Description
D Type Screw Fuse Links are designed for low-voltage electrical circuit protection, providing reliable protection against overload and short-circuit faults. Featuring a ceramic fuse body and screw-type contact construction, these fuse links are suitable for electrical distribution systems and industrial installations.
The series includes three main sizes: DI, DII and DIII, covering different rated current requirements from 2A to 63A. Each size is designed with specific dimensional configurations to accommodate different fuse applications.
These fuse links are suitable for AC 50Hz electrical systems and are used in distribution equipment, electrical control panels and industrial power protection applications.
CWNE supplies D Type screw fuse links for electrical distributors, panel builders, equipment manufacturers and industrial buyers.
Key Features
- Three Size Options: Available in DI, DII and DIII configurations for different installation requirements.
- Wide Current Range: Rated current options from 2A to 63A.
- Ceramic Fuse Body: Designed for electrical insulation and arc containment.
- Screw-Type Connection: Provides a secure contact structure for compatible fuse bases.
- Overload and Short-Circuit Protection: Suitable for low-voltage electrical distribution and protection systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | D Type Screw Fuse Links |
| Available Sizes | DI, DII, DIII |
| Rated Voltage | 400/500V |
| Frequency | 50Hz |
| Rated Current | 2A–63A |
| Fuse Body Material | Ceramic |
| Product Structure | Screw-Type Fuse Link |
| Application | Overload and Short-Circuit Protection |
Dimension Figure
Model and Dimensional Specifications
| Size | Reference Model | Rated Current | A (mm) | ØD1 (mm) | ØD2 (mm) | ØD3 (mm) |
|---|---|---|---|---|---|---|
| DI | R024 / E16 / 5SA | 2–6A | 50 | 12.5 | 11.3 | 6 |
| DI | R024 / E16 / 5SA | 10A | 50 | 12.5 | 11.3 | 8 |
| DI | R024 / E16 / 5SA | 16A | 50 | 12.5 | 11.3 | 10 |
| DI | R024 / E16 / 5SA | 20–25A | 50 | 12.5 | 11.3 | 12 |
| DII | R021 / 5SB E27 / RL6-25 | 2–6A | 50 | 22 | 13 | 6 |
| DII | R021 / 5SB E27 / RL6-25 | 8–10A | 50 | 22 | 13 | 8 |
| DII | R021 / 5SB E27 / RL6-25 | 13A | 50 | 22 | 15 | 8 |
| DII | R021 / 5SB E27 / RL6-25 | 16A | 50 | 22 | 15 | 10 |
| DII | R021 / 5SB E27 / RL6-25 | 20A | 50 | 22 | 15 | 12 |
| DII | R021 / 5SB E27 / RL6-25 | 25A | 50 | 22 | 15 | 14 |
| DIII | R022 / 5SB E33 / RL6-63 | 30–40A | 50 | 27 | 20 | 16 |
| DIII | R022 / 5SB E33 / RL6-63 | 50A | 50 | 27 | 20 | 18 |
| DIII | R022 / 5SB E33 / RL6-63 | 63A | 50 | 27 | 20 | 20 |
Note: Reference model designations and dimensional values are based on the supplied technical data. Confirm the exact fuse-base compatibility before ordering.
Applications
- Low-voltage electrical distribution systems
- Industrial control cabinets
- Electrical distribution boards
- Overload and short-circuit protection circuits
- Industrial machinery and electrical equipment
Why Choose CWNE?
CWNE supplies low-voltage fuse links and electrical protection components for industrial and commercial applications.
- Multiple fuse sizes and current ratings.
- Technical specifications for model selection.
- Bulk supply support for electrical distributors and OEM manufacturers.
- Professional assistance with product sourcing and quotations.
FAQ
What sizes are available for D Type screw fuse links?
The series includes DI, DII and DIII sizes, designed for different fuse installation requirements.
What is the rated voltage of these fuse links?
The supplied technical specifications list rated voltage options of 400V and 500V.
What current ratings are available?
Available rated current options range from 2A to 63A, depending on the fuse size and model.
What is the difference between DI, DII and DIII fuse links?
The main differences are their physical dimensions, screw contact sizes and rated current ranges. DI supports up to 25A, DII up to 25A, and DIII up to 63A.
Can these fuse links protect against overload and short circuits?
Yes. They are designed for overload and short-circuit protection in compatible low-voltage electrical systems.
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