This busway system employs a modular design, enabling simple plug-in connections to distribute power for lighting systems. It provides sufficient power branches with essential protection while mechanically supporting the weight load of lighting fixtures.
The RTZM lighting busway features a high-quality extruded aluminum alloy enclosure, characterized by its light weight, compact size, and high mechanical strength. The busbar conductors are made of premium copper, wrapped in environmentally friendly, low-smoke zero-halogen (LSZH), flame-retardant insulation. Multiple sockets can be customized in practical applications, offering installation and distribution flexibility to adapt to any complex scenario.
The RTZM lighting busway mainly consists of straight sections, feeder units, tap-off units, flexible elbows, and various fixing brackets and accessories. All components and accessories are standardized and modularized throughout the design and production process to ensure easy installation and application.
| Rated Current (A) |
Resistance R20 (mΩ/m) |
Reactance X20 (mΩ/m) |
Impedance Z20 (mΩ/m) |
Voltage Loss (V/m) |
|||||
| Calculated value at resistance R20 |
0.6 | 0.7 | 0.8 | 0.9 | 0.95 | 1 | |||
| 16 | 15.280 | 7.680 | 17.101 | 0.265 | 0.280 | 0.292 | 0.296 | 0.293 | 0.265 |
| 25 | 9.168 | 4.608 | 10.261 | 0.255 | 0.269 | 0.280 | 0.284 | 0.281 | 0.254 |
| 32 | 5.730 | 2.880 | 6.413 | 0.249 | 0.263 | 0.273 | 0.278 | 0.275 | 0.248 |
| 40 | 3.820 | 1.920 | 4.275 | 0.265 | 0.280 | 0.292 | 0.296 | 0.293 | 0.265 |
| Rated Current (A) |
Rated Voltage AC |
Rated Insulation Voltage (VAC) |
Frequency f/Hz |
Overall Dimension (mm) |
Protection Degree of Protection |
Short time Withstand Current Icw/ka |
Peak Withstand Current Ip/ka |
Insulation Resistance MΩ |
| 16 | 230/400 | 800 | 50/60 | LB-S: 40×30 LB-D: 48×40 |
55 | 1 | 1.4 | 500 |
| 25 | 230/400 | 800 | 50/60 | LB-S: 40×30 LB-D: 48×40 |
55 | 1 | 1.4 | 500 |
| 32 | 230/400 | 800 | 50/60 | LB-S: 40×30 LB-D: 48×40 |
55 | 1 | 1.4 | 500 |
| 40 | 230/400 | 800 | 50/60 | LB-S: 40×30 LB-D: 48×40 |
55 | 1 | 1.4 | 500 |
The RTZM Lighting Busway 10-40A from ZHERUTONG is a modular lighting power distribution solution designed for low-current applications with frequent tap-off requirements. It is suitable for lighting circuits in light industrial assembly lines, data center equipment rooms, shopping malls, supermarkets, parking facilities, and other commercial or industrial environments where flexible fixture connection and organized power distribution are required.
As a lighting busway manufacturer and supplier, ZHERUTONG provides this system for projects that need a practical alternative to conventional cable-based lighting distribution. The RTZM series combines modular straight sections, feeder units, tap-off units, flexible elbows, and fixing accessories to support efficient installation and layout adjustment.
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Lighting busway, also searched as lighting busbar, lighting busbar system, or lighting busbar trunking system, is a modular electrical distribution system used to supply power to lighting fixtures along a continuous track or enclosed conductor line. In suitable projects, it can simplify lighting power distribution, support multiple tap-off points, and improve installation flexibility compared with conventional fixed wiring layouts.
For low-current lighting applications, a busbar trunking system can help create a cleaner and more organized installation structure, especially where fixture positions may change or multiple connection points are needed along the run.
A lighting busbar system is commonly used where the project requires:
Organized power distribution for lighting circuits
Frequent tap-off points along the line
Faster installation compared with complex cable routing in suitable layouts
Easier expansion or adjustment of lighting positions
A modular system structure for commercial and industrial applications
For buyers searching for what is busbar trunking used for, the answer depends on the application. In lighting projects, it is used to distribute power efficiently to luminaires and related low-current loads while supporting a more modular installation method.
