CMDB4/10BU Modular Distribution Terminal Block is used for safe and organized electrical power distribution in industrial control panels, switchgear systems, automation cabinets, and electrical distribution applications. It allows one incoming power source to be distributed across multiple outgoing terminal points, reducing complex jumper wiring and creating a compact, structured power distribution system. The Blue colour housing helps in neutral line identification and improves visual wiring organization in industrial electrical panels.
CMDB4/10BU works as a 4 sq.mm modular distribution block with 20 output connections (10 each side) that allows one electrical input to distribute power safely to multiple outgoing circuits. The internal conductive current bar ensures reliable electrical continuity between all connected terminals, while the screw clamp connection system provides strong conductor holding and low contact resistance. This design improves power distribution efficiency, reduces wiring complexity, and creates a safer electrical distribution point in industrial panels.
The Blue colour housing helps improve neutral line and circuit identification in industrial electrical systems. It makes circuit recognition easier during installation, maintenance, and troubleshooting. The insulated modular design also improves operator safety by reducing accidental contact with live conductors and creating a secure distribution point inside electrical panels.
CMDB4/10BU is manufactured using high-grade Polyamide insulated housing that provides strong mechanical durability, flame resistance, and excellent electrical insulation performance. Its M3 screw clamp connection system ensures secure wire holding and vibration-resistant performance, while the internal conductive current bar provides efficient low resistance current transfer for industrial electrical applications.
Using CMDB4/10BU improves panel wiring by replacing multiple separate jumper wire arrangements with one compact modular distribution block. This reduces panel clutter, saves installation time, improves maintenance access, and creates a cleaner and more professional electrical panel layout. DIN rail mounting also helps optimize panel space in industrial power distribution systems.
| Specification | Details |
|---|---|
| Model Number | CMDB4/10BU |
| Product Type | Modular Distribution Terminal Block |
| Series | CMDB4 |
| Connection Type | Screw Clamp |
| Number of Outputs | 20 Outputs |
| Input Connections | 1 |
| Colour | Blue |
| Rated Voltage (IEC) | 1000 V |
| Rated Voltage (UL/CSA) | 600 V |
| Rated Current (IEC) | 32 A |
| Rated Current (UL/CSA) | 30 A |
| Conductor Size | 0.2 – 4 mm² |
| AWG Range | 22 – 10 AWG |
| Tightening Torque | 0.5 Nm |
| Screw Size | M3 |
| Wire Entry Orientation | Side Entry |
| Housing Material | Polyamide |
| Rated Surge Voltage | 8 kV |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Length | 43 mm |
| Mounting Type | DIN 32 / DIN 35 / DIN 35-15 Rail |
| Operation Type | Screwdriver Operated |
| Operating Temperature | -40°C to +105°C |
CMDB4/10BU is widely used in:
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