



Compact Power Distribution Backbone for Industrial Control Cabinets
The Honeywell 51403896-100 Horizontal DC Power Bus Bar is an industrial-grade power distribution component designed for Honeywell TDC 3000 control systems. It provides a structured and efficient method for distributing 24V DC power across multiple control modules within a cabinet, ensuring stable operation and reducing wiring complexity.
Engineered with high-conductivity materials, this bus bar supports reliable power delivery to vertical circuit card assemblies (CCAs), making it a key element in maintaining organized and scalable control system architecture.
Technical Specifications
| Parameter | Specification |
|---|
| Part Number | 51403896-100 |
| Product Type | Horizontal DC Power Bus Bar |
| System Compatibility | Honeywell TDC 3000 |
| Function | DC power distribution |
| Rated Voltage | 24V DC |
| Current Rating | Up to 20A (configuration dependent) |
| Material | High-conductivity metal |
| Mounting Type | Cabinet-mounted (horizontal installation) |
| Supported Modules | Up to 3 vertical CCAs per side |
| Dimensions | 13 × 10 × 9 cm |
| Weight | ~0.2 kg |
| Operating Temperature | -10°C to +55°C |
Application in Industrial Systems
This bus bar is widely used in Honeywell control environments where stable DC power distribution is required across multiple modules:
-
Distributed Control Systems (DCS)
-
TDC 3000 cabinet assemblies
-
Process automation panels
-
Power and utility control systems
-
Industrial instrumentation racks
Its horizontal layout allows efficient stacking of control cards, improving both space utilization and service accessibility inside cabinets.
Engineering Advantages
The 51403896-100 is designed for efficient, low-loss power distribution in dense industrial configurations. It replaces complex wiring harnesses with a clean, structured power rail system.
Key advantages include:
-
Stable DC distribution with minimal voltage drop
-
High-conductivity metal construction for reliable current handling
-
Compact horizontal design optimized for cabinet integration
-
Supports multiple CCAs, improving system density
-
Reduced wiring complexity, enhancing maintenance efficiency
-
Industrial durability suitable for continuous operation environments
This design helps engineers achieve cleaner layouts and more predictable power behavior in mission-critical control systems.
Technical FAQs
1. What is the main function of this bus bar?
It distributes 24V DC power to multiple control modules in a cabinet.
2. Which system is it designed for?
Primarily Honeywell TDC 3000 control systems.
3. What is the rated voltage?
Typically 24V DC system power distribution.
4. How many modules can it support?
Up to three vertical CCAs per side depending on configuration.
5. What is its current capacity?
Up to around 20A depending on system setup.
6. Is it used for signal transmission?
No, it is strictly for DC power distribution.
7. What is the installation method?
Horizontal mounting inside control cabinets.
8. Is it suitable for harsh environments?
Yes, it is designed for industrial control cabinet conditions.
9. Why is a bus bar preferred over wiring?
It reduces wiring complexity and improves power stability and serviceability.
10. What is its main system benefit?
It ensures clean, organized, and reliable power delivery to control modules.