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MERSEN FUSE A 070 URD 30 LI 0160 A070URD30LI0160
The A070UD30LI160 delivers reliable high-speed protection for sensitive power semiconductor devices in demanding industrial environments. Featuring robust striker slotted blades and a ceramic square body design.
£95.84
Why Choose the Mersen R300142 Protistor® High-Speed Fuse?
The Mersen R300142 is a high-performance Protistor® square body semiconductor fuse engineered to provide ultra-fast protection for sensitive power semiconductor devices. Designed for demanding industrial applications, it safeguards components such as IGBTs, thyristors, diodes and MOSFETs used in power conversion, motor drives, UPS systems and renewable energy equipment.
As part of the trusted Mersen Protistor® Size 30 aR series, the R300142 delivers rapid fault clearing with low let-through energy, helping minimise damage to valuable semiconductor components. Its robust square body construction, silver-plated contacts and high interrupting capacity make it a dependable solution for critical industrial electrical protection.
Rated at 160 A with a 690 V AC (IEC) / 700 V AC (UL) voltage rating, the R300142 features slotted long blade terminals with an integrated striker, allowing easy installation and optional remote fuse indication in modern electrical systems.
Key Advantages
- Ultra-fast aR semiconductor fuse for sensitive power electronics.
- 160 A current rating for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Provides excellent protection for IGBTs, diodes, thyristors and MOSFETs.
- Integrated striker indicator for optional remote fuse monitoring.
- High breaking capacity and low I²t for maximum semiconductor protection.
Key Features
- Mersen Protistor® Size 30 high-speed fuse.
- aR ultra-fast operating characteristic.
- 160 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- Square body construction with long slotted blade terminals.
- Integrated mechanical striker indicator.
- Silver-plated contact surfaces.
- Designed specifically for semiconductor protection applications.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are specifically designed to protect sensitive electronic power devices from damaging short circuits. Their ultra-fast operating characteristics significantly reduce fault energy, helping extend equipment life and minimise costly downtime.
The Mersen Protistor® range is widely used throughout industrial automation, renewable energy, power conversion and motor control systems where reliable semiconductor protection is essential for safe and efficient operation.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- UPS and power supply systems.
- Renewable energy inverters.
- Power converters and rectifiers.
- Industrial automation and control panels.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | R300142 | |
| Catalogue No | A070UD30LI160 | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 160A With Striker Slotted Blades long | |
| EAN/UPC Code | 3605340323870 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 160 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 9.2 kA²s | |
| Melting I2t | 1.6 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Slotted Blades | |
| Product Width | 40 mm | |
| Product Length | 148.6 mm | |
| Product Height | 48 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.9639 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 | 0.3213 kg | |
| Power Dissipation at Rated Current Value | 37 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen R300142 used for?
The R300142 is designed to provide ultra-fast protection for semiconductor devices including IGBTs, thyristors, MOSFETs and diodes used in industrial power conversion equipment.
What is the current rating of this fuse?
The fuse has a 160 A current rating.
What voltage is the R300142 rated for?
It is rated for 690 V AC (IEC) and 700 V AC (UL).
Does this fuse include an indicator?
Yes. It features an integrated mechanical striker that can be used for optional remote fuse indication.
Which applications commonly use this fuse?
It is commonly installed in variable speed drives, UPS systems, power converters, renewable energy equipment and industrial automation systems requiring semiconductor protection.
Trusted for Critical Semiconductor Protection
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers to provide reliable, high-speed protection for modern power electronic equipment.
