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MERSEN FUSE DII-RECTI.EINSATZ 10A 500V GR DIIGR50V10
Mersen M214578 DII gR high speed Diazed fuse link rated at 10 A and 500 V AC for semiconductor and power electronic protection.
Why Choose the Mersen M214578 DII gR High Speed Fuse Link?
The Mersen M214578 is a high speed DII Diazed fuse link specifically designed to provide superior protection for power semiconductors and sensitive electronic equipment. Featuring a 10 A current rating, 500 V AC operating voltage and a gR utilisation category, it delivers exceptionally rapid fault interruption to minimise damage caused by short circuits and high fault currents.
Manufactured as part of Mersen's proven high speed Diazed fuse range, the M214578 combines the familiar DII screw-fuse format with semiconductor-grade protection. Its ceramic body, current limiting performance and high breaking capacity make it ideal for protecting drives, rectifiers, converters, UPS systems and industrial power electronics.
Designed for installation in standard DII (E27) fuse bases, the M214578 offers dependable protection for industrial control panels, automation systems and electrical equipment where rapid fuse operation is essential for safeguarding expensive semiconductor devices.
Key Advantages
- High speed gR semiconductor fuse link.
- 10 A rated current for sensitive electronic equipment.
- 500 V AC operating voltage.
- Rapid fault interruption reduces semiconductor damage.
- Current limiting design minimises let-through energy.
- Compatible with standard DII (E27) Diazed fuse systems.
Key Features
- Mersen high speed Diazed fuse series.
- Manufacturer part number: M214578.
- 10 A nominal current rating.
- 500 V AC rated voltage.
- DII fuse size.
- E27 thread size.
- gR semiconductor protection characteristic.
- 50 kA breaking capacity.
Reliable Protection for Power Electronics
High speed gR fuse links are specifically engineered to protect semiconductor devices from destructive fault currents. Their extremely fast operation limits thermal and mechanical stress, helping extend the service life of rectifiers, thyristors, IGBTs and other power electronic components.
The Mersen M214578 is ideally suited to industrial automation systems, variable speed drives, UPS equipment, converters and power supplies where dependable semiconductor protection is essential for maintaining system reliability.
Typical Applications
- Variable speed drives.
- Power semiconductor protection.
- Rectifiers and converters.
- Industrial control panels.
- UPS systems.
- Automation equipment.
- Power supplies.
- Electrical switchgear.
Technical Specifications
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| Current | 10 A | |
|---|---|---|
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Size | DII | |
| Fuse Class | gR | |
| Manufacturer | Mersen | |
| Manufacturer part number | M214578 | |
| Product type | High speed Diazed fuse link | |
| Fuse size | DII | |
| Thread size | E27 | |
| Rated current | 10 A | |
| Rated voltage AC | 500 V | |
| Utilisation category | gR | |
| Breaking capacity | 50 kA at 500 V AC | |
| Minimum operating temperature | -40°C | |
| Body material | Ceramic | |
| Standards | VDE 0636, DIN 49360 / DIN 49515 | |
| Mounting type | Diazed fuse holder |
Frequently Asked Questions
What is the Mersen M214578 used for?
The Mersen M214578 is designed to protect semiconductor devices and power electronic equipment against short circuits and high fault currents.
What is the current rating of this fuse?
This high speed fuse has a 10 A current rating.
What fuse size is the M214578?
The M214578 is manufactured in the standard DII Diazed format with an E27 thread size.
What does the gR characteristic mean?
The gR utilisation category provides full-range high speed protection specifically for semiconductor devices and other sensitive power electronic equipment.
What equipment is this fuse commonly used in?
It is commonly installed in drives, converters, UPS systems, rectifiers and industrial automation equipment containing power semiconductors.
Trusted by Industrial Engineers Worldwide
Mersen high speed semiconductor fuses are trusted worldwide by OEMs, panel builders and automation engineers for dependable protection of critical power electronic equipment.
