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- Schneider
- 490NAE91100
- Main Bus Junction Box
- France
- 450 × 55 × 120 mm
- 0.092 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Schneider 490NAE91100 is a reliable main bus junction box designed for industrial automation systems. It provides organized power distribution and centralized connection points for busbars, PLCs, and I/O modules. Its durable construction and compact design ensure secure and efficient electrical connections in distributed automation networks.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model Number | 490NAE91100 |
| Product Type | Main Bus Junction Box |
| Function | Centralized electrical connection and distribution |
| Dimensions (L x W x H) | 450 × 55 × 120 mm |
| Weight | 0.092 kg |
| Mounting | DIN rail / Rack-mounted |
| Environment | Industrial-grade |
| Material | Insulated metal / plastic casing |
| Voltage Rating | Up to 600 V DC/AC |
| Current Rating | Typical 10–20 A per busbar |
Function and Working Principle
The 490NAE91100 junction box ensures organized and secure power distribution within industrial automation systems. Key functionalities include:
- Acts as a central connection point for main busbars and PLC modules
- Provides reliable electrical distribution to connected devices
- Reduces wiring complexity and enhances installation neatness
- Supports modular expansion of distributed control systems
This ensures consistent power delivery and simplifies maintenance of industrial automation networks.
Role in Industrial Control Systems
The main bus junction box is a critical component in automation setups:
- Centralizes electrical connections for PLCs and I/O modules
- Supports modular and scalable distributed automation architectures
- Enhances system reliability and safety by providing organized bus connections
- Facilitates easier maintenance, troubleshooting, and expansion
Industrial Applications
The Schneider 490NAE91100 is widely used in:
- Manufacturing automation and assembly lines
- Process control in chemical, water treatment, and food plants
- Building automation and monitoring systems
- Material handling and conveyor control
- Electrical distribution for PLC cabinets
Its industrial-grade design ensures reliable and safe operation in complex automation environments.
Installation and System Integration
For optimal performance:
- Mount on DIN rails or inside control cabinets
- Connect main busbars, PLC modules, and I/O components according to wiring schematics
- Ensure proper grounding and follow industrial electrical safety procedures
- Integrate into modular distributed automation networks
- Verify all connections for secure and reliable contact
Proper installation guarantees efficient power distribution and network reliability.
Compatible System Components
The 490NAE91100 works seamlessly with:
- Schneider PLCs: Modicon M340, M580, Quantum series
- Input/Output modules for distributed automation networks
- Busbar modules and junction connectors
- Processor adapters and power supply units
These components form a robust, organized, and scalable industrial automation network.
Recommended Alternative Models
| Model Number | Type | Key Feature / Advantage | Application |
|---|---|---|---|
| 490NAE91000 | Standard Bus Junction Box | Basic centralized connection | Small automation setups |
| 490NAE91200 | High-Capacity Junction Box | Supports additional busbars | Large-scale automation systems |
| 490NAE91300 | Rugged Junction Box | Enhanced durability for harsh conditions | Heavy-duty industrial systems |
| 490NAE91400 | Modular Junction Box | Flexible modular connections | Distributed I/O expansion |
Key Advantages
- Provides centralized and organized electrical connections
- Compact and lightweight design for easy installation
- Supports modular and scalable distributed automation systems
- Industrial-grade construction ensures continuous operation
- Reduces wiring complexity and simplifies maintenance
Technical FAQs
Q1: What is the main function of the 490NAE91100?
A1: It serves as a central junction box for organizing and distributing electrical connections in automation systems.
Q2: What is its voltage and current rating?
A2: Up to 600 V DC/AC and 10–20 A per busbar (typical).
Q3: Is it suitable for industrial environments?
A3: Yes, it is industrial-grade and designed for reliable operation in harsh conditions.
Conclusion
The Schneider 490NAE91100 main bus junction box is a compact, reliable, and essential component for industrial automation networks. Its centralized design, organized power distribution, and industrial-grade durability make it indispensable for PLC-based distributed control systems.
Engineers and system integrators can rely on this junction box for efficient power connectivity, reduced wiring complexity, and scalable industrial automation performance.