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MERSEN FUSE 6,9 URGM 236 T 325 BS236UM69V325T
Why Choose the MERSEN FUSE 6,9 URGM 236 T 325 BS236UM69V325T?
£86.61
Why Choose the Mersen J097459 Protistor® High Speed Semiconductor Fuse?
The Mersen J097459 is a Protistor® BS Standard high speed semiconductor fuse designed to provide rapid short-circuit protection for sensitive power electronic equipment. Engineered specifically for semiconductor applications, it helps protect IGBTs, thyristors, diodes, rectifiers and power converters by limiting fault current and reducing damaging let-through energy.
Manufactured in a 2 × 36 × 55 mm BS Standard body, the J097459 features an aR operating class, making it suitable for partial-range semiconductor protection where fast fault clearance is essential. The fuse incorporates a striker indicator and L-bracket terminals for straightforward installation into compatible industrial fuse assemblies.
With a 325 A current rating and a 690 V AC rating, the Mersen J097459 is ideal for industrial drives, UPS systems, converters, inverters, renewable energy equipment and other demanding power electronic applications requiring dependable semiconductor protection.
Key Advantages
- High speed Protistor® semiconductor protection fuse.
- 325 A current rating for demanding industrial applications.
- 690 V AC rated voltage.
- aR operating class for semiconductor short-circuit protection.
- Excellent current-limiting characteristics reduce semiconductor damage.
- 2 × 36 × 55 mm BS Standard construction with striker indication.
Key Features
- Mersen Protistor® series.
- Manufacturer part number J097459.
- Catalogue number BS236UM69V325T.
- 325 A rated current.
- 690 V AC rated voltage.
- aR operating class.
- Integrated striker indicator.
- L-bracket terminal connections.
Reliable Protection for Industrial Power Electronics
Power semiconductor devices can fail within milliseconds during a short-circuit event. High speed semiconductor fuses are engineered to interrupt fault currents before excessive thermal or mechanical stress damages expensive electronic components.
The Mersen Protistor® range combines low let-through energy with excellent current-limiting performance, helping improve equipment reliability, minimise repair costs and reduce production downtime in industrial power conversion systems.
Typical Applications
- Variable frequency drives.
- Industrial inverters.
- Power converters.
- UPS systems.
- Industrial rectifiers.
- Renewable energy systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Size | 2x36 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Protistor® | |
| Model | J097459 | |
| Catalogue number | BS236UM69V325T | |
| Product type | High speed semiconductor fuse | |
| Current rating | 325 A | |
| Rated voltage | 690 V AC | |
| Operating class | aR | |
| Body size | 2 × 36 × 55 mm BS Standard | |
| Indicator | Striker | |
| Terminal type | L-bracket terminals | |
| Application | Semiconductor protection | |
| Typical protected devices | IGBTs, thyristors, diodes and rectifiers | |
| Standards | BS Standard semiconductor fuse |
Frequently Asked Questions
What is the Mersen J097459 used for?
The Mersen J097459 is a high speed semiconductor fuse designed to protect power electronic devices such as IGBTs, thyristors, rectifiers and diodes from short-circuit faults.
What is the current rating of the J097459?
The Mersen J097459 has a 325 A current rating.
What voltage is the J097459 rated for?
The fuse is rated for 690 V AC operation.
What does the aR operating class mean?
The aR operating class provides partial-range protection specifically for semiconductor devices by delivering extremely fast short-circuit interruption.
Where is the J097459 commonly installed?
It is commonly used in industrial drives, converters, UPS systems, rectifiers, inverters and renewable energy power conversion equipment.
Trusted for Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are trusted by OEMs and industrial engineers worldwide for delivering rapid fault interruption, exceptional current limitation and dependable protection for modern power electronic systems.
