DDFL4U1A is a double level fuse terminal block designed for secure electrical connection, circuit protection, and organized panel wiring in industrial applications. It combines the functions of a terminal block and fuse protection unit in one compact design, making it ideal for applications where safe electrical connection and overload protection are required in the same component.
The integrated fuse system helps protect connected circuits from overcurrent and short circuit conditions, improving system safety and preventing damage to sensitive electrical equipment. Its double level compact construction allows more wiring connections in less panel space, making it highly suitable for control panels, PLC systems, instrumentation circuits, automation panels, machine wiring, switchgear assemblies, and industrial electrical installations.
DDFL4U1A uses a secure screw clamp connection mechanism, which provides reliable conductor retention, stable current transfer, and long-term electrical performance. Its DIN rail mountable compact design helps improve panel organization, reduce wiring clutter, and simplify maintenance operations.
DDFL4U1A is used in electrical systems where wire connection and circuit protection are required together in one compact terminal block. It protects electrical circuits from overload conditions while providing safe and organized wiring in industrial panels.
✔ Provides fuse protection for sensitive circuits
✔ Combines connection and protection in one unit
✔ Saves panel space with double level design
✔ Improves wiring organization
✔ Reduces equipment damage risk
✔ Supports safe industrial electrical systems
DDFL4U1A works by combining a screw clamp terminal connection with an integrated fuse holder. Conductors are connected securely through screw clamp terminals, while the fuse installed inside the terminal protects the circuit against overcurrent.
When current exceeds the fuse rating, the fuse interrupts the circuit automatically, preventing damage to connected devices. The double level design allows multiple wiring points in a compact terminal structure, improving wiring density and panel efficiency.
⭐ Double Level Fuse Terminal Block Design
⭐ Integrated Fuse Protection System
⭐ Compact Space Saving Construction
⭐ Secure Screw Clamp Wire Connection
⭐ DIN Rail Mountable Design
⭐ Easy Fuse Replacement
⭐ Circuit Isolation Capability
⭐ Reliable Electrical Continuity
⭐ Low Contact Resistance
⭐ Industrial Grade Insulation Housing
DDFL4U1A improves electrical safety by combining wire termination and circuit protection in one unit. The integrated fuse protects circuits against overload and short circuit faults, reducing the chances of damage to electrical equipment.
🔹 Overcurrent circuit protection
🔹 Improves equipment safety
🔹 Reduces electrical fault risk
🔹 Secure wire locking system
🔹 Easy fault identification
🔹 Safer maintenance and servicing
The built-in fuse system in DDFL4U1A provides quick circuit interruption during overload conditions.
✔ Protects sensitive control circuits
✔ Prevents equipment damage
✔ Reduces maintenance cost
✔ Quick fuse replacement support
✔ Improves system reliability
✔ Enhances electrical safety
DDFL4U1A is manufactured using high-strength engineering-grade insulated housing for industrial applications. Its robust construction provides excellent mechanical durability, electrical insulation, and heat resistance for long service life.
✅ Durable industrial-grade housing
✅ Strong screw clamp mechanism
✅ Reliable fuse holder design
✅ Heat resistant insulation material
✅ Compact DIN rail mountable body
✅ Long service life performance
The double level compact design of DDFL4U1A helps improve panel wiring by allowing more connections in less space.
✔ Saves panel space
✔ Reduces wiring clutter
✔ Improves cable management
✔ Supports organized panel design
✔ Faster troubleshooting
✔ Easy maintenance and fuse replacement
✔ Professional panel layout
| Parameter | Specification |
|---|---|
| Product Code | DDFL4U1A |
| Product Type | Double Level Fuse Terminal Block |
| Function Type | Fused Disconnect Terminal Block |
| Terminal Design | Double Level Construction |
| Connection Technology | Screw Clamp Connection |
| Fuse Type | 5 x 20 mm Fuse |
| Fuse Rating | 1 Amp |
| Wire Entry Orientation | Side Entry |
| Operation Method | Screwdriver Operated |
| Mounting Type | DIN Rail Mounting |
| DIN Rail Compatibility | DIN 32 / DIN 35 / DIN 35-15 |
| Housing Material | Polyamide (PA) |
| Housing Colour | Grey |
| Pollution Degree | 3 |
| Parameter | Specification |
|---|---|
| Rated Voltage (IEC) | 800 V |
| Rated Current | 6.3 A |
| Rated Surge Voltage | 5 kV |
| Fuse Protection | Integrated Fuse Protection |
| Circuit Isolation | Yes |
| Contact Resistance | Low Resistance Contact System |
| Parameter | Specification |
|---|---|
| Conductor Size (Stranded) | 0.2 mm² – 4 mm² |
| Conductor Size (Solid) | 0.2 mm² – 6 mm² |
| AWG Range | 24 AWG – 10 AWG |
| Wire Stripping Length | 10 mm |
| Screw Size | M3 |
| Tightening Torque | 0.5 Nm |
| Parameter | Specification |
|---|---|
| Width / Thickness | 8 mm |
| Height | 49 mm |
| Length | 88 mm |
| Construction Type | Double Level Compact Design |
| Mechanical Strength | Industrial Grade Durable Construction |
| Secure Wire Retention | Yes |
| Parameter | Specification |
|---|---|
| Integrated Fuse Protection | Yes |
| Double Level Wiring | Yes |
| Circuit Isolation Capability | Yes |
| Space Saving Design | Yes |
| Maintenance Support | Easy Fuse Replacement |
| Panel Wiring Optimization | Yes |
| Secure Screw Clamp Connection | Yes |
| Application Area | Suitability |
|---|---|
| Control Panels | Yes |
| PLC Systems | Yes |
| Automation Panels | Yes |
| Switchgear Assemblies | Yes |
| Signal Protection Circuits | Yes |
| Machine Wiring Systems | Yes |
| Instrumentation Panels | Yes |
| Industrial Electrical Equipment | Yes |
No reviews yet.