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Mersen Y218153 DIII Diazed gR semiconductor fuse-link with 63 A rating, 500 V AC and 440 V DC operation for high-speed protection of power electronic equipment.
The Mersen Y218153 (DIIIGR50V63) is a premium DIII Diazed gR semiconductor fuse-link engineered to provide ultra-fast protection for sensitive semiconductor devices and power electronic equipment. Manufactured by Mersen, a global leader in electrical protection solutions, this fuse rapidly clears fault currents to minimise damage to valuable power electronics while ensuring maximum system reliability.
Featuring a 63 A current rating, 500 V AC / 440 V DC operating voltage and a DIII screw fuse format with E33 thread, the Y218153 is ideally suited for protecting variable speed drives, rectifiers, thyristors, UPS systems, converters and industrial power electronic equipment. Its gR operating characteristic provides full-range semiconductor protection with exceptionally fast fault interruption.
Manufactured with a durable ceramic body and offering a 50 kA breaking capacity, the Y218153 delivers dependable protection in demanding industrial environments. Built to recognised IEC, DIN and VDE standards, it provides long service life and consistent electrical performance.
Unlike standard general-purpose fuse-links, gR semiconductor fuses are engineered to interrupt fault currents extremely quickly, limiting the energy reaching sensitive semiconductor devices. This helps reduce equipment damage, minimise downtime and improve the reliability of industrial automation and power conversion systems.
The Mersen Y218153 is ideally suited for protecting AC/DC motor drives, industrial inverters, converters, rectifiers, UPS systems and other semiconductor-based electrical equipment where ultra-fast fault protection is essential.
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| Current | 63 A | |
|---|---|---|
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Size | DIII | |
| Fuse Class | gR | |
| Manufacturer | Mersen | |
| Model | Y218153 | |
| Product type | Diazed semiconductor fuse-link | |
| Fuse size | DIII | |
| Thread size | E33 | |
| Operating class | gR | |
| Rated current | 63 A | |
| Rated voltage | 500 V AC | |
| Rated DC voltage | 440 V DC | |
| Breaking capacity | 50 kA | |
| Body material | Ceramic | |
| Minimum operating temperature | -40°C | |
| Standards | IEC 60269-4, DIN EN 60269-4 (VDE 0636-4), DIN VDE 0636-3 |
The Y218153 provides ultra-fast protection for semiconductor devices and power electronic equipment against short-circuit faults.
This fuse has a 63 A rated current.
The fuse is rated for operation up to 500 V AC and 440 V DC.
gR denotes a full-range semiconductor fuse designed to provide ultra-fast protection for power electronic devices.
It is commonly installed in industrial drives, converters, rectifiers, UPS systems and other semiconductor-based electrical equipment.
Mersen semiconductor fuse-links are trusted worldwide by OEMs, panel builders and industrial engineers to protect valuable power electronic equipment in demanding industrial applications.
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