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MERSEN FUSE DII-SCHRAUB-PASSEINSATZ 4A 01657.004000
Mersen D219722 DII screw gauge piece rated at 4 A with brown identification, designed to ensure correct fuse selection in compatible Diazed fuse bases.
£0.654
Why Choose the Mersen D219722 DII Screw Gauge Piece?
The Mersen D219722 is a precision-engineered DII screw gauge piece designed for use in Diazed fuse systems. As part of the dependable Mersen D-system ring adapter, fittings and touch protection range, it ensures that only the correct 4 A DII fuse link can be installed in a compatible fuse base.
This gauge insert provides mechanical coding within the fuse base, helping prevent the installation of an incorrectly rated fuse link. By supporting correct fuse selection, the D219722 helps preserve the intended overcurrent protection of electrical circuits in commercial and industrial installations.
With a 4 A current rating, DII fuse size compatibility and a standard brown identification colour, the Mersen D219722 is easy to recognise during installation and maintenance. Its compact, lightweight construction makes it suitable for distribution boards, switchgear and electrical control equipment using D-system fuse protection.
Key Advantages
- Designed for DII Diazed fuse systems.
- 4 A rated gauge insert supports correct fuse selection.
- Brown identification colour enables quick visual recognition.
- Helps prevent installation of incorrectly rated fuse links.
- Supports safe and reliable overcurrent protection.
- Manufactured by Mersen for dependable long-term performance.
Key Features
- Mersen D-system ring adapter and fittings series.
- Catalogue number: 01657.004000.
- 4 A rated current.
- DII fuse size compatibility.
- Brown current identification colour.
- Mechanical coding for compatible D fuse bases.
- RoHS-compliant construction.
- Compact cartridge ring adapter insert design.
Reliable Protection Through Correct Fuse Selection
Screw gauge pieces are important safety components within Diazed fuse systems. They mechanically restrict the size of fuse link that can be installed in the fuse base, helping prevent a higher-rated fuse from being fitted to a circuit that requires lower overcurrent protection.
The Mersen D219722 is specifically coded for 4 A DII fuse links. Its standardised design and brown identification colour make it a practical replacement component for maintaining compatible distribution boards, industrial switchgear and electrical control panels.
Typical Applications
- Electrical distribution boards.
- Industrial switchgear assemblies.
- Commercial electrical installations.
- Machine control panels.
- DII Diazed fuse systems.
- Maintenance and refurbishment of compatible fuse bases.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 4 A | |
|---|---|---|
| Device Type | Accessory | |
| Fuse Type | D / D0 (Neozed/Diazed) | |
| Fuse Size | DII | |
| Manufacturer | Mersen | |
| Series | D-system Ring Adapter / Fittings / Touch Protection | |
| Model | D219722 | |
| Catalogue number | 01657.004000 | |
| Product type | D screw gauge piece | |
| Rated current | 4 A | |
| Fuse size | DII | |
| Identification colour | Brown | |
| Product group | Cartridge ring adapter inserts / gauge rings | |
| Application | D fuse base gauge insert | |
| EAN / UPC | 4086500008957 | |
| Product weight | approx. 0.0121 kg | |
| Sell pack quantity | 25 | |
| RoHS compliant | Yes | |
| HS Code | 85389099 |
Frequently Asked Questions
What is the Mersen D219722 used for?
The D219722 is a DII screw gauge piece used to ensure that only a correctly rated 4 A Diazed fuse can be installed in a compatible fuse base.
What current rating is the D219722 designed for?
The Mersen D219722 is designed for 4 A fuse applications.
What does the brown identification colour indicate?
The brown colour identifies the gauge piece as a component intended for a 4 A DII fuse link.
Which fuse size is compatible with this gauge piece?
This model is designed specifically for DII Diazed fuse systems.
Why is a screw gauge piece important?
It helps prevent an incorrectly rated fuse link from being installed, supporting safe and reliable overcurrent protection for the circuit.
Trusted by Electrical Professionals Worldwide
Mersen D-system accessories are trusted by electricians, panel builders and maintenance engineers for dependable compatibility, correct fuse selection and reliable performance in low-voltage electrical protection systems.