The RTZM Lighting Busway 10-40A is suitable for applications such as:
Light industrial assembly lines
Data center equipment rooms
Shopping malls
Supermarkets
Parking facilities
Commercial lighting distribution areas
Other indoor projects requiring low-current lighting busway installation
The RTZM system is built around modular sections and accessories, making it suitable for projects that require organized installation and flexible configuration.
The aluminum alloy housing helps reduce weight while maintaining structural strength for daily application needs.
Copper conductors and low-smoke zero-halogen flame-retardant insulation support reliable electrical performance and practical safety requirements.
Socket quantity and spacing can be configured according to project conditions, helping the system adapt to different lighting distribution layouts.
For projects where lighting points need to be distributed along the route, the system provides a practical plug-in power distribution approach.
Rated operational current: 10-40A
Rated operational voltage: 230/400V
This version is suitable for small-load lighting applications in commercial spaces, offices, schools, hospitals, and similar environments. Its detachable and reusable design can help improve resource efficiency and support operational flexibility.
The connection plug uses a flame-retardant ABS plastic body with a composite structure for light weight, insulation performance, and long service life. Silver-plated spring clips help maintain stable electrical contact. The grounding pin is designed to connect before and disconnect after the phase pins for improved operational safety.
The RTZM-D version features an all-aluminum alloy enclosure with light weight and high strength. The structure is designed for projects requiring stronger environmental protection and mechanical performance.
This connector adopts a waterproof design for use in damp or wet environments where suitable. It is intended to support reliable connection and convenient installation in practical applications.
Rated current range: 16A / 25A / 32A / 40A
Rated voltage: 230/400V
Rated insulation voltage: 800VAC
Frequency: 50/60Hz
Overall dimensions: LB-S: 40 × 30 mm, LB-D: 48 × 40 mm
Protection degree: IP55
Short-time withstand current: 1kA
Peak withstand current: 1.4kA
Insulation resistance: 500MΩ
Please refer to the specification tables on this page for the detailed resistance, reactance, impedance, and voltage loss data for each current rating.
Straight Sections: Standard straight sections are generally available in 3 m lengths with outlet spacing of 0.5 m or 1 m. Non-standard lengths can be discussed according to project requirements.
Feed Unit: Feeder units are used to introduce power into the system. Special sealed connectors are selected where flexible sections are used.
Tap-Off Unit: The tap-off unit contains three conductors and can be configured according to circuit requirements. Cable type and cable length can be specified according to project needs.
Flexible Elbow: The flexible elbow allows changes in direction or height and helps the system pass around obstacles. It is used where installation conditions require a more adaptable routing arrangement.
Fixing Bracket: Fixing brackets are used to suspend the lighting busway and can also help support luminaires or connection areas where additional mechanical stability is needed.
Installation: Two adjacent straight sections can be connected by aligning and pushing the joint into position until fully engaged. This installation method is designed to be practical and convenient for standardized modular assembly.
For buyers researching lighting busbar system installation, the overall installation method depends on project layout, section length, outlet spacing, and accessory configuration. ZHERUTONG can discuss suitable configuration details according to your application.
Lighting busway is a modular electrical distribution system used to supply power to lighting fixtures through a structured busbar trunking layout with multiple connection points.
Bus duct, also called busway or busbar trunking system in many electrical contexts, is an enclosed conductor system used to distribute electrical power in a more organized and modular way than traditional cable-only layouts.
Busbar trunking is used for electrical power distribution in commercial, industrial, and infrastructure projects. In lighting applications, it is used to distribute power to lighting circuits with flexible tap-off points.
Different systems are designed for different applications, such as lighting busway, power busway, and higher-current distribution systems. The appropriate type depends on load, layout, environment, and application purpose.
It can be used in commercial and industrial lighting projects such as malls, supermarkets, parking facilities, assembly lines, and other spaces requiring organized lighting power distribution.
Project-related configuration such as section length, outlet spacing, and component selection can be discussed according to application requirements.
If you are looking for a custom lighting busway, a lighting busway supplier, or a lighting busway manufacturer for low-current lighting distribution projects, contact ZHERUTONG for quotation and configuration support.
To help us respond more efficiently, please send: Application scenario, Current rating, Voltage, Required installation length, Outlet spacing requirement, Drawings or layout information if available
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