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Schneider Electric SR2B121FU Smart Relay

The SR2B121FU is a compact smart relay designed for automation and control applications, featuring a 12 Discrete Inputs and 4 Relay Outputs. Compatible with 100-240 V AC power supply, it offers fast response times, high electrical durability, and robust protection against electrical disturbances. Its DIN rail mounting capability, local display, and wide temperature range make it suitable for diverse industrial environments. Certification to multiple standards ensures reliable operation with prolonged lifecycle, ideal for integrating into complex control systems for manufacturing, building automation, and process control.

Authorized Distributors
Source:Newark
Part No:SR2B121FU
Stock:1
Inv Date:06-08-2026
Price: Unit price: $314.11
Buy/RFQ:
Source:DigiKey
Part No:SR2B121FU
Stock:1
Inv Date:06-08-2026
Price: Unit price: $266.11
Buy/RFQ:
Part No:SR2B121FU
Stock:1
Inv Date:06-09-2026
Price: Unit price: $266.11
Buy/RFQ:
Part No:SR2B121FU
Stock:10
Inv Date:06-08-2026
Price: Unit price: $272.61
Buy/RFQ:
Part No:SR2B121FU
Stock:1
Inv Date:06-08-2026
Price: Unit price: $266.11
Buy/RFQ:
Part No:SR2B121FU
Stock:1
Inv Date:06-08-2026
Price: Unit price: $266.11
Buy/RFQ:

Schneider Electric SR2B121FU Smart Relay Specifications:

  • Rated supply voltage: 100...240 V AC
  • Supply voltage limits: 85...264 V
  • Supply frequency: 50/60 Hz
  • Discrete input quantity: 8
  • Discrete input voltage: 100...240 V AC
  • Discrete input current: 0.6 mA
  • Input impedance: 350 kOhm
  • Number of outputs: 4 relay outputs
  • Output voltage limits: 24...250 V AC, 5...30 V DC
  • Relay contact type: NO
  • Thermal current: 8 A per output
  • Electrical durability: 500,000 cycles
  • Mechanical durability: 10 million cycles
  • Protection class: IP20 (terminals), IP40 (front panel)
  • Operating temperature: -20°C to 55°C
  • Connections: Screw terminals, clamping capacity AWG 14-25
  • Mounting: DIN rail in standard 35 mm width
  • Dimensions: 80 mm (width) x 85 mm (height) x 60 mm (depth)
  • Certifications: UL, cUL, GL, GOST, C-Tick
  • Standards compliance: IEC 61000 series, IEC 60068 series

Buy the Buy Zelio Logic SR2B121FU Part Number SR2B121FU Online

Purchase the Zelio Logic SR2B121FU online today to streamline your automation projects with a reliable, compact smart relay designed for extensive industrial control applications. Featuring 8 discrete inputs and 4 relay outputs, this relay offers high switching capacity, fast response times, and robust electrical durability. Its DIN rail mounting simplifies installation, while certifications ensure safety and compliance with international standards. Experience seamless system integration, enhanced control, and long-lasting performance by ordering the SR2B121FU today for your manufacturing or automation setup.

Get Zelio Logic SR2B121FU today—built for precision, durability, and seamless automation integration.

Frequently Asked Questions

Where can I buy Schneider Electric SR2B121FU?

You can click on the BUY or RFQ button to purchase SR2B121FU from an authorized Schneider Electric distributor.

How do I troubleshoot issues or seek technical support for part SR2B121FU?

You can download the SR2B121FU datasheet or visit the Schneider Electric website for support.

Who is the manufacturer of SR2B121FU?

Schneider Electric

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