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MERSEN FUSE A 130 URD 70 LI 0315 D300659
High-speed aR fuse with ceramic square body, striker indication, and slotted blades for reliable semiconductor protection at 315A, 1200VAC IEC, 1300VAC UL.
£82.06
Why Choose the Mersen D300659 Protistor® High-Speed Fuse?
The Mersen D300659 is a premium Protistor® square body high-speed semiconductor fuse engineered to provide exceptional protection for modern power electronic equipment. Designed for rapid fault interruption, this aR ultra-fast fuse protects sensitive semiconductor devices including IGBTs, diodes, thyristors and GTOs against damaging short-circuit currents, helping maximise equipment reliability and minimise costly downtime.
Part of the renowned Mersen Protistor® Size 70 series, the D300659 combines low let-through energy, silver-plated contacts and a robust square body construction to deliver dependable protection in demanding industrial environments. An integrated striker indicator allows quick identification of fuse operation, simplifying maintenance and reducing service times.
With a 315 A current rating, 1200 V AC IEC / 1300 V AC UL voltage rating and 150 kA breaking capacity, the D300659 is ideally suited for industrial drives, renewable energy systems, UPS equipment, motor control centres and high-power converters requiring reliable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 315 A current rating for demanding industrial applications.
- 1200 V AC IEC / 1300 V AC UL voltage capability.
- 150 kA breaking capacity for outstanding fault interruption.
- Integrated striker indicator simplifies maintenance.
- Silver-plated contacts ensure excellent conductivity and long service life.
Key Features
- Mersen Protistor® Size 70 series.
- Catalogue number: A130UD70LI315.
- 315 A rated current.
- 1200 V AC (IEC) / 1300 V AC (UL).
- aR ultra-fast acting characteristic.
- Square body construction.
- Slotted blade terminals (long).
- Integrated striker indicator.
Reliable Protection for Industrial Power Electronics
Semiconductor protection fuses are specifically designed to interrupt high fault currents before sensitive electronic components can be damaged. Their ultra-fast operating characteristics help reduce thermal stress, extend equipment life and minimise expensive downtime within industrial power systems.
The Mersen Protistor® Size 70 range is widely specified for variable speed drives, renewable energy systems, UPS installations, industrial automation and power conversion equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- Power converters and rectifiers.
- Renewable energy inverters.
- UPS and backup power equipment.
- Industrial automation and process control systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1200 V | |
| Item number | D300659 | |
| Catalogue No | A130UD70LI315 | |
| Description | Square Body High-Speed Fuse Protistor® Size 70 aR 1200VAC IEC 1300VAC UL 315A With Striker Slotted Blades long | |
| EAN/UPC Code | 3605340331783 | |
| Rated voltage AC UL | 1300 V | |
| Rated voltage AC IEC | 1200 V | |
| Ampere Rating | 315 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 70 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 149000 A²s | |
| Melting I2t | 20000 A²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Slotted Blades | |
| Product Width | 39.8 mm | |
| Product Length | 152.4 mm | |
| Product Height | 49.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.1298 kg | |
| Sell Pack Width | 133 mm | |
| Sell Pack Length | 157 mm | |
| Sell Pack Height | 54 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.3766 kg | |
| Power Dissipation at Rated Current Value | 72 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen D300659 used for?
The D300659 is designed to protect semiconductor devices including IGBTs, diodes, thyristors and GTOs from damaging short-circuit currents in industrial power electronic equipment.
What is the current rating of this fuse?
The Mersen D300659 has a rated current of 315 A.
What voltage is the D300659 rated for?
It is rated for 1200 V AC (IEC) and 1300 V AC (UL).
Does this fuse include a status indicator?
Yes. The fuse incorporates an integrated striker indicator to simplify maintenance and fuse status identification.
Where is this fuse commonly installed?
It is commonly installed in industrial drives, converters, UPS systems, renewable energy equipment and other semiconductor-based power conversion systems.
Trusted for Critical Semiconductor Protection
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers to deliver dependable protection for high-value power electronic equipment operating in demanding industrial environments.
