Schneider SR3B261FU Modular Intelligent Relay
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model Number | SR3B261FU |
| Product Series | Zelio Logic |
| Product Type | Modular Intelligent Relay |
| Rated Supply Voltage | 100–240 V AC |
| Supply Voltage Range | 85–264 V AC |
| Supply Frequency | 50/60 Hz |
| Number of Inputs/Outputs | 26 I/O |
| Digital Inputs | 16 |
| Analog Inputs | Not available on this model |
| Output Type | 10 relay outputs |
| Relay Contact Type | Normally open (NO) |
| Relay Output Voltage | 24–250 V AC / 5–30 V DC |
| Maximum Output Current | 8 A for 8 outputs; 5 A for 2 outputs |
| Supply Current | 100 mA at 100 V AC or 50 mA at 240 V AC without extensions |
| Power Consumption | 12 VA without extensions; 17 VA with extensions |
| Local Display | Integrated LCD display |
| Real-Time Clock | Yes |
| Programming Languages | Ladder Diagram (LD) and Function Block Diagram (FBD) |
| Program Capacity | Up to 240 ladder logic lines or 500 FBD lines |
| Cycle Time | 6–90 ms |
| Program Backup | Up to 10 years at 25°C |
| Isolation Voltage | 1780 V |
| Mounting Type | DIN rail mounting |
| Terminal Type | Screw-clamp terminals |
| Protection Rating | IP40 front panel; IP20 terminals |
| Dimensions | 124.6 × 107.6 × 59.5 mm |
| Weight | 0.4 kg |
FAQ
Q1: What is the main function of the Schneider Electric SR3B261FU intelligent relay?
The SR3B261FU is a programmable smart relay from the Zelio Logic series. It is designed for small-scale automation tasks such as machine control, pump management, lighting systems, ventilation control, and basic process automation. It processes input signals according to the user program and operates connected equipment through its relay outputs.
Q2: What power supply does the SR3B261FU require?
The SR3B261FU operates with a 100–240 V AC rated supply at 50/60 Hz. Its specified supply voltage limits are 85–264 V AC. Confirm the actual supply voltage and wiring before installation, and do not connect a 24 V DC supply to this AC-powered model.
Q3: How many inputs and outputs does the SR3B261FU provide?
The unit provides 26 I/O points, consisting of 16 AC digital inputs and 10 relay outputs. This configuration is suitable for applications that need multiple switch or sensor signals and several independently controlled loads. This model does not provide the 0–10 V analog inputs found on certain other Zelio Logic versions.
Q4: What programming software and languages are supported?
The SR3B261FU supports Ladder Diagram (LD) and Function Block Diagram (FBD) programming using compatible Zelio Logic programming software, such as Zelio Soft 2. Ladder logic is useful for relay-style control, while FBD supports function-based logic design. Confirm software and connection-cable compatibility before transferring a program.
Q5: What types of loads can the relay outputs control?
The relay outputs can switch compatible AC and DC loads within their specified voltage and current ratings. The maximum thermal current is 8 A for eight outputs and 5 A for two outputs. Actual switching capacity depends on load type, voltage, inrush current, and switching frequency. Use suitable suppression for inductive loads to reduce contact wear.
Q6: Why does the SR3B261FU fail to power on or display a program?
Possible causes include an incorrect supply voltage, loose wiring, a damaged fuse or supply circuit, or an internal fault. Check the AC supply and terminal connections first. If the unit powers on but the expected program does not run, inspect the program status and configuration. Isolate power before handling wiring.
Q7: Can the SR3B261FU be expanded with additional I/O modules?
Yes. The Zelio Logic modular system supports compatible expansion modules. The base relay and expansion module must have compatible supply-voltage versions, and the overall configuration must remain within the system’s expansion limits. Check the additional power consumption and wiring requirements before installing an extension.
Q8: What maintenance and checks are recommended for the SR3B261FU?
Periodically inspect terminal connections, wiring insulation, mounting security, and signs of overheating or contamination. Back up the control program before making changes, and verify the real-time clock and program operation after a power interruption. If relay outputs behave inconsistently, check the connected load and wiring before assuming the relay itself has failed.
Schneider SR3B261FU Modular Intelligent Relay is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
