Schneider SR2A101BD 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 | SR2A101BD |
| Product Type | Compact Smart Relay |
| Product Series | Zelio Logic SR2 |
| Total I/O Points | 10 |
| Digital Inputs | 6 |
| Digital Input Voltage | 24 V DC |
| Digital Input Current | 4 mA |
| Input Compatibility | Three-wire PNP proximity sensors |
| Analog Inputs | 0 dedicated analog inputs |
| Relay Outputs | 4 |
| Relay Contact Type | Normally open (NO) |
| Relay Output Voltage | 24–250 V AC / 5–30 V DC |
| Output Thermal Current | 8 A total across all four outputs |
| Rated Supply Voltage | 24 V DC |
| Supply Voltage Range | 19.2–30 V DC |
| Maximum Supply Current | 100 mA without extension |
| Power Dissipation | 3 W without extension |
| Programming Language | Ladder Diagram (LD) |
| Programming Capacity | Up to 240 ladder rungs, depending on configuration |
| Display | Built-in LCD display |
| Real-Time Clock | Not included |
| Program Backup | EEPROM memory backup, up to 10 years at 25°C |
| Cycle Time | 6–90 ms |
| Mounting Method | 35 mm DIN rail or panel mounting |
| Protection Rating | IP20 |
| Dimensions | 71.2 × 90 × 59.5 mm |
| Weight | 0.25 kg |
FAQ
Q1: What is the main function of the Schneider Electric SR2A101BD Smart Relay?
The SR2A101BD is a compact programmable smart relay from the Zelio Logic SR2 series. It is designed for small-scale automation tasks, such as pump control, lighting systems, ventilation, machine interlocking, and basic sequence control. Its built-in LCD allows users to monitor operating status and perform basic diagnostics locally.
Q2: How many input and output points does the SR2A101BD provide?
The relay provides 10 I/O points in total, consisting of six digital inputs and four relay outputs. The inputs accept 24 V DC signals, while the relay outputs switch compatible AC or DC loads within their specified electrical ratings. The model does not provide dedicated analog inputs.
Q3: What power supply is required for the SR2A101BD?
The SR2A101BD requires a 24 V DC power supply and supports an operating supply range of 19.2–30 V DC. The maximum supply current is 100 mA without expansion modules. Use a regulated supply with suitable protection and verify the polarity before connecting the device.
Q4: How is the SR2A101BD programmed?
The SR2A101BD uses Ladder Diagram programming. Programs can be developed using compatible Zelio Soft software and transferred to the relay through a supported programming interface. Check software compatibility and the required programming cable before starting a project.
Q5: Can the SR2A101BD control motors, pumps, or solenoid valves directly?
Its relay outputs can switch compatible loads within their voltage and current ratings. However, motor starting currents and inductive loads can exceed normal operating values and shorten relay life. For motors or higher-power equipment, use appropriately rated contactors or interposing relays, together with suitable overload and short-circuit protection.
Q6: What should I check if the smart relay does not start or its display remains blank?
Check the 24 V DC supply, terminal wiring, polarity, and protective fuse or circuit breaker. Confirm that the supply voltage remains within the specified range under load. If the display remains blank after the power supply and wiring have been verified, inspect the unit for damage and consult the relevant troubleshooting documentation.
Q7: Will the SR2A101BD retain its program after a power failure?
Yes. The relay uses built-in non-volatile memory to retain the program, with a specified backup period of up to 10 years at 25°C. The model does not include a real-time clock, so applications requiring time-of-day scheduling or clock-based functions should account for this limitation.
Q8: What precautions should be taken when installing the SR2A101BD?
Install the relay securely on a compatible DIN rail or panel, and keep wiring organized to reduce electrical interference. Separate low-voltage control wiring from power wiring where appropriate, and provide suitable protection for the supply and output circuits. Before maintenance, isolate the power supply and verify that all connected circuits are in a safe state.
Schneider SR2A101BD 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.








