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MERSEN FUSE 600V 500A CLASS J HS FUSE HSJ500
The Fuse HSJ500 delivers superior circuit protection with high-speed response for safeguarding sensitive power electronics in demanding industrial environments.
£495.14
Why Choose the Mersen HSJ500 High Speed Class J Fuse?
The Mersen HSJ500 is a heavy-duty Class J high speed semiconductor fuse designed to provide dependable branch circuit protection and rapid protection for sensitive power electronic components. Part of the established Mersen Amp-Trap® HSJ Series, it combines Class J circuit protection with low let-through energy for demanding industrial electrical systems.
The HSJ500 is engineered to interrupt damaging fault currents quickly, helping protect diodes, SCRs, GTOs, IGBTs, solid state relays and other semiconductor devices. Its high speed operating characteristic limits the thermal and electrical energy reaching protected equipment, reducing the risk of component damage, expensive repairs and unplanned production downtime.
With a rated current of 500 A, an AC voltage rating of 600 V and a DC voltage rating of 500 V, the Mersen HSJ500 is suitable for variable frequency drives, soft starters, power conversion equipment and high-current industrial control systems. Its blade-terminal construction enables secure installation in compatible Class J fuse holders and approved fused equipment.
Key Advantages
- High speed Class J fuse for semiconductor and branch circuit protection.
- 500 A current rating for high-power industrial applications.
- 600 V AC and 500 V DC ratings for versatile circuit protection.
- Low I²t performance helps minimise stress on sensitive semiconductor devices.
- Rapid fault interruption helps reduce equipment damage and production downtime.
- Heavy-duty blade terminals provide secure installation and reliable conductivity.
Key Features
- Mersen Amp-Trap® HSJ high speed fuse series.
- 500 A rated current.
- 600 V AC / 500 V DC rated voltage.
- 50 / 60 Hz operating frequency.
- Class J branch circuit protection.
- Low let-through energy for semiconductor protection.
- 200 kA AC interrupting capacity.
- Blade terminals for compatible clip-mounted fuse equipment.
Reliable Protection for High-Power Electronics
High speed fuses such as the Mersen HSJ500 are designed to interrupt short-circuit currents before excessive fault energy can damage sensitive semiconductor components. By limiting peak current and let-through energy, the fuse helps protect electronic switching devices that can be more vulnerable to overcurrent conditions than conventional electrical equipment.
The HSJ500 combines Class J branch circuit performance with high speed semiconductor protection, helping simplify industrial electrical system design. It is particularly suitable for high-current applications involving motor drives, power conversion assemblies and electronically controlled machinery.
Typical Applications
- High-power variable frequency drives and motor controllers.
- Industrial control panels and automation systems.
- Soft starters and solid state power controllers.
- Power converters, inverters and rectifiers.
- SCR, GTO, IGBT and diode protection circuits.
- Industrial power supplies and OEM machinery.
Technical Specifications
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| Current | 500 A | |
|---|---|---|
| Voltage | 600 V | |
| Fuse Type | UL class | |
| Item number | HSJ500 | |
| Description | Fuse HSJ - Class J - High-Speed 600VAC 500VDC 500A Blade Amp-Trap® | |
| EAN/UPC Code | 782001329747 | |
| Rated voltage AC UL | 600 V | |
| Rated voltage DC UL | 500 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 500 A | |
| AC or DC | AC/DC | |
| Fuse Class | Class J | |
| Speed/Characteristic | High Speed | |
| Mounting | Clip | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Blade | |
| Product Diameter | 63.5 mm | |
| Product Length | 203.2 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 1.4379 kg | |
| Sell Pack Width | 63.5 mm | |
| Sell Pack Length | 222.2 mm | |
| Sell Pack Height | 60.5 mm | |
| Product group | Low Voltage UL/CSA Fuses | |
| Body/Insulating Material | GMG | |
| Product Weight | 1.3698 kg | |
| HS Code | 85361090 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Mersen HSJ500 used for?
The HSJ500 provides high speed overcurrent protection for power semiconductor devices while also delivering Class J branch circuit protection.
What is the current rating of the HSJ500?
The Mersen HSJ500 has a rated current of 500 A.
What voltage ratings does the HSJ500 support?
The fuse is rated for circuits operating at up to 600 V AC or 500 V DC.
What is the AC interrupting capacity of the HSJ500?
The HSJ500 has an AC interrupting capacity of 200 kA, making it suitable for industrial systems with high available fault currents.
How is the Mersen HSJ500 installed?
The fuse uses blade terminals and is installed in a compatible Class J fuse holder, fused switch or other approved electrical equipment.
Trusted for Industrial Circuit Protection
Mersen Amp-Trap® HSJ fuses are widely selected by automation engineers, panel builders and equipment manufacturers requiring dependable branch circuit protection and rapid fault interruption for sensitive industrial power electronics.
