Overview
The Schneider SR2B202BD is a compact smart relay designed for small-scale automation, machine control, and building management applications. It provides programmable control functions with integrated inputs and relay outputs, offering an efficient solution for simple industrial automation systems.
General Information
Part Number: SR2B202BD
Manufacturer: Schneider Electric
Brand: Schneider
Country of Origin: France
Series: Zelio Logic Smart Relay
Type: Compact Smart Relay / Programmable Relay Controller
Application: Machine automation, lighting systems, pump control, HVAC control, and small control panels
Programming Method: Ladder Logic and Function Block Diagram
Mounting: DIN rail or panel mounting
Technology: Microprocessor-based control with integrated I/O and user-programmable functions
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: Low power industrial operation
Input Voltage Range: 24 V DC control supply
Protection: Built-in electrical protection for reliable operation
Memory: Non-volatile memory for retaining user programs
Status Indicators: LED indicators for power, operation, and fault status
Backup Function: Program retention during power interruption
Communication & Interface
Digital Inputs: Integrated digital input channels for connection with switches and sensors
Relay Outputs: Integrated relay output channels for controlling external devices
Output Type: Electromechanical relay contacts
Communication Interface: Zelio communication port for programming and configuration
Programming Connection: PC-based configuration through compatible programming tools
Diagnostics: Fault detection, system monitoring, and operation status feedback
Operator Interface: Front panel display and navigation keys for local setup
Environmental
Operating Temperature: −20 to +55 °C
Storage Temperature: −40 to +70 °C
Humidity: Up to 95% RH, non-condensing
Installation Environment: Industrial control cabinets and automation panels
Protection Rating: IP20
Mounting Position: Standard DIN rail installation
Dimensions & Weight
Dimensions (L × W × H): 124.6 × 107.6 × 59.5 mm
Weight: 0.28 kg
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