Schneider SR3B261B 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 | SR3B261B |
| Product Type | Modular Intelligent Relay |
| Product Series | Zelio Logic |
| Total I/O Points | 26 (16 inputs + 10 outputs) |
| Digital Inputs | 16 |
| Input Signal Type | Discrete |
| Rated Supply Voltage | 24 V AC |
| Supply Voltage Range | 20.4–28.8 V AC |
| Supply Frequency | 50/60 Hz |
| Input Current | 4.4 mA per input |
| Input Impedance | 4.6 kΩ |
| Number of Outputs | 10 |
| Output Type | Relay |
| Output Contact Type | Normally Open (NO) |
| Output Voltage Range | 24–250 V AC; 5–30 V DC |
| Output Thermal Current | 5 A for 2 outputs; 8 A for the other 8 outputs |
| Programming Languages | Ladder Logic (LD), Function Block Diagram (FBD) |
| Display | Integrated LCD display |
| Real-Time Clock | Yes |
| Program Capacity | Up to 240 ladder logic lines or 500 FBD blocks |
| Cycle Time | 6–90 ms |
| Program Memory Backup | Up to 10 years at 25°C |
| Power Consumption | 7.5 VA without expansion modules; 10 VA with expansion modules |
| Expansion Capability | Supports compatible Zelio Logic expansion modules |
| Mounting Type | 35 mm DIN rail or screw mounting |
| Protection Rating | IP40 front panel; IP20 terminal block |
| Operating Temperature | -20°C to +55°C |
| Dimensions | 124.6 × 107.6 × 59.5 mm |
| Weight | 0.4 kg |
FAQ
Q1: What is the main function of the Schneider SR3B261B intelligent relay?
A: The SR3B261B is a programmable smart relay designed for industrial and building automation. It can control equipment sequences, switching operations, timers, counters, and other logic-based processes without requiring a larger PLC system.
Q2: What power supply does the SR3B261B require?
A: The SR3B261B uses a 24 V AC supply and supports a voltage range of 20.4–28.8 V AC at 50/60 Hz. The supply must match the specified AC requirements; a 24 V DC supply should not be substituted.
Q3: What types of input signals does the SR3B261B support?
A: The relay provides 16 discrete inputs designed for 24 V AC signals. The input specifications include a nominal input current of 4.4 mA and an input impedance of 4.6 kΩ. Confirm the wiring and signal requirements before connecting field devices.
Q4: What output functions are available on the SR3B261B?
A: The unit provides 10 normally open relay outputs for switching compatible AC or DC loads. Output voltage limits are 24–250 V AC and 5–30 V DC. The allowable current depends on the specific output group and load conditions.
Q5: Which programming software is compatible with the SR3B261B?
A: Schneider Electric Zelio Soft 2 is used to create, edit, simulate, and transfer programs for compatible Zelio Logic smart relays. Check the software version and communication cable compatibility before connecting the relay to a computer.
Q6: Can the SR3B261B perform scheduled control operations?
A: Yes. The integrated real-time clock supports time-based automation, such as scheduled switching and programmed operating sequences. Configure the clock and program logic according to the application’s timing requirements.
Q7: Can the SR3B261B be expanded with additional I/O modules?
A: Yes, it supports compatible Zelio Logic expansion modules. Before adding an expansion unit, check the module’s compatibility, the permitted system configuration, and the additional power requirements.
Q8: What should be checked when replacing an existing SR3B261B relay?
A: Confirm the 24 V AC supply, 16-input and 10-output configuration, relay contact ratings, program compatibility, and expansion-module arrangement. Review the wiring diagram and test the control sequence before returning the equipment to normal operation.
Schneider SR3B261B 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.
