ensures rapid interruption of fault currents in demanding industrial and power electronics applications. The advanced Protistor® design supports safe operation up to 690VAC under IEC standards and 700VAC to UL specifications, managing 350A for critical circuit safeguarding.
Featuring an integrated striker for remote indication and DIN 80 blades for straightforward installation, it minimises downtime and enhances safety in high-performance environments. Choose this fuse for precision, reliability, and compliance in your power distribution systems.
Technical Specifications
- Item number: Q300049
- Catalogue No: PC31UD69V350A
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 350A With Striker DIN 80 Blades
- EAN/UPC Code: 3605340322736
- 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 Copper
- Connection/Terminal Type: DIN 80 Blades
- Product Width: 51 mm
- Product Length: 110 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.1598 kg
- Sell Pack Width: 143 mm
- Sell Pack Length: 167 mm
- Sell Pack Height: 64 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.3866 kg
- Power Dissipation at Rated Current Value: 67 W
Product Code: Q300049
Key Benefits
- High-speed interruption for enhanced circuit protection
- Supports high voltage ratings: 690VAC IEC and 700VAC UL
- Integrated striker for remote fault indication
- Durable ceramic body for reliable insulation and longevity
- Silver-plated copper terminals ensure excellent conductivity
- DIN 80 blade terminals for easy and secure mounting
- High breaking capacity of 200 kA for demanding industrial use
Compatibility
This fuse is compatible with Size 31 fuse holders and switchgear designed for aR type semiconductor protection fuses. It fits bolted mounting systems and is suitable for use in industrial power distribution panels and electronic equipment requiring high-speed fuse protection up to 350A at the specified voltage ratings.
Applications
- Protection of power semiconductors in industrial drives
- High-speed fault current interruption in power electronics
- Use in motor control centres and industrial switchboards
- Safeguarding transformers and capacitors in power systems
- Protection of sensitive electronic circuits in manufacturing plants
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates a semiconductor protection fuse designed for high-speed interruption of short-circuit and overload currents, providing protection specifically for power electronic devices.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the integrated striker?
The integrated striker provides a mechanical indication of fuse operation and allows for remote signalling to alert maintenance personnel of a blown fuse.
Is this fuse RoHS compliant?
Yes, the product is RoHS compliant, ensuring it meets environmental and safety standards.
Common Search Terms
high-speed fuse, Protistor fuse, Size 31 fuse, 350A fuse, semiconductor protection fuse, aR fuse, 690VAC fuse, 700VAC UL fuse, DIN 80 blade fuse, striker fuse, industrial fuse, bolted mounting fuse
| Manufacturer Part Number | Q300049 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322736 |
| Height | 110mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V350A |
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