The CMDB12BU Modular Distribution Terminal Block is a compact and high-performance electrical power distribution solution specially designed for industrial control panels, switchgear systems, automation panels, and electrical distribution boards where safe and organized power branching is required. This modular distribution block is engineered to distribute incoming power efficiently to multiple outgoing circuits while reducing wiring complexity and improving panel safety. Its compact body design helps save installation space and creates a cleaner, more professional electrical panel layout, making it an ideal solution for modern industrial and commercial electrical systems.
One of the key features of the CMDB12BU is its 12-way power distribution configuration, which includes 2 input terminals of 10 sq.mm and 10 output terminals of 4 sq.mm. This allows power to be distributed safely from incoming supply lines to multiple outgoing circuits in a structured manner. Instead of using multiple jumper wires and branch connections, this modular distribution block creates a centralized distribution point, helping reduce wiring clutter and simplifying maintenance inside electrical panels. The blue color housing also supports easy circuit identification in color-coded industrial panel applications.
The CMDB12BU is a modified version of conventional distribution terminal blocks and is designed without a central incoming terminal connection, making it more compact and suitable for applications where side-entry wiring and distributed connection layouts are preferred. It supports a rated voltage of 1000V, 57A input current, and 32A output current, ensuring safe and reliable current transfer in industrial power distribution applications. This makes it highly suitable for machine control systems, industrial automation panels, switchgear assemblies, PLC panels, and power distribution cabinets where stable electrical performance and safe branching are essential.
A major advantage of this modular distribution block is its pre-assembled screw clamp connection system, which provides strong conductor fastening and secure electrical contact. This helps reduce the chances of loose wiring, overheating, voltage drop, and electrical faults during long-term use. The side-entry wire orientation improves cable routing inside panels and makes installation more convenient, especially in compact electrical enclosures. Its polyamide insulated housing offers excellent electrical insulation, heat resistance, mechanical strength, and long service life, ensuring dependable operation in demanding industrial environments.
The CMDB12BU also supports DIN 32, DIN 35, and DIN 35-15 rail mounting, allowing fast and easy installation in standard industrial electrical panels. With its compact modular construction, strong electrical performance, insulated body, and organized power distribution capability, the CMDB12BU is a reliable solution for modern electrical panel builders who require safe, efficient, and professional power distribution systems.
| M4 | |
| Screw Size (Output Side) | M3 |
| Input Tightening Torque | 1.2 Nm |
| Output Tightening Torque | 0.5 Nm |
| Stripping Length | 12 mm |
| Rated Surge Voltage | 8KV |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Operating Temperature Range | -40°C to +105°C |
| Length | 48 mm |
| Width (Thickness) | 61.5 mm |
| Height with DIN 35 x 7.5 Rail | 47.8 mm |
| Applications | Control Panels, Distribution Boards, Switchgear, Automation Panels |
✅ Compact space-saving modular design
✅ Efficient 12-way power distribution
✅ Dual 10 sq.mm input connection design
✅ Supports 10 x 4 sq.mm output circuits
✅ High 57A input current carrying capacity
✅ Supports 1000V rated voltage
✅ Strong insulated polyamide housing
✅ Easy DIN rail mounting installation
✅ Secure screw clamp wire connection
✅ Side-entry wiring for easy cable management
✅ Improves electrical safety and reliability
✅ Long-lasting durable construction
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