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MERSEN FUSE 6,9 URD 31 EF 0250 6,9URD31EF0250
MPN: D300038
Alt. SKU: PC31UD69V250EF
Special Price
£74.56
£62.13
Regular Price
£135.56
MERSEN FUSE 6,9 URD 31 EF 0250 6,9URD31EF0250 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 250A With Striker Open Slot Blades PC31UD69V250EF?
This high-speed fuse offers precise protection for semiconductor devices, ensuring rapid response to overloads and short circuits. With a 250A rating and compatibility up to 700VAC (UL), it meets stringent IEC and UL standards for demanding industrial environments.
Its robust square body design and integrated striker support reliable operation and remote indication, while the open slot blades enable versatile mounting and efficient heat dissipation. Ideal for critical applications requiring assured circuit protection and system uptime.
Product Code: D300038
Key Benefits
- Rapid response to overloads and short circuits for semiconductor protection
- High breaking capacity of 200 kA ensures reliable interruption of fault currents
- Integrated striker indication system allows for easy remote signalling
- Robust ceramic body ensures durability in harsh industrial environments
- Open slot blades facilitate versatile mounting and efficient heat dissipation
- Compliance with IEC and UL standards guarantees safety and performance
Compatibility
This fuse is compatible with semiconductor devices requiring high-speed protection up to 250A and voltages of 690VAC (IEC) and 700VAC (UL). It is designed for bolted mounting applications in industrial electrical systems and fits fuse holders designed for Size 31 fuses with open slot blade terminals.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverters
- Power supply units and transformers
- Renewable energy systems including solar and wind inverters
- Automation and control equipment requiring fast-acting protection
Technical Specifications
- Item number: D300038
- Catalogue No: PC31UD69V250EF
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 250A With Striker Open Slot Blades
- EAN/UPC Code: 3605340322620
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 250 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 28000 A²s
- Melting I2t: 4700 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: Open Slot Blades
- Product Width: 51 mm
- Product Length: 109.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.2129 kg
- Sell Pack Width: 143 mm
- Sell Pack Length: 175 mm
- Sell Pack Height: 73 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.4043 kg
- Power Dissipation at Rated Current Value: 52 W
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' rating indicates a high-speed fuse designed for semiconductor protection, capable of interrupting high 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 in the 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 indication and easier maintenance.
Is this fuse RoHS compliant?
Yes, it is RoHS compliant, ensuring it meets environmental and safety standards.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Size 31 fuse, 250A fuse, 690VAC fuse, UL rated fuse, aR fuse, striker indication fuse, bolted mounting fuse, open slot blade fuse
| Manufacturer Part Number | D300038 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322620 |
| Height | 109.4mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V250EF |
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