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MERSEN FUSE DV-RECTI.EINSATZ 125A 500V GR DIVGR50V125
Mersen J207054 DVGR50V125 RECTICUR DV high-speed gR semiconductor fuse link rated at 125 A, 500 V AC and 400 V DC for industrial power electronic protection.
Why Choose the Mersen J207054 RECTICUR DV Fuse Link?
The Mersen J207054, catalogue number DVGR50V125, is a high-speed 125 A gR semiconductor fuse link engineered to protect sensitive power electronic devices against overloads and short-circuit currents. Part of the trusted Mersen RECTICUR D range, it provides rapid fault interruption for industrial drives, rectifiers, converters and semiconductor power circuits.
Rated for operation at 500 V AC and 400 V DC, the J207054 is specifically designed to minimise the let-through energy reaching semiconductor devices. Its gR operating characteristic delivers full-range protection for diodes, thyristors, IGBTs and variable speed drives, helping maximise equipment reliability and reduce downtime.
Manufactured with a robust ceramic body and high-quality conductive contacts, the fuse offers excellent thermal stability, dependable performance and a long operational life. The compact DV screw-fuse format allows straightforward installation into compatible DIN D fuse holders for demanding industrial applications.
Key Advantages
- High-speed gR semiconductor protection.
- 125 A rated current for industrial power electronics.
- 500 V AC / 400 V DC voltage rating.
- Rapid fault interruption to minimise semiconductor damage.
- Robust ceramic construction for demanding industrial environments.
- Compatible with standard DV DIN D fuse holders.
Key Features
- Mersen RECTICUR D series.
- DVGR50V125 catalogue designation.
- 125 A rated current.
- 500 V AC / 400 V DC rated voltage.
- gR full-range semiconductor protection.
- High-speed fuse element.
- Ceramic insulated body.
- DIN D DV fuse format.
- Designed for power electronic equipment.
High-Speed Protection for Industrial Power Electronics
The Mersen J207054 is engineered to rapidly interrupt excessive fault currents before they can damage expensive semiconductor devices. Its specialised gR characteristic significantly limits thermal and mechanical stress on sensitive power electronic components.
This fuse is ideally suited for protecting industrial drives, rectifiers, converters and other power electronic equipment where dependable semiconductor protection is essential for system reliability and operational continuity.
Typical Applications
- Variable speed drives.
- Industrial rectifiers.
- Power converters.
- Thyristor and diode protection.
- IGBT power modules.
- Industrial automation equipment.
Technical Specifications
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| Current | 125 A | |
|---|---|---|
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | Semiconductor | |
| Fuse Class | gR | |
| Manufacturer | Mersen | |
| Series | RECTICUR D | |
| Model | J207054 | |
| Catalogue number | DVGR50V125 | |
| Product type | High-speed semiconductor fuse link | |
| Fuse system | DIN D screw fuse system | |
| Fuse size | DV | |
| Operating characteristic | gR | |
| Rated current | 125 A | |
| Rated voltage AC | 500 V AC | |
| Rated voltage DC | 400 V DC | |
| Body material | Ceramic | |
| Mounting type | Screw-in DIN D fuse | |
| Typical applications | Semiconductor protection | |
| EAN | 4086500003181 |
Frequently Asked Questions
What is the Mersen J207054 used for?
The Mersen J207054 protects semiconductor devices including rectifiers, thyristors, diodes, IGBTs and industrial motor drives against overloads and short-circuit currents.
What is the current rating of the J207054 fuse?
The J207054 has a rated current of 125 A.
What voltage is the Mersen J207054 rated for?
The fuse is rated for operation at up to 500 V AC and 400 V DC.
What does the gR characteristic mean?
The gR designation identifies a high-speed, full-range semiconductor fuse designed to protect sensitive power electronic devices against both overload and short-circuit currents.
Which fuse holder is compatible with the J207054?
The J207054 is a DV DIN D fuse link designed for installation in compatible DV screw-type fuse bases and holders.
Trusted Semiconductor Protection from Mersen
Mersen RECTICUR semiconductor fuse links are trusted by machine builders, panel manufacturers and industrial automation engineers for dependable protection of high-value power electronic equipment.
