CMDB25/4Y Modular Distribution Terminal Block is used for safe and organized electrical power distribution in industrial control panels, switchgear systems, automation cabinets, and power distribution applications. It allows one incoming power source to be distributed to multiple outgoing circuits (8 outputs), reducing complex wiring and improving panel organization. The Yellow colour housing is especially useful for phase identification, circuit coding, and structured power distribution systems in industrial electrical panels.
CMDB25/4Y works as a 25 sq.mm modular distribution block with 1 input and 8 output connection points. The incoming power is connected to the input side, and power is distributed safely to the remaining output terminals through an internal conductive current bar. Its screw clamp connection system ensures secure conductor holding, low contact resistance, and reliable electrical continuity. This compact DIN rail mounted design improves structured power distribution in industrial applications.
The Yellow colour housing helps improve circuit identification in industrial electrical systems by supporting structured phase coding and circuit separation. It makes maintenance and troubleshooting easier while reducing wiring confusion. The insulated modular design also improves operator safety by reducing accidental contact with live conductors and creating a secure distribution point inside electrical panels.
CMDB25/4Y is manufactured using high-grade Polyamide insulated housing that provides strong mechanical durability, flame resistance, and excellent electrical insulation performance. Its M5 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 CMDB25/4Y 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 | CMDB25/4Y |
| Product Type | Modular Distribution Terminal Block |
| Series | CMDB25 |
| Connection Type | Screw Clamp |
| Number of Outputs | 8 Outputs |
| Input Connections | 1 |
| Colour | Yellow |
| Rated Voltage (IEC) | 800 V |
| Rated Voltage (UL/CSA) | 600 V |
| Rated Current (IEC) | 101 A |
| Rated Current (UL/CSA) | 85 A |
| Conductor Size Input Side | 6 – 25 mm² |
| Conductor Size Output Side | 6 – 25 mm² |
| AWG Range | 12 – 4 AWG |
| Tightening Torque | 2 Nm |
| Screw Size | M5 |
| Wire Entry Orientation | Side Entry |
| Housing Material | Polyamide |
| Rated Surge Voltage | 8 kV |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Length | 49 mm |
| Width (Thickness) | 63 mm |
| Height (DIN 35 x 7.5 Rail) | 57.2 mm |
| Height (DIN 35 x 15 Rail) | 64.7 mm |
| Height (DIN 32 Rail) | 62.3 mm |
| Mounting Type | DIN 32 / DIN 35 / DIN 35-15 Rail |
| Operation Type | Screwdriver Operated |
| Operating Temperature | -40°C to +105°C |
| Standard Pack | 10 Nos |
CMDB25/4Y is widely used in:
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