Why Choose the Mersen L201720 DII Screw Cap?
The Mersen L201720 is a durable DII Diazed fuse screw cap designed to secure a compatible D fuse link within a D-system fuse base. Manufactured with a robust plastic insulating body, it provides dependable mechanical retention and supports reliable operation in low-voltage electrical distribution systems.
This screw cap features an integrated testing hole, allowing authorised technicians to perform electrical checks without completely dismantling the fuse assembly. Its lightweight plastic construction combines effective insulation with convenient handling during installation, inspection and fuse replacement.
With a rated current of 25 A and a voltage rating of 500 V AC/DC, the L201720 is designed for compatible DII Diazed fuse systems. Its standardised design makes it a practical replacement component for distribution boards, industrial switchgear and electrical control panels.
Key Advantages
- Designed for DII Diazed fuse systems.
- 25 A rated current for compatible fuse assemblies.
- 500 V AC/DC rated voltage for low-voltage installations.
- Integrated testing hole supports convenient electrical inspection.
- Lightweight plastic body provides effective electrical insulation.
- Manufactured by Mersen for dependable long-term performance.
Key Features
- Mersen D-system screw cap series.
- Catalogue number: 02071.000000.
- DII fuse size compatibility.
- 25 A rated current.
- 500 V AC and 500 V DC rated voltage.
- Plastic insulating body.
- Integrated testing hole.
- RoHS-compliant construction.
Secure Installation for DII Fuse Systems
D-system screw caps are used to hold Diazed fuse links securely within compatible fuse bases. The Mersen L201720 provides the mechanical retention required to maintain the fuse assembly while allowing straightforward access when inspection or replacement is necessary.
Its plastic insulating body supports safe handling and dependable electrical isolation, while the integrated testing hole allows technicians to check circuit conditions more efficiently. These features make the L201720 a practical accessory for established DII fuse protection systems.
Typical Applications
- Electrical distribution boards.
- Industrial switchgear assemblies.
- Commercial electrical installations.
- Machine control panels.
- Low-voltage DII fuse protection systems.
- Maintenance and refurbishment of compatible fuse bases.