Schneider SR2B201FU Zelio Logic Smart Relay 20 IO 100-240V AC Clock

The SR2B201FU is a Schneider Electric Zelio Logic compact programmable relay with 20 I/O, a built-in real-time clock, and a local display. Powered by 100-240 V AC, it delivers 12 digital inputs and 8 relay outputs for straightforward automation tasks without a full PLC.

Technical specifications:

• Commercial reference: SR2B201FU
• Manufacturer: Schneider Electric
• Series / range: Zelio Logic
• Product type: Compact programmable relay
• Supply voltage: 100-240 V AC (limits: 85-264 V)
• Supply frequency: 50/60 Hz
• Power consumption: 11 VA without extension module
• Digital inputs: 12, rated 100-240 V AC
• Analog inputs: 0
• Relay outputs: 8, NO contact, 8 A thermal current
• Output voltage range: 5-30 V DC / 24-250 V AC
• Real-time clock: Yes
• Local display: Yes
• Program capacity: 0-240 lines (ladder) / 0-500 blocks (FBD)
• Cycle time: 6-90 ms
• Memory retention: 10 years at 25°C
• Rated impulse withstand voltage [Uimp]: 4 kV per IEC 60947-1 and IEC 60664-1
• IP rating: IP20 (connection block), IP40 (front panel) per IEC 60529
• Operating temperature: -20 to 55°C
• Storage temperature: -40 to 70°C
• Weight: 0.38 kg
• Connection: Screw terminals, 0.2-2.5 mm²
• Tightening torque: 0.5 N.m
• Overvoltage category: III per IEC 60664-1
• Pollution degree: 2 per IEC 61131-2
• Certifications: C-Tick, CSA, GL, GOST, UL

Features and benefits:

• Built-in real-time clock with a maximum drift of 12 min/year at 0-55°C for accurate time-based switching
• Programmable in ladder (up to 240 lines) or FBD (up to 500 blocks) with program memory retained for 10 years at 25°C
• Relay outputs rated for 500,000 electrical cycles and 10,000,000 mechanical cycles per IEC 60947-5-1
• Wide supply tolerance of 85-264 V AC ensures reliable operation across variable mains conditions
• Protection against terminal reversal prevents unintended instruction execution

Applications:

• Time-scheduled lighting and HVAC switching in commercial or residential buildings
• Pump and motor sequencing in small control panels
• Compact machine automation where a full PLC is not required
• Access control and alarm relay switching with event- or time-driven logic

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

Also known as: Schneider SR2B201FU, Schneider Electric SR2B201FU, Zelio Logic smart relay, compact programmable relay 20 I/O 240V AC.