The SR3XT141FU is a Schneider Electric digital I/O expansion module for the Zelio Logic smart relay range, adding 14 I/O points – 8 digital inputs and 6 relay outputs – with a 100…240 V AC supply voltage. It is designed to extend the I/O capacity of SR2 and SR3 Zelio Logic controllers and supports both ladder and FBD programming with cycle times of 6…90 milliseconds.

Technical specifications:

• Commercial reference: SR3XT141FU
• Manufacturer: Schneider Electric
• EAN: 3389110550160
• Series / range: Zelio Logic
• Product type: Digital I/O expansion module
• Supply voltage: 100…240 V AC (limit: 85…264 V), 50/60 Hz
• Digital inputs: 8, rated 100…240 V AC, 0.6 mA, 350 kOhm input impedance
• Relay outputs: 6 NO contact, 5…30 V DC / 24…250 V AC
• Output thermal current: 5 A (2 outputs), 8 A (4 outputs)
• Rated impulse withstand voltage: 4 kV (IEC 60947-1, IEC 60664-1)
• Mechanical durability: 10,000,000 cycles (relay output)
• Electrical durability: 500,000 cycles (relay output, IEC 60947-5-1)
• Connection: Screw terminals, 0.2…2.5 mm (solid and flexible with ferrule)
• Tightening torque: 0.5 N.m
• Overvoltage category: III (IEC 60664-1)
• IP rating: IP20 terminal block / IP40 front panel (IEC 60529)
• Operating temperature: -20…55C
• Storage temperature: -40…70C
• Operating altitude: 2000 m
• Weight: 0.22 kg
• Certifications: UL, CSA, C-Tick, GOST, GL

Features and benefits:

• 8 digital inputs operating directly at mains voltage (100…240 V AC) with guaranteed state detection thresholds
• 6 normally open relay outputs supporting AC loads up to 250 V and DC loads up to 30 V
• Wide supply voltage range (85…264 V AC) with built-in polarity protection
• 10-year program memory retention at 25C with automatic memory check at every startup
• Pollution degree 2 rated with full EMC compliance to IEC 61131-2 zone B

Applications:

• Extending I/O capacity on Zelio Logic SR2 and SR3 smart relay controllers
• Building automation – HVAC, lighting control, and access management panels
• Small industrial machine control requiring additional relay switching outputs
• Panel builder projects with mains-voltage AC digital signal inputs

Compliant with IEC 61131-2, IEC 60947-1, IEC 60664-1, IEC 60529, and EMC directives IEC 61000-6-2, IEC 61000-6-3, and IEC 61000-6-4. Part of the Schneider Electric Zelio Logic range.

Also known as: Schneider SR3XT141FU, Schneider Electric SR3XT141FU, Zelio Logic digital expansion module, Zelio Logic separate I/O module.