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MERSEN FUSE 6,9 URD 31 D11 A 0450 6,9URD31D11A0450
MPN: M300023
Alt. SKU: PC31UD69V450D1A
Special Price
£86.95
£72.46
Regular Price
£158.09
MERSEN FUSE 6,9 URD 31 D11 A 0450 6,9URD31D11A0450 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 450A With Striker DIN 110 Blades PC31UD69V450D1A?
Engineered for demanding industrial and power electronics applications, the PC31UD69V450D1A delivers reliable protection of semiconductors against short-circuit events, featuring high interrupting ratings and rapid response to overcurrents at up to 690VAC. Compliance with IEC and UL standards ensures suitability within global systems, supporting up to 450A continuous operation.
The integrated striker provides safe, remote indication of fuse operation, while DIN 110 blades offer robust, straightforward installation. Compact and durable, this fuse guarantees minimum downtime and maximum equipment protection for critical assemblies.
Technical Specifications
- Item number: M300023
- Catalogue No: PC31UD69V450D1A
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 450A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340322477
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 450 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 155000 A²s
- Melting I2t: 26500 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 110 Blades
- Product Width: 51 mm
- Product Length: 134.6 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.2429 kg
- Sell Pack Width: 142 mm
- Sell Pack Length: 166 mm
- Sell Pack Height: 62 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.4143 kg
- Power Dissipation at Rated Current Value: 70 W
Product Code: PC31UD69V450D1A
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of short-circuit currents to protect sensitive semiconductors.
- Rated for up to 450A and 690VAC IEC / 700VAC UL, suitable for high power industrial environments.
- Integrated striker provides clear, remote indication of fuse operation for improved safety and maintenance.
- Durable ceramic body and silver-plated copper DIN 110 blade terminals ensure reliable electrical and mechanical connection.
- Compact size (31) allows easy installation in space-constrained assemblies with bolted mounting.
- High breaking capacity of 200 kA minimises risk of catastrophic failure under fault conditions.
Compatibility
This fuse is compatible with semiconductor protection fuse holders and fuse switches designed for Size 31 fuses with DIN 110 blade terminals. It integrates seamlessly into industrial motor drives, power electronics modules, and control panels requiring high-speed protection at voltages up to 690VAC.
Applications
- Protection of power semiconductors in inverters and converters
- Industrial motor drive protection
- Power electronics assemblies
- Renewable energy systems such as solar inverters
- UPS systems and critical power supplies
- General industrial electrical protection requiring fast-acting fuses
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, capable of interrupting short-circuit currents quickly while allowing normal operational currents.
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 striker is a mechanical indicator that activates when the fuse blows, providing a visible and remote signal that the fuse has operated, enhancing safety and maintenance efficiency.
Is this fuse RoHS compliant?
Yes, the product is RoHS compliant, ensuring it meets environmental and safety standards.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Size 31 fuse, aR fuse 450A, 690VAC fuse, DIN 110 blade fuse, Protistor fuse, industrial fuse, power electronics fuse, ceramic body fuse.
| Manufacturer Part Number | M300023 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322477 |
| Height | 134.6mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V450D1A |
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