CDB4/3R is a red 3-tier feed-through terminal block developed for advanced industrial wiring applications where compact installation, circuit separation, and efficient connection management are essential. This terminal block combines three independent connection levels in a single housing, making it an ideal solution for control panels and automation systems where DIN rail space is limited but multiple wiring points are required.
In industrial electrical assemblies, panel space optimization plays a critical role in reducing wiring complexity and improving maintenance accessibility. The CDB4/3R addresses this challenge by offering a multi-deck terminal arrangement, allowing more circuits to be connected in less space compared to conventional single-level terminal blocks. This makes it highly useful for compact switchboards, PLC systems, machine control circuits, instrumentation panels, and process automation installations.
The terminal block is equipped with a screw clamp connection mechanism, which ensures secure conductor clamping and dependable electrical continuity. This connection method provides strong mechanical holding and minimizes the risk of wire loosening under vibration or continuous industrial operation. Because of this, the product is suitable for demanding environments where reliability and long-term performance are important.
Its red housing color provides additional functional value by helping panel builders identify special circuits, warning circuits, control phases, or dedicated wiring sections. Color-coded terminal blocks improve troubleshooting speed and reduce wiring confusion during installation and servicing.
Manufactured using flame-retardant engineering-grade insulating material, the CDB4/3R provides excellent electrical insulation, heat resistance, and mechanical strength. Its rugged design makes it suitable for industrial environments where exposure to heat, vibration, and electrical load is common.
Because of its compact 3-level structure, organized wiring capability, and dependable screw connection technology, the CDB4/3R is widely used in industrial automation, machine building, OEM electrical assemblies, power control panels, and advanced electrical distribution systems.
| Parameter | Specification |
|---|---|
| Product Code | CDB4/3R |
| Product Type | 3-Level Feed Through Terminal Block |
| Color | Red |
| Connection System | Screw Clamp |
| Levels | 3 Tier |
| Rated Voltage | 800 V |
| Rated Current | 32 A |
| Conductor Size | 0.2 – 4 mm² |
| AWG Range | 24 – 10 AWG |
| Mounting Style | DIN Rail |
| Wire Entry | Side Entry |
| Housing Material | Flame Retardant Polyamide |
| Surge Voltage | 8 kV |
| Pollution Degree | 3 |
| Electrical Function | Multi-Level Feed Through |
| Installation Method | Screw Tightening |
| Application Use | Compact Panel Wiring |
CDB4/3R is widely used in:
Three wiring levels in one housing reduce DIN rail usage and help build compact electrical panels.
Red housing allows quick identification of special or critical circuits.
Screw clamp design provides strong conductor holding and reliable electrical continuity.
Supports clean and professional multi-circuit panel layouts.
Heat-resistant flame-retardant material ensures long operational life.
Organized multi-level design simplifies servicing and troubleshooting.
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