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MERSEN FUSE 12,5 URD 72 TTF 0315 12,5URD72TTF0315
The PC72UD13C315TF high-speed fuse offers reliable circuit protection for demanding applications, supporting 1250VAC (IEC) and 1300VAC (UL) systems with a robust 315A rating. Designed with a square body and flush striker ends, it ensures safe and efficient interruption of high fault currents while streamlining installation in metric-threaded assemblies.
£94.74
Why Choose the Mersen Z300494 High-Speed Semiconductor Fuse?
The Mersen Z300494 is an industrial high-speed semiconductor fuse designed to protect sensitive power electronic equipment against damaging short-circuit currents. It is intended for applications that require rapid fault interruption and effective current limitation to help safeguard valuable semiconductor components.
The Z300494 helps restrict the thermal and mechanical energy transferred to power electronics during an electrical fault. Its high-speed operating characteristics make it suitable for coordinated protection in equipment incorporating IGBTs, thyristors, diodes, rectifiers and other semiconductor switching devices.
Engineered for demanding industrial environments, the Mersen Z300494 may be used in compatible fuse assemblies within drives, converters, inverters, uninterruptible power supplies and automation equipment. The exact current rating, voltage rating, breaking capacity, dimensions and terminal configuration should be verified against the fuse markings or current Mersen technical documentation before installation.
Key Advantages
- High-speed protection for sensitive industrial power electronics.
- Rapid short-circuit interruption helps minimise semiconductor damage.
- Current-limiting performance helps reduce damaging let-through energy.
- Suitable for coordinated protection in power conversion equipment.
- Robust construction for demanding industrial applications.
- Helps reduce repair costs and unplanned equipment downtime.
Key Features
- Genuine Mersen fuse reference Z300494.
- High-speed response during short-circuit conditions.
- Designed for power semiconductor protection applications.
- Effective current limitation to reduce thermal and mechanical stress.
- Suitable for industrial power conversion and control equipment.
- Compatible with correctly specified industrial fuse assemblies.
- Suitable for OEM, maintenance and replacement requirements.
- Engineered for reliable performance in critical electrical systems.
Reliable Protection for Power Electronics
High-speed semiconductor fuses operate more rapidly than conventional general-purpose fuses. Their fast response helps restrict the amount of fault energy reaching sensitive electronic components, where even a brief short circuit can permanently damage semiconductor junctions and associated circuitry.
Correct fuse selection is essential for coordinated circuit protection. Matching the complete Mersen reference, rated current, rated voltage, utilisation category, dimensions and terminal configuration helps maintain the intended safety, reliability and performance of the equipment.
Typical Applications
- Variable frequency drives and industrial motor drives.
- Power converters and rectifier systems.
- Industrial inverters and switching equipment.
- Uninterruptible power supplies and backup power systems.
- Renewable energy power conversion equipment.
- Industrial automation and electrical control panels.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1250 V | |
| Item number | Z300494 | |
| Catalogue No | PC72UD13C315TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 315A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340329254 | |
| Rated voltage AC UL | 1300 V | |
| Rated voltage AC IEC | 1250 V | |
| Ampere Rating | 315 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 72 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 125 kA²s | |
| Melting I2t | 15.1 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 126 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 59 mm | |
| Product Length | 74 mm | |
| Product Height | 63 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 0.8 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.8 kg | |
| Power Dissipation at Rated Current Value | 76 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen Z300494 used for?
The Mersen Z300494 is a high-speed fuse intended to protect sensitive power electronic equipment against damaging short-circuit currents.
Which components can the Z300494 help protect?
Depending on the circuit design and protection coordination, high-speed fuses of this type may be used with equipment containing IGBTs, thyristors, diodes and rectifier assemblies.
Where is the Mersen Z300494 typically installed?
It may be installed in a compatible fuse assembly within industrial drives, converters, inverters, UPS equipment and other semiconductor-based power systems.
Can a general-purpose fuse replace the Mersen Z300494?
No. A replacement must match the required high-speed operating characteristic, current and voltage ratings, breaking capacity, dimensions and terminal arrangement.
How should compatibility be confirmed?
Check the complete Mersen reference and compare the fuse markings, equipment documentation and official Mersen technical data before installation.
Trusted for Industrial Power Protection
Mersen high-speed fuses are widely used by equipment manufacturers, panel builders and maintenance engineers to provide dependable protection for critical power electronic systems.
