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MERSEN FUSE A 055 URD 32 TTI 1600 A055URD32TTI1600
High-speed fuse optimised for semiconductor protection with 1600A rating, 500VAC IEC and 550VAC UL rated voltage, featuring a robust square body, integrated striker indication, and flush ends with UNC threads for easy installation.
£206.91
Why Choose the Mersen Q301084 High-Speed Semiconductor Fuse?
The Mersen Q301084 is an industrial high-speed semiconductor protection fuse designed to protect sensitive power electronic components against damaging short-circuit currents. Manufactured by Mersen for demanding electrical applications, it is suitable for circuits containing devices such as diodes, thyristors, rectifiers and insulated-gate bipolar transistors.
Unlike conventional general-purpose fuses, high-speed semiconductor fuses are engineered to respond rapidly when a serious electrical fault occurs. This helps restrict peak fault current and reduce the thermal energy transferred to connected components, protecting valuable equipment and helping minimise unplanned production downtime.
The Mersen Q301084 is suitable for use in variable speed drives, industrial rectifiers, power converters, uninterruptible power supplies and other power electronic systems. The fuse should be selected and installed according to the original equipment specification, with its current rating, voltage rating, utilisation category and terminal configuration verified against the product label or official Mersen technical documentation.
Key Advantages
- High-speed semiconductor protection fuse for industrial equipment.
- Rapid fault interruption helps reduce damaging let-through energy.
- Designed to protect diodes, thyristors, rectifiers and IGBT modules.
- Suitable for demanding power conversion and automation applications.
- Helps reduce semiconductor damage, equipment downtime and repair costs.
- Manufactured by Mersen, a specialist in electrical protection technology.
Key Features
- Mersen high-speed fuse technology.
- Manufacturer reference: Q301084.
- Fast operating response for semiconductor short-circuit protection.
- Current-limiting performance for sensitive power electronic circuits.
- Suitable for drives, rectifiers, converters and industrial power supplies.
- Designed for integration into electrical panels and power assemblies.
- Industrial-grade construction for dependable operation.
- Replacement selection based on the complete manufacturer reference and electrical ratings.
Reliable Protection for Industrial Power Electronics
Power semiconductor components can be permanently damaged within a fraction of a second when exposed to excessive fault current. High-speed fuses are designed to interrupt these currents rapidly, helping limit peak current, thermal stress and the total energy transferred into sensitive electronic devices.
The Mersen Q301084 is intended for installations where a standard general-purpose fuse may not operate quickly enough to protect semiconductor equipment. Correct fuse coordination is essential, and any replacement should match the equipment manufacturer's specified current, voltage, breaking capacity, operating characteristic and connection arrangement.
Typical Applications
- Variable speed drives and industrial motor control systems.
- Power converters and inverter assemblies.
- Industrial rectifiers and controlled power supplies.
- Uninterruptible power supply systems.
- Renewable energy and battery power equipment.
- Industrial automation and semiconductor protection circuits.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 500 V | |
| Item number | Q301084 | |
| Catalogue No | A055UD32TTI1600 | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 500VAC IEC 550VAC UL 1600A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340336603 | |
| Rated voltage AC UL | 550 V | |
| Rated voltage AC IEC | 500 V | |
| Ampere Rating | 1600 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 3600 kA²s | |
| Melting I2t | 870 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | Reinforced Terminal | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 59 mm | |
| Product Length | 50.6 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.8099 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 245 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.6033 kg | |
| Power Dissipation at Rated Current Value | 165 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen Q301084 used for?
The Mersen Q301084 is used to protect sensitive semiconductor components and industrial power electronic equipment against damaging short-circuit currents.
Which components can the Q301084 protect?
It is intended for the protection of power semiconductor components such as diodes, thyristors, rectifiers and IGBTs.
Is the Q301084 a general-purpose industrial fuse?
No. It is a high-speed semiconductor protection fuse designed to interrupt fault currents more rapidly than a conventional general-purpose fuse.
How should a replacement Q301084 fuse be selected?
The replacement should match the complete Q301084 reference together with the original current rating, voltage rating, breaking capacity, operating characteristic and connection type.
Where is this fuse typically installed?
It is typically installed in industrial drives, rectifiers, converters, UPS equipment and other electrical assemblies containing sensitive power semiconductor devices.
Trusted Protection for Critical Power Equipment
Mersen high-speed semiconductor fuses are used across industrial power electronic systems to provide rapid fault interruption and dependable protection for valuable semiconductor components.
