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MERSEN FUSE 6,9 URD 31 D11 A 0550 6,9URD31D11A0550
MPN: P300025
Alt. SKU: PC31UD69V550D1A
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker DIN 110 Blades PC31UD69V550D1A?
Engineered for demanding applications, this high-speed fuse ensures rapid and reliable protection for sensitive power electronics. Rated at 690VAC (IEC) and 700VAC (UL) with a robust 550A current capacity, it is ideally suited for safeguarding semiconductors and critical components.
The integrated striker allows easy remote indication and system integration, while DIN 110 blades enable secure and efficient installation. Compliant with rigorous international standards, this Protistor® fuse delivers trusted, long-term performance in modern industrial environments.
Product Code: P300025
Key Benefits
- High-speed fuse providing rapid protection for sensitive electronics
- Rated for high voltages: 690VAC (IEC) and 700VAC (UL)
- Robust 550A current rating suitable for demanding industrial applications
- Integrated striker for reliable remote indication
- Durable ceramic body with silver-plated copper DIN 110 blade terminals
- Compliant with international safety and quality standards
- Bolted mounting ensures secure and stable installation
Compatibility
This fuse is compatible with semiconductor protection systems requiring Size 31 aR high-speed fuses. It fits fuse holders and switchgear designed for DIN 110 blade terminals and is suitable for use in AC circuits up to 700V. Ideal for integration in industrial control panels and power electronics protection setups.
Applications
- Protection of semiconductors such as thyristors and diodes
- Industrial motor drives and variable speed drives
- Power supply units and converters
- Renewable energy systems including solar inverters
- Automation and control systems requiring fast-acting protection
Technical Specifications
- Item number: P300025
- Catalogue No: PC31UD69V550D1A
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 550A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340322491
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 550 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 310000 A²s
- Melting I2t: 52000 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: 75 W
Frequently Asked Questions
What is the primary function of this fuse?
This fuse provides high-speed protection for semiconductor devices and sensitive power electronics by interrupting fault currents rapidly to prevent damage.
Can this fuse be used in DC circuits?
No, this particular fuse is rated for AC applications only, as indicated in the technical specifications.
What does the integrated striker do?
The striker provides a mechanical indication of fuse operation, allowing remote signalling when the fuse has blown.
Is this fuse RoHS compliant?
Yes, the fuse is RoHS compliant, ensuring it meets environmental and safety standards.
What mounting type does this fuse require?
This fuse is designed for bolted mounting, ensuring a secure and stable connection in the fuse holder or switchgear.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Protistor fuse, Size 31 fuse, 550A fuse, 690VAC fuse, 700VAC fuse, aR fuse, DIN 110 blade fuse, striker fuse, industrial fuse, bolted mounting fuse, ceramic body fuse
| Manufacturer Part Number | P300025 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322491 |
| Height | 134.6mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | PC31UD69V550D1A |