Schneider SR2B122BD 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 | SR2B122BD |
| Product Series | Zelio Logic |
| Product Type | Compact Smart Relay |
| Total I/O | 12 points |
| Rated Supply Voltage | 24 V DC |
| Supply Voltage Range | 19.2–30 V DC |
| Maximum Supply Current | 100 mA without extension |
| Power Consumption | 3 W without extension |
| Digital Inputs | 8 |
| Digital Input Voltage | 24 V DC |
| Digital Input Current | 4 mA |
| Digital Input Counting Frequency | 1 kHz |
| Analog Inputs | 4 |
| Analog Input Range | 0–10 V / 0–24 V |
| Analog Input Resolution | 8 bits |
| Compatible Sensors | 3-wire PNP proximity sensors; supported temperature probes |
| Output Type | 4 transistor outputs |
| Output Voltage | 24 V DC |
| Output Voltage Range | 19.2–30 V DC |
| Output Load Current | 0.5–0.625 A per output, depending on operating conditions |
| Output Protection | Overload, short-circuit, and overvoltage protection |
| Local Display | Built-in LCD display |
| Programming Languages | Ladder Diagram (LD), Function Block Diagram (FBD) |
| Programming Capacity | Up to 240 ladder lines or 500 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 | 107.6 × 71.2 × 59.5 mm |
| Weight | 0.22 kg |
FAQ
Q1: What is the main function of the Schneider SR2B122BD Compact Smart Relay?
A1: The SR2B122BD is a programmable smart relay in the Zelio Logic series. It executes user-defined control programs for small automation applications, such as pump control, ventilation, lighting, and basic machine sequencing. Its transistor outputs are suitable for compatible DC control loads.
Q2: What power supply does the SR2B122BD require?
A2: The relay operates on a 24 V DC supply, with an allowable voltage range of 19.2–30 V DC. The power supply must be correctly wired and sized to support the relay and its connected control equipment.
Q3: Can the SR2B122BD accept analog signals from sensors?
A3: Yes. It has four analog input channels supporting 0–10 V and 0–24 V signals, with 8-bit resolution. Compatible temperature probes are also supported. Confirm the sensor type, signal range, and terminal assignment before wiring.
Q4: What is the difference between the SR2B122BD and a relay model with mechanical outputs?
A4: The SR2B122BD uses transistor outputs rather than mechanical relay contacts. Transistor outputs switch compatible DC loads electronically and are suitable for frequent switching. They have specific voltage, current, and load requirements and cannot directly replace relay contacts in every AC or DC circuit.
Q5: What should I check if a transistor output does not activate?
A5: Check the 24 V DC supply, program logic, input status, output wiring, and load current. Confirm that the connected load is compatible with the transistor output and that the circuit has no short circuit or overload. The output protection may intervene when an abnormal load condition occurs.
Q6: Which programming methods are supported by the SR2B122BD?
A6: The relay supports Ladder Diagram (LD) and Function Block Diagram (FBD) programming using compatible Schneider Electric Zelio Soft software. The program can support up to 240 ladder lines or 500 FBD blocks, depending on the programming method.
Q7: Can the SR2B122BD retain its program after a power interruption?
A7: Yes. Its built-in memory backup can 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 signals, and output operation before returning the system to normal service.
Q8: What should be checked before replacing an existing smart relay with the SR2B122BD?
A8: Verify the 24 V DC supply requirement, input configuration, analog signal compatibility, transistor output ratings, terminal assignments, and program compatibility. Because this model uses transistor outputs, confirm that the existing loads are suitable for electronic DC switching before installation.
Schneider SR2B122BD 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.
