Schneider SR3XT141FU Discrete I/O Expansion Module
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| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
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| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model Number | SR3XT141FU |
| Product Type | Discrete I/O Expansion Module |
| Product Series | Zelio Logic |
| Main Function | Digital input and output expansion for smart relays |
| Total I/O Points | 14 |
| Digital Inputs | 8 |
| Digital Input Voltage | 100–240 V AC |
| Rated Supply Voltage | 100–240 V AC |
| Supply Voltage Range | 85–264 V AC |
| Supply Frequency | 50/60 Hz |
| Digital Input Current | 0.6 mA |
| Guaranteed ON-State Voltage | ≥ 79 V AC |
| Guaranteed OFF-State Voltage | ≤ 40 V AC |
| Input Impedance | 350 kΩ |
| Digital Input Frequency | 47–53 Hz / 57–63 Hz |
| Digital Outputs | 6 relay outputs |
| Output Contact Type | Normally open (NO) |
| Relay Output Voltage | 24–250 V AC / 5–30 V DC |
| Output Thermal Current | 5 A for 2 outputs; 8 A for 4 outputs |
| Minimum Switching Capacity | ≥ 10 mA at 12 V |
| Programming Compatibility | Zelio Logic smart relay system |
| Maximum Program Capacity | 120 ladder logic lines |
| Cycle Time | 6–90 ms |
| Program Memory Backup | Up to 10 years at 25°C |
| Clock Drift | Approximately 12 minutes per year at 0–55°C |
| Program Memory Check | Automatic check at each power-up |
| Reverse Polarity Protection | Supported |
| Mounting Type | 35 mm DIN rail or screw mounting |
| Connection Type | Screw terminals |
| Terminal Tightening Torque | 0.5 N·m |
| Protection Rating | IP40 front panel / IP20 terminals |
| Operating Temperature | Confirm the permitted range in the product documentation for the installation conditions |
| Dimensions | 107.6 x 72 x 59.5 mm |
| Weight | 0.22 kg |
FAQ
Q1: What is the main function of the Schneider Electric SR3XT141FU?
The SR3XT141FU is a discrete I/O expansion module in the Zelio Logic series. It adds eight AC digital inputs and six relay outputs to a compatible smart relay, allowing the control system to manage additional switches, sensors, contactors, and other field devices.
Q2: Which smart relays are compatible with the SR3XT141FU?
The module is designed for compatible Schneider Electric Zelio Logic SR2 and SR3 smart relays that support expansion modules. Check the complete model number of the base relay and its expansion compatibility before installation. The SR3XT141FU is an AC-powered version.
Q3: What power supply does the SR3XT141FU require?
The module has a rated supply voltage of 100–240 V AC and supports a range of 85–264 V AC at 50/60 Hz. Verify the supply voltage and wiring diagram before energizing the equipment. Using a supply outside the permitted range may cause unreliable operation or damage.
Q4: What types of signals can the eight digital inputs accept?
The eight inputs are designed for 100–240 V AC discrete signals. The guaranteed ON-state voltage is at least 79 V AC, while the guaranteed OFF-state voltage is no more than 40 V AC. Confirm that connected switches and field devices provide signals compatible with these input thresholds.
Q5: What are the specifications of the six relay outputs?
The module provides six normally open relay outputs rated for switching 24–250 V AC or 5–30 V DC. The thermal current rating is 5 A for two outputs and 8 A for four outputs. Actual switching capacity depends on the load type and operating conditions. Inductive loads may require an appropriately rated contactor or protective circuit.
Q6: Does the SR3XT141FU operate as a standalone controller?
No. The SR3XT141FU is an expansion module, not an independent programmable controller. Its inputs and outputs are managed by a compatible Zelio Logic smart relay. The main relay’s application is programmed using compatible Zelio Logic software, with support for up to 120 ladder logic lines.
Q7: What should I check if the module’s inputs or outputs do not respond?
First, verify the AC supply voltage and frequency. Then inspect the module connection, terminal wiring, and input signal levels. For output problems, check the load circuit, protective devices, and relay contacts. Always isolate the power supply before modifying wiring or performing electrical tests.
Q8: How should the SR3XT141FU be installed and maintained?
The module supports 35 mm DIN rail mounting or screw fixing. Install it in a suitable control cabinet, follow the manufacturer’s wiring diagram, and use the specified terminal tightening torque. During maintenance, inspect the terminals for looseness or overheating and verify that the inputs and relay outputs operate correctly. Confirm the base relay’s compatibility before replacing or adding an expansion module.
Schneider SR3XT141FU Discrete I/O Expansion Module 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.
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The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
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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.
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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.








