Description
B&R 4P3040.00-490: Reliable Industrial Control Relay for Automation Systems
The B&R 4P3040.00-490 is a compact yet powerful industrial control relay designed to meet the demands of modern automation systems. From my experience, this model stands out for its versatility and durability in environments where precision and reliability are non-negotiable.
Key Features
- High Switching Capacity: Capable of handling up to 10A, making it suitable for both low-power signaling and higher-load applications.
- Plug-and-Play Design: Simplifies installation with its modular design, compatible with standard DIN rail setups.
- LED Status Indicators: Provides real-time operational feedback, reducing troubleshooting time during maintenance.
- Versatile Voltage Range: Supports input voltages from 24V DC to 230V AC, ensuring compatibility across various systems.
- Compact Form Factor: Saves valuable panel space without compromising performance.
Technical Specifications
| Specification | Details |
|---|---|
| Brand/Model | B&R 4P3040.00-490 |
| HS Code | 85364100 |
| Power Requirements | 24V DC – 230V AC |
| Dimensions & Weight | 90mm x 70mm x 100mm, 0.5kg |
| Operating Temperature | -25°C to +60°C |
| Signal Input/Output Types | Digital Inputs/Outputs |
| Communication Interfaces | None (Relay-Based) |
| Installation Method | DIN Rail Mountable |
Application Fields
This relay is widely used in industries like manufacturing, HVAC systems, and energy management. For instance, you might notice that it’s particularly effective in motor control panels or lighting circuits where frequent switching is required. In many cases, customers appreciate how seamlessly it integrates into existing PLC-based systems.
Advantages & Value
One thing I appreciate about the 4P3040.00-490 is its balance between cost-efficiency and performance. While not every application requires advanced communication protocols, this relay delivers consistent results for basic automation tasks. It also helps reduce downtime thanks to its robust build quality and easy replacement process. Additionally, Siemens’ reputation for excellent technical support adds another layer of confidence for buyers.
Installation & Maintenance
For installation, ensure your cabinet meets standard ventilation requirements to prevent overheating. Wiring should follow local electrical codes, and using proper strain relief can extend the lifespan of connections. Routine maintenance typically involves checking contact wear and cleaning dust accumulation. Firmware isn’t applicable here since it’s a purely electromechanical device, but periodic calibration may be necessary depending on your specific setup.
Quality & Certifications
The B&R 4P3040.00-490 complies with international standards including CE, UL, and RoHS certifications. You’re covered by a 12-month manufacturer warranty, which provides peace of mind for critical operations. From what I’ve seen, these certifications make it easier to justify procurement decisions when regulatory compliance is a priority.
Order Placement Process and Guarantees
We guarantee delivery within one week for in-stock items, though lead times could extend up to a month for special orders. Payment terms include a 50% advance deposit, with the remaining balance due before shipment. Express shipping options via FedEx, UPS, or DHL ensure timely delivery worldwide. Our 365-day warranty policy underscores our commitment to quality and customer satisfaction.








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