Schneider SR2B121BD Compact Smart Relay

Overview

The Schneider SR2B121BD Compact Smart Relay is a programmable control device designed for simple and efficient automation applications. It provides flexible logic control, reliable relay switching, and easy programming capabilities for industrial machines, building automation, lighting control, and small process systems.

General Information

Part Number: SR2B121BD

Manufacturer: Schneider Electric

Brand: Schneider Electric

Country of Origin: France

Series: Zelio Logic

Product Type: Compact Smart Relay

Control Type: Programmable Logic Control Relay

Mounting Method: DIN Rail Mount

Application: Small Automation Systems, Machine Control, Building Management

Power Specifications

Supply Voltage: 24 V DC

Power Consumption: Low Power Operation

Input Type: Digital Inputs

Output Type: Relay Outputs

Protection Features: Overvoltage Protection, Short-Circuit Protection, Thermal Protection

Status Indicators: LED Indicators for Power, Run, and Fault Status

Power Backup: Internal Memory Retention for Program Storage

Communication & Interface

Programming Interface: PC Programming Connection

Programming Method: Ladder Logic and Function Block Diagram (FBD)

Digital Inputs: 12 Inputs

Relay Outputs: 8 Outputs

Display Interface: Integrated LCD Display and Keypad

Diagnostic Functions: Program Monitoring, Fault Display, System Diagnostics

Expansion Capability: Supports Expansion Modules for Additional I/O Functions

Environmental

Operating Temperature: -20°C to +55°C

Storage Temperature: -40°C to +70°C

Relative Humidity: 10% to 95% RH, Non-Condensing

Protection Rating: IP20

Installation Environment: Indoor Industrial Control Cabinet

Dimensions & Weight

Dimensions (W × H × D): 107.6 × 71.2 × 59.5 mm

Weight: 0.25 kg

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