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High-speed fuse offering reliable protection for semiconductors and power electronics at up to 1250VAC (IEC) and 1300VAC (UL), rated at 63A with a robust ceramic square body and striker indication system.
£61.94
The Mersen Q301015 is an industrial high-speed semiconductor protection fuse designed to safeguard sensitive power electronic components against damaging short-circuit currents. Manufactured by Mersen, it is intended for use in demanding electrical systems containing devices such as diodes, thyristors, rectifiers and insulated-gate bipolar transistors.
High-speed fuses operate more rapidly than conventional industrial fuses, helping to limit peak fault current and reduce the thermal energy transferred to connected equipment. This rapid response can minimise damage to valuable semiconductor components, reduce unplanned downtime and support the reliable operation of industrial power conversion systems.
The Mersen Q301015 is suitable for applications including variable speed drives, power converters, industrial rectifiers, uninterruptible power supplies and renewable energy equipment. Its precise current rating, voltage rating, connection style and dimensional information should be confirmed using the product label or official Mersen technical documentation before specification or installation.
Power semiconductors can be permanently damaged by excessive fault current within a fraction of a second. High-speed fuses are engineered to interrupt these currents rapidly, helping to restrict peak current, thermal stress and the total energy transferred into sensitive components.
The Mersen Q301015 is intended for power electronic installations where a conventional general-purpose fuse may not respond quickly enough to protect semiconductor devices. Correct fuse coordination is essential, and any replacement should match the equipment manufacturer's specified current, voltage, breaking capacity, operating characteristic and terminal configuration.
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1250 V | |
| Item number | Q301015 | |
| Catalogue No | A130UD70TTI63 | |
| Description | Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 63A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340335491 | |
| Rated voltage AC UL | 1300 V | |
| Rated voltage AC IEC | 1250 V | |
| Ampere Rating | 63 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 70 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 1680 A²s | |
| Melting I2t | 210 A²s | |
| 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 | 39.8 mm | |
| Product Length | 74 mm | |
| Product Height | 49.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.05 kg | |
| Sell Pack Width | 85 mm | |
| Sell Pack Length | 135 mm | |
| Sell Pack Height | 550 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.35 kg | |
| Power Dissipation at Rated Current Value | 26 W | |
| HS Code | 85351000 |
The Mersen Q301015 is used to protect sensitive semiconductor components and industrial power electronic equipment against damaging short-circuit currents.
It is intended for the protection of power semiconductor components such as diodes, thyristors, rectifiers and IGBTs.
No. It is a high-speed semiconductor protection fuse designed to interrupt fault currents more rapidly than a conventional general-purpose fuse.
The replacement should match the complete Q301015 reference together with the original current rating, voltage rating, breaking capacity, operating characteristic and connection type.
It is typically installed in industrial drives, rectifiers, converters, UPS equipment and other electrical assemblies containing sensitive power semiconductor devices.
Mersen high-speed semiconductor fuses are used across industrial power electronic systems to provide rapid fault interruption and dependable protection for valuable semiconductor components.
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