Schneider SR2B201BD Compact Smart 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 |
|---|---|
| Manufacturer | Schneider Electric |
| Model | SR2B201BD |
| Product Series | Zelio Logic |
| Product Type | Compact Smart Relay |
| Number of I/O | 20 |
| Rated Supply Voltage | 24 V DC |
| Supply Voltage Range | 19.2–30 V DC |
| Maximum Supply Current | 100 mA without extension |
| Power Consumption | 6 W without extension |
| Digital Inputs | 12 |
| Digital Input Voltage | 24 V DC |
| Digital Input Current | 4 mA |
| Analog Inputs | 6 |
| Analog Input Range | 0–10 V / 0–24 V |
| Analog Input Resolution | 8 bits |
| Maximum Permissible Analog Input Voltage | 30 V |
| Input Compatibility | 3-wire PNP proximity sensors |
| Relay Outputs | 8 |
| Output Contact Type | Normally Open (NO) |
| Relay Output Voltage | 24–250 V AC; 5–30 V DC |
| Combined Output Thermal Current | 8 A across all 8 outputs |
| Local Display | Built-in display |
| Programming Languages | Ladder Diagram (LD), Function Block Diagram (FBD) |
| Programming Capacity | Up to 120 ladder lines or 200 FBD blocks |
| Cycle Time | 6–90 ms |
| Real-Time Clock | Built-in |
| Program Backup | Up to 10 years at 25°C under specified conditions |
| Reverse Polarity Protection | Yes |
| Mounting | 35 mm DIN rail or screw fixing |
| Protection Rating | IP40 front panel; IP20 terminal block |
| Operating Temperature | -20°C to +55°C |
| Dimensions | 124.6 × 107.6 × 59.5 mm |
| Weight | 0.38 kg |
FAQ
Q1: What is the main function of the Schneider SR2B201BD Compact Smart Relay?
A1: The SR2B201BD is a programmable smart relay in the Zelio Logic series. It is designed for small-scale automation tasks, including equipment sequencing, machine control, and basic process automation. It monitors input signals and controls connected devices according to the programmed logic.
Q2: What power supply does the SR2B201BD require?
A2: The SR2B201BD operates on a 24 V DC power supply, with an allowable voltage range of 19.2–30 V DC. Verify the supply polarity and voltage before powering up the relay. Reverse polarity protection is provided, but correct wiring is still essential.
Q3: What input signals can the SR2B201BD handle?
A3: The relay has 12 discrete inputs and 6 analog input channels. The discrete inputs are designed for 24 V DC signals, while the analog inputs support 0–10 V and 0–24 V ranges. Three-wire PNP proximity sensors can be used when their electrical characteristics are compatible with the input specifications.
Q4: Which programming methods are supported by the SR2B201BD?
A4: The SR2B201BD supports Ladder Diagram (LD) and Function Block Diagram (FBD) programming through compatible Zelio Soft software. The available program capacity depends on the selected programming method. The program should be tested before being deployed in a live control system.
Q5: What types of loads can the relay outputs control?
A5: The unit provides eight normally open relay outputs for switching compatible AC or DC loads. The specified output voltage ranges are 24–250 V AC and 5–30 V DC, with a combined thermal current of 8 A across all eight outputs. Contact ratings, load inrush current, and switching frequency should be considered when selecting connected equipment.
Q6: Why might an analog input display an incorrect value?
A6: Incorrect readings can result from using the wrong input range, unstable signal voltage, wiring errors, electrical interference, or an incompatible sensor. Confirm the signal type and common reference connections, check the input configuration in the program, and measure the actual signal with a suitable meter.
Q7: Can the SR2B201BD retain its program after a power failure?
A7: Yes. The relay has built-in memory backup designed to retain the program for up to 10 years at 25°C under specified conditions. After power is restored, check the program status, clock settings, input states, and output operation before resuming automatic operation.
Q8: What should be checked if the SR2B201BD fails to operate after installation?
A8: Check that the supply voltage is within the specified range and that the terminals are wired correctly. Then inspect the input status, program logic, output connections, and connected loads. If the display shows an error or the program does not run as expected, consult the applicable programming documentation and troubleshoot with the equipment safely isolated where necessary.
Schneider SR2B201BD Compact Smart 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.








