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MERSEN FUSE 12,5 URD 71 EF 0160 C300750
High-speed Protistor® fuse with 160A rating, 1250VAC IEC and 1300VAC UL voltage ratings, featuring striker indication and open slot blades for bolted mounting.
£84.35
Why Choose the Mersen C300750 High-Speed Semiconductor Fuse?
The Mersen C300750 is an industrial high-speed semiconductor fuse intended for the protection of sensitive power electronic components against damaging short-circuit currents. It is suitable for electrical equipment containing semiconductor devices such as IGBTs, thyristors, SCRs, rectifier diodes and power modules.
High-speed fuses are designed to operate more rapidly than conventional general-purpose fuses, limiting the thermal and electrical energy transferred to protected components during a fault. This specialised performance can help reduce secondary equipment damage, improve system reliability and minimise costly downtime in industrial power conversion and motor-control installations.
The Mersen C300750 fuse is suitable for maintenance, repair and replacement applications where its electrical ratings, fuse class, body dimensions and terminal arrangement match the original component. The current rating, voltage rating, breaking capacity and mounting configuration should be verified from the fuse markings or official Mersen documentation before installation.
Key Advantages
- High-speed semiconductor protection for industrial power electronics.
- Rapid fault interruption helps minimise damage to sensitive components.
- Low let-through energy supports effective short-circuit protection.
- Industrial construction for demanding electrical environments.
- Suitable for power conversion, motor-control and automation equipment.
- Manufactured by Mersen, a recognised specialist in electrical protection.
Key Features
- Mersen C300750 industrial fuse.
- High-speed operating characteristic for semiconductor applications.
- Designed to limit damaging short-circuit current and fault energy.
- Suitable for protecting IGBTs, SCRs, thyristors and rectifier diodes.
- Designed for installation within industrial electrical equipment.
- Compatible with an appropriately rated fuse holder or mounting assembly.
- Suitable for original equipment maintenance and replacement applications.
- Engineered for dependable protection of power electronic systems.
Reliable Protection for Industrial Power Electronics
Power semiconductor devices can be damaged by fault currents before conventional circuit-protection products have time to operate. High-speed fuses such as the Mersen C300750 are designed to interrupt these currents rapidly, reducing the amount of damaging energy that reaches sensitive electronic components.
Correct fuse selection is essential for safe and reliable operation. Any replacement fuse should match the required current rating, voltage rating, utilisation category, breaking capacity, dimensions and terminal arrangement specified by the equipment manufacturer.
Typical Applications
- Variable frequency drives and industrial motor controllers.
- Power converters and inverter systems.
- Rectifier and thyristor assemblies.
- Uninterruptible power supply equipment.
- Industrial automation and control systems.
- Renewable energy power conversion equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1250 V | |
| Item number | C300750 | |
| Catalogue No | PC71UD13C160EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 71 aR 1250VAC IEC 1300VAC UL 160A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340332988 | |
| Rated voltage AC UL | 1300 V | |
| Rated voltage AC IEC | 1250 V | |
| Ampere Rating | 160 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 71 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 21 kA²s | |
| Melting I2t | 2.6 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 126 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Open Slot Blades | |
| Product Width | 51 mm | |
| Product Length | 149.4 mm | |
| Product Height | 56.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.62 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 174 mm | |
| Sell Pack Height | 71 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.54 kg | |
| Power Dissipation at Rated Current Value | 46 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen C300750 used for?
The Mersen C300750 is used to provide high-speed short-circuit protection for semiconductor devices and industrial power electronic equipment.
Which components can the C300750 protect?
It is intended for applications involving sensitive components such as IGBTs, thyristors, SCRs, rectifier diodes and semiconductor power modules.
Can the C300750 replace a general-purpose fuse?
It should only be installed where its electrical ratings, operating characteristic, dimensions and terminal configuration match the equipment requirements. A general-purpose fuse may not provide sufficiently rapid semiconductor protection.
How can I confirm the current and voltage ratings?
Check the markings printed on the original fuse and compare them with the equipment documentation or an official Mersen technical datasheet before ordering a replacement.
Where is this fuse typically installed?
It is typically installed within industrial drives, converters, rectifiers, power supplies, control cabinets and other equipment containing semiconductor power devices.
Trusted Industrial Electrical Protection
Mersen high-speed fuses are specified by equipment manufacturers, panel builders and maintenance engineers to protect critical semiconductor components in demanding industrial power electronic systems.
