CMDB12R is a premium 10 sq.mm modular distribution terminal block designed for safe, organized, and efficient electrical power distribution in industrial control panels, switchgear assemblies, machine wiring systems, and automation installations. The red housing supports clear circuit identification and structured panel organization, making it suitable for installations where visual separation and efficient conductor management are important. CMDB series distribution blocks are designed as a compact distribution solution without a central incoming terminal arrangement, allowing flexible wiring architecture and efficient space utilization.
Modern electrical panels often require multiple outgoing circuits to be supplied from a common power source while maintaining clean wiring practices and reducing panel congestion. CMDB12R simplifies this process by integrating multiple connection points into a single modular block, reducing installation effort and minimizing the need for additional jumper wiring or separate distribution assemblies.
This distribution terminal block supports 10 sq.mm input conductor capacity with multiple 4 sq.mm output connections, making it suitable for structured current distribution across industrial and commercial electrical applications. The internal distribution arrangement allows technicians to create cleaner panel layouts while improving installation efficiency and service accessibility.
CMDB12R uses a screw clamp connection system to provide stable conductor retention and dependable electrical continuity. Screw clamp technology remains one of the most widely used connection methods in industrial environments because it delivers secure conductor termination and consistent current transmission over extended operating periods. Installation is completed using standard screwdrivers, reducing installation complexity and improving field serviceability.
Designed with side-entry conductor orientation, the block allows convenient cable routing and easier access during installation and maintenance procedures. This conductor entry layout helps reduce cable bending and supports neat wire management inside compact electrical enclosures. Side-entry access is particularly beneficial in high-density control cabinets and industrial panel installations.
The block is engineered for DIN rail mounting compatibility, supporting DIN 32, DIN 35, and DIN 35-15 mounting rails. DIN rail compatibility enables faster assembly, easier replacement, and future expansion without requiring major changes to the existing installation. This makes CMDB12R highly suitable for modular electrical systems and evolving industrial infrastructure.
Manufactured using industrial-grade polyamide housing, CMDB12R provides excellent insulation performance together with strong mechanical stability. Polyamide material offers resistance to industrial operating conditions including vibration, thermal variation, and continuous electrical loading. The housing maintains dimensional stability and contributes to long-term electrical reliability.
With a rated voltage of 1000V, 57A input current rating, and 32A output current rating, this modular distribution block supports dependable electrical performance across industrial distribution applications. These ratings are specified for copper conductor use and make the terminal block suitable for organized electrical branching and current management.
CMDB12R supports a wide range of conductor sizes, allowing flexibility across different installation standards. The input side supports conductors from 1.5 sq.mm to 10 sq.mm, while output connections support conductor sizes from 0.2 sq.mm to 4 sq.mm, enabling broad compatibility across industrial wiring requirements.
Its compact dimensions allow panel builders to maximize enclosure capacity while maintaining accessibility and organized cable routing. By integrating multiple distribution points into one structured module, CMDB12R reduces wiring clutter and supports professional panel construction standards.
The red housing version is commonly selected where panel designers use color coding for improved identification, power separation, or enhanced maintenance visibility. Color-based conductor management supports faster diagnostics and reduces the possibility of wiring errors during servicing operations.
CMDB12R is widely used in industrial control panels, electrical distribution boards, automation systems, PLC cabinets, machine wiring, OEM equipment manufacturing, switchgear assemblies, and industrial power management systems where dependable current distribution and organized panel layouts are essential.
| Specification | Details |
|---|---|
| Product Code | CMDB12R |
| Product Type | Modular Distribution Terminal Block |
| Connection Technology | Screw Clamp |
| Terminal Function | Power Distribution |
| Rated Voltage | 1000 V |
| Rated Current – Input | 57 A |
| Rated Current – Output | 32 A |
| Housing Material | Polyamide |
| Housing Color | Red |
| Wire Entry Orientation | Side Entry |
| Mounting Type | DIN 32 / DIN 35 / DIN 35-15 Rail |
| Screw Size | M4 (Input), M3 (Output) |
| Tightening Torque – Input | 1.2 Nm |
| Tightening Torque – Output | 0.5 Nm |
| Rated Surge Voltage | 8 kV |
| Pollution Degree | 3 |
| Input Conductor Range | 1.5–10 sq.mm |
| Output Conductor Range | 0.2–4 sq.mm |
| Length | 80.9 mm |
| Width | 42.5 mm |
| Number of Outputs | 20 |
Technical specifications compiled from published technical references.
CMDB12R is suitable for:
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