DDFL4UE220VW/F Double Level Fuse Terminal Block with LED Indication is used in industrial electrical and control circuits where wire connection, fuse protection, and visual fault indication are required in one compact terminal block. It helps protect sensitive control circuits, instrumentation loops, relay circuits, and automation systems from overload and short circuit conditions while allowing maintenance engineers to quickly identify fuse failure through built-in LED indication. This makes it ideal for industrial control panels, signal protection circuits, and electrical safety applications.
DDFL4UE220VW/F works as a double level fuse terminal block with an integrated fuse carrier and LED fault indication circuit. When the fuse is healthy, the circuit operates normally. In case of fuse failure, the LED indication provides quick visual identification, helping maintenance teams locate faults faster. The unit accepts 5 x 20 mm cartridge glass fuse and provides safe circuit protection in compact DIN rail mounted installations. The W/F version includes warning flag indication, adding better visual safety monitoring during operation.
The built-in LED indication and warning flag system improves safety by providing immediate visual indication of fuse failure. This helps maintenance engineers identify circuit faults quickly, reducing troubleshooting time and panel downtime. The double level design also improves circuit organization and helps create safer, more structured electrical protection systems inside industrial control panels.
DDFL4UE220VW/F is manufactured using high-quality Polyamide insulated housing that offers excellent insulation strength, flame resistance, and mechanical durability. Its M3 screw clamp system ensures secure wire holding and low contact resistance, while the industrial-grade conductive components provide reliable electrical continuity and long service life in demanding industrial environments.
Using DDFL4UE220VW/F improves panel wiring by integrating wire connection + fuse protection + LED fault indication + warning flag in one compact terminal block. This reduces the need for separate fuse holders and fault indication devices, saving panel space, improving wiring organization, and simplifying maintenance work inside industrial electrical systems.
| Specification | Details |
|---|---|
| Model Number | DDFL4UE220VW/F |
| Product Type | Double Level Fuse Terminal Block with LED & Warning Flag |
| Connection Type | Screw Clamp |
| Product Function | Fuse Protection with LED Fault Indication |
| Number of Levels | 2 Level |
| Rated Voltage (IEC) | 800 V |
| Rated Current | 6.3 A |
| Indication Voltage | 220 V |
| Fuse Type | Cartridge Glass Fuse |
| Fuse Size | 5 x 20 mm |
| Conductor Size Solid | 0.2 – 6 mm² |
| Conductor Size Stranded | 0.2 – 4 mm² |
| Twin Ferrule Capacity | 0.2 – 2.5 mm² |
| AWG Range | 22 – 10 AWG |
| Tightening Torque | 0.5 Nm |
| Screw Size | M3 |
| Wire Entry Orientation | Side Entry |
| Operation Type | Screwdriver Operated |
| Housing Material | Polyamide |
| Rated Surge Voltage | 5 kV |
| Pollution Degree | 3 |
| Width (Thickness) | 8 mm |
| Length | 88 mm |
| Height | 67.4 mm |
| Mounting Type | DIN 32 / DIN 35 / DIN 35-15 Rail |
| Colour | Grey |
DDFL4UE220VW/F is widely used in:
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