DIN Rail 4-Way RJ45 To Terminal Block Breakout Board
PCM Cable Co., Ltd. is one of the leading din rail 4-way rj45 to terminal block breakout board manufacturers and suppliers in China. Welcome to wholesale high quality customized products at discount price from our factory. Contact us for quotation and free sample.
The PCM-KP-0008 is a purpose-designed 4-port RJ45 experimental interface module that allows engineers to build and test bus-style serial circuits, daisy-chain Ethernet paths, and modular cable–based prototypes with ease.
All four shielded RJ45 connectors are parallel-wired, forming a compact hub suitable for bridging, tapping, or expanding communication lines in development environments.
The integrated bus board + breakout board layout reduces wiring clutter and offers a clean structure for troubleshooting and iterative testing.
Made directly in our factory, this DIN-mounted module offers consistent build quality and is ideal for R&D labs, field engineering benches, or on-machine testing.

Specification
| Product Name |
RJ45 8P8C DIN Rail Mount Ethernet Connector Distribution Breakout Board, Four-Way Parallel Connection RJ45 Vertical Jack Terminal Block Connector |
| DWG No. | PCM-KP-0008 |
| RJ45 Ports | 4 × Shielded RJ45, parallel-wired |
| Terminal Block | Screw terminals for all 8 lines + shield |
| Wiring Pitch | 3.81mm |
| Wire Range | 18–26AWG |
| Housing | KPRH72mm, green |
| Installation | 35mm DIN Rail |
| Structure | Integrated bus board + breakout board |
| Use Case | Prototyping, daisy-chain wiring, signal tapping |
| Customization | Pinouts, labeling, colors, OEM available |

Design Highlights
Integrated Bus + Breakout Architecture
Instead of separating distribution and termination, the PCM-KP-0008 places both functions onto one module. This allows real-time measurement, injection, or modification of any line during testing.
Suitable for Daisy-Chain Networking
The four parallel-wired RJ45 ports allow fast creation of Daisy-Chain topologies commonly used in:
- Serial communication buses
- Multi-node device chains
- Machine-to-machine expansion links
Full Screw Terminal Accessibility
Every one of the 8 signal lines + shield is available through screw terminals, enabling:
- Quick signal tapping
- Line redirection
- Probing and debugging
- Rapid prototyping of alternative pinouts
Ready for Panel or Lab Use
Mounted on a 35mm DIN rail, the module fits neatly into both industrial cabinets and engineering workbenches.

Practical Engineering Use Cases
- Building/modifying prototype circuits using modular RJ45 cables
- Rapid testing of multi-device communication loops
- Creating temporary distributed networks during equipment debugging
- Measuring or injecting signals directly into individual RJ45 lines
- Prototyping RS485/RS422/serial-based systems that use RJ45 pinouts
- Training or lab environments involving Ethernet-style wiring experiments

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