Overview
The Schneider SR3B261FU is a modular smart relay designed for efficient control of compact automation systems. It provides programmable logic functions, relay outputs, and flexible configuration options for machine control, industrial equipment, and building automation applications.
Its integrated control capabilities and modular structure help simplify electrical design, reduce installation time, and improve system reliability.
General Information
Part Number: SR3B261FU
Brand: Schneider Electric
Country of Origin: France
Series: Zelio Logic
Type: Modular Smart Relay
Application: Machine automation, control panels, and compact industrial control systems
Mounting: DIN rail installation
Programming Method: Function block programming and relay logic configuration
Features: Integrated timers, counters, logic functions, scheduling, diagnostics, and user program memory
Power Specifications
Supply Voltage: 100-240 V AC
Rated Frequency: 50/60 Hz
Power Consumption: Low-power operation for compact automation applications
Protection: Built-in electrical protection for stable operation
Status Indicators: LED indicators for power, operation, and diagnostic status
Memory Backup: Internal memory retention for programs and configuration settings
Communication & Interface
Input Type: Digital inputs for connection with sensors, switches, and control devices
Output Type: Relay outputs for actuator and load control
Programming Interface: PC-based connection for setup and programming
Communication: Supports configuration, monitoring, and parameter adjustment through programming software
Control Functions: Logic operations, timers, counters, comparison functions, and scheduling control
User Interface: Integrated display and keypad for local configuration 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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