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 6,9 URD 31 D11 A 0250 6,9URD31D11A0250
MPN: J300020
Alt. SKU: PC31UD69V250D1A
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 250A With Striker DIN 110 Blades PC31UD69V250D1A?
This high-speed fuse delivers reliable short-circuit protection for demanding industrial power systems up to 690VAC (IEC) and 700VAC (UL), with a rated current of 250A. Its square body design ensures optimal heat dissipation and easy fitment within compact assemblies.
The integrated striker provides quick visual indication of fuse operation for rapid maintenance response, while DIN 110 blade terminations offer secure, standardised compatibility. Engineered for critical semiconductor and power conversion applications, the PC31UD69V250D1A supports enhanced system safety and operational continuity.
Technical Specifications
- Item number: J300020
- Catalogue No: PC31UD69V250D1A
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 250A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340322446
- 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: 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: 52 W
Product Code: J300020
Key Benefits
- High-speed protection for semiconductor and power conversion circuits.
- Reliable operation at voltages up to 700VAC (UL) and 690VAC (IEC).
- Visual operation indication via integrated striker for quick maintenance.
- Compact square body design optimising heat dissipation and space.
- Durable ceramic body and silver-plated copper terminals ensure longevity and conductivity.
- Standard DIN 110 blade terminations for easy installation and replacement.
- High breaking capacity of 200 kA for robust short-circuit interruption.
Compatibility
This fuse is compatible with industrial power systems requiring high-speed semiconductor protection, particularly those designed to IEC and UL standards. It fits fuse holders and assemblies designed for Size 31 fuses with DIN 110 blade terminals, making it suitable for integration into existing protection schemes and equipment.
Applications
- Industrial power conversion equipment.
- Semiconductor device protection.
- Motor drives and inverters.
- Renewable energy systems such as solar inverters.
- High-current DC and AC power circuits requiring fast fuse response.
- Manufacturing and process control machinery.
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-circuits quickly to protect sensitive components.
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 provides a visual indication by physically moving or popping out when the fuse operates, allowing for quick identification of a blown fuse without disassembly.
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, PC31UD69V250D1A, 250A fuse, 690VAC fuse, 700VAC fuse, DIN 110 blade fuse, striker fuse, industrial power fuse, aR characteristic fuse, ceramic body fuse
| Manufacturer Part Number | J300020 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322446 |
| Height | 134.6mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V250D1A |