Schneider Electric SR3-B261BD | Communication & I/O Module

Schneider Zelio Logic Smart Relay

The SR3-B261BD Schneider is a quality Schneider Electric Zelio Logic smart relay, offering simple and cost-effective automation for small control applications.

Key Features

• Easy programming: Ladder logic or FBD programming via front-panel keys or Zelio Soft software
• All-in-one design: Integrated inputs, outputs, display, and programming interface in one compact unit
• Expandable I/O: Modular expansion options for growing application requirements
• Communication ready: Modbus RS485 for integration with HMIs and SCADA systems
• Backup memory: Program retention during power loss for reliable operation

Applications

Ideal for pump control, lighting management, gate/door automation, irrigation systems, small machine control, HVAC sequencing, and any application where a full PLC is excessive but simple relays are insufficient.

Why Schneider Electric?

Zelio Logic combines Schneider's industrial automation expertise with consumer-level simplicity, making smart control accessible for every application.

Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Normal delivery takes 2–6 business days subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.

Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.