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MERSEN FUSE 6,9 URD 30 TT F 0315 PC30UD69V315TF
High-speed aR characteristic fuse rated at 315A with 690VAC IEC and 700VAC UL ratings, featuring a ceramic square body, striker indication system, and flush end silver-plated brass terminals with metric threads.
£67.69
Why Choose the Mersen Z300057 Protistor® High-Speed Fuse?
The Mersen Z300057 (PC30UD69V315TF) is a premium square body high-speed semiconductor fuse designed to provide superior protection for modern power electronic equipment. As part of the trusted Mersen Protistor® Size 30 series, this ultra-fast acting aR fuse protects sensitive semiconductor devices including IGBTs, MOSFETs, thyristors and diodes from damaging short-circuit currents.
Engineered for demanding industrial environments, the Z300057 delivers exceptional current limitation and low let-through energy, helping reduce damage to expensive power electronics while improving equipment reliability. Its ceramic square body construction, silver-plated contact surfaces and integrated striker provide dependable protection and easy fuse status indication.
With a rated current of 315 A and a 690 V AC IEC / 700 V AC UL voltage rating, the Mersen Z300057 is ideally suited for variable frequency drives, UPS systems, power converters, renewable energy equipment and industrial automation systems requiring reliable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 315 A current rating for industrial power electronics.
- 690 V AC IEC / 700 V AC UL voltage capability.
- Protects IGBTs, MOSFETs, thyristors and power semiconductor modules.
- Integrated striker indicator for remote monitoring.
- Low I²t performance helps minimise damage during fault conditions.
Key Features
- Mersen Protistor® Size 30 series.
- Catalogue number: PC30UD69V315TF.
- 315 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Ultra-fast aR operating characteristic.
- Flush-end metric threaded terminals.
- Integrated striker for fuse operation indication.
- Ceramic body with silver-plated contact surfaces.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically designed to interrupt short-circuit currents before they can damage valuable semiconductor devices. Their ultra-fast response reduces thermal stress and limits fault energy, helping maximise equipment life while reducing maintenance costs.
The Mersen Protistor® Size 30 range is trusted by OEMs, panel builders and maintenance engineers worldwide for protecting converters, industrial drives, UPS systems and renewable energy equipment operating in demanding industrial environments.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor control systems.
- Power converters and rectifiers.
- UPS and backup power equipment.
- Renewable energy inverters.
- Industrial automation and power distribution systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | Z300057 | |
| Catalogue No | PC30UD69V315TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 315A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340322811 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 315 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 67 kA²s | |
| Melting I2t | 12 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 40 mm | |
| Product Length | 50.6 mm | |
| Product Height | 48 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.7389 kg | |
| Sell Pack Width | 85 mm | |
| Sell Pack Length | 135 mm | |
| Sell Pack Height | 55 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.2463 kg | |
| Power Dissipation at Rated Current Value | 53 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen Z300057 used for?
The Z300057 is a high-speed semiconductor fuse designed to protect IGBTs, MOSFETs, thyristors and other semiconductor devices against damaging short-circuit currents.
What is the current rating of this fuse?
This fuse has a continuous current rating of 315 A.
What voltage is the fuse rated for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL).
What is the purpose of the integrated striker?
The integrated striker provides mechanical indication when the fuse operates and can be used with compatible auxiliary microswitches for remote monitoring.
Where is this fuse commonly installed?
It is commonly installed in industrial drives, power converters, UPS systems, renewable energy equipment and other applications requiring reliable semiconductor protection.
Trusted for Industrial Semiconductor Protection
Mersen Protistor® semiconductor fuses are trusted worldwide by engineers and equipment manufacturers for delivering dependable protection of high-value power electronic systems.
