Overview
The Schneider SR3B261BD is a modular smart relay designed for flexible automation control in compact industrial applications. It provides programmable logic functions, relay outputs, and efficient control processing for machine automation, control panels, and building systems.
With its modular design and integrated control features, it helps simplify system configuration, reduce wiring complexity, and improve overall automation performance.
General Information
Part Number: SR3B261BD
Brand: Schneider Electric
Country of Origin: France
Series: Zelio Logic
Type: Modular Smart Relay
Application: Machine control, industrial automation, and small electrical control systems
Mounting: DIN rail installation
Programming Method: Function block programming and relay logic configuration
Features: Integrated timers, counters, logic operations, scheduling functions, diagnostics, and expandable control options
Power Specifications
Supply Voltage: 24 V DC
Rated Supply Type: Industrial DC control power
Power Consumption: Low-power operation for compact automation systems
Protection: Built-in electrical protection for reliable performance
Status Indicators: LED indicators for power, operation, and fault status
Memory Backup: Internal memory retention for user programs and settings
Communication & Interface
Input Type: Digital inputs for sensors, switches, and control devices
Output Type: Relay outputs for actuator and load switching
Programming Interface: PC-based programming connection
Communication: Supports configuration and monitoring through dedicated software tools
Control Functions: Logic processing, timers, counters, comparison functions, and scheduling operations
User Interface: Integrated display and keypad for local setup and diagnostics
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 protected electrical enclosures
Protection Rating: IP20
Dimensions & Weight
Dimensions (L × W × H): 124.6 × 107.6 × 59.5 mm
Weight: 0.4 kg
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