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MERSEN FUSE 12,5 URD 70 D11 A 0160 12,5URD70D11A0160
High-speed aR fuse rated at 160A for AC applications up to 1250VAC IEC and 1300VAC UL, featuring integral striker indication and DIN 110 blade terminals.
£67.40
Why Choose the Mersen Z300540 High-Speed Semiconductor Fuse?
The Mersen Z300540 is an industrial high-speed semiconductor fuse intended to protect sensitive power electronic equipment against damaging short-circuit currents. It is suited to applications requiring rapid fault interruption and effective current limitation to help safeguard valuable semiconductor components.
The Z300540 helps restrict the thermal and mechanical energy transferred to power electronics during an electrical fault. Its fast operating characteristics make it suitable for coordinated protection within equipment incorporating IGBTs, thyristors, diodes, rectifiers and other semiconductor switching devices.
Designed for demanding industrial environments, the Mersen Z300540 may be installed in a compatible fuse assembly within drives, converters, inverters, uninterruptible power supplies and automation equipment. The precise current rating, voltage rating, utilisation category, dimensions and terminal configuration should be verified from the original fuse markings or official 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 within power conversion equipment.
- Robust construction for demanding industrial applications.
- Helps reduce repair costs and unplanned equipment downtime.
Key Features
- Genuine Mersen reference Z300540.
- High-speed response during short-circuit conditions.
- Designed for power semiconductor protection applications.
- Effective current limitation helps 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 operation 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 | Z300540 | |
| Catalogue No | PC70UD13C160D1A | |
| Description | Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 160A With Striker DIN 110 Blades | |
| EAN/UPC Code | 3605340329988 | |
| 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 | 70 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 21000 A²s | |
| Melting I2t | 2570 A²s | |
| 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 | DIN 110 Blades | |
| Product Width | 39.8 mm | |
| Product Length | 133.4 mm | |
| Product Height | 49.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.0899 kg | |
| Sell Pack Width | 130 mm | |
| Sell Pack Length | 140 mm | |
| Sell Pack Height | 50 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.3633 kg | |
| Power Dissipation at Rated Current Value | 45 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen Z300540 used for?
The Mersen Z300540 is a high-speed fuse intended to protect sensitive power electronic equipment against damaging short-circuit currents.
Which components can the Z300540 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 Z300540 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 Z300540?
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.
