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Schneider Electric SR2B121B Smart Relay
The SR2B121B is a compact smart relay designed for automation applications, featuring a 24 V AC supply, 8 discrete inputs, and 4 relay outputs capable of switching 24 to 250 V AC and 5 to 30 V DC. Its small footprint allows mounting on DIN rails, providing high durability, with up to 500,000 switching cycles and a mechanical lifespan of 10 million cycles. The relay offers protections against inversion, robust insulation, and compliance with IEC standards, making it ideal for control systems, process automation, and industrial machinery.
Schneider Electric SR2B121B Smart Relay Specifications:
- Range of product: Zelio Logic
- Type: Compact smart relay
- Local display: With
- Number of control scheme lines: 0...500 (FBD), 0...240 (ladder)
- Cycle time: 6...90 ms
- Backup time: 10 years at 25°C
- Clock drift: 6 months at 25°C, 12 min/year at 0...55°C
- Rated supply voltage: 24 V AC
- Supply voltage limits: 204...28.8 V
- Supply frequency: 50/60 Hz
- Supply current: 145 mA (without extension)
- Power consumption: 4 VA (without extension)
- Isolation voltage: 1780 V
- Protection: Against terminal inversion
- Discrete input voltage: 24 V AC
- Discrete input current: 44 mA
- Input impedance: 4.6 kΩ
- Number of outputs: 4 relay outputs
- Output voltage limits: 24...250 V AC, 5...30 V DC
- Contact type: NO relay
- Thermal current: 8 A per relay
- Electrical durability: 500,000 cycles
- Response time: 10 ms (from 0 to 1), 5 ms (from 1 to 0)
- Operating temperature: -20°C to +55°C
- Dimensions: 200.16 mm x 59.9 mm
- Mounting: DIN rail
- Protection degrees: IP20 (terminals), IP40 (front panel)
- Certifications: UL, CSA, GL, GOST, C-Tick
- Standards compliance: IEC 61000 series, IEC 60068 series
- Environmental conditions: 95% RH, pollution degree 2, altitude up to 2000 m
- Warranty: 18 months
Buy the Buy Zelio Logic Smart Relay Part Number SR2B121B Online
Experience the convenience of online ordering for the Zelio Logic SR2B121B compact smart relay, a high-performance control device with 8 inputs, 4 relay outputs, and robust IEC standards. Ideal for industrial automation, this relay offers exceptional durability, high switching capacity, and easy DIN rail mounting. Its protection against terminal inversion ensures safety, while long backup and mechanical life make it a reliable choice for process control and automation solutions. Purchase online now to streamline your projects and ensure dependable operation.
Order your Zelio Logic SR2B121B compact smart relay today and enhance your automation system with reliable control and high durability.
Frequently Asked Questions
Where can I buy Schneider Electric SR2B121B?
You can click on the BUY or RFQ button to purchase SR2B121B from an authorized Schneider Electric distributor.
How do I troubleshoot issues or seek technical support for part SR2B121B?
You can download the SR2B121B datasheet or visit the Schneider Electric website for support.
Who is the manufacturer of SR2B121B?
Schneider Electric