Zelio Logic | Schneider | SR3B101BD SR3 Logic Controller+Real Clock+Display Panel SN9T

Product Description: Schneider Electric SR3B101BD

The Schneider Electric SR3B101BD is a compact programmable relay from the Zelio Logic series. It features 6 digital inputs and 4 relay outputs, operating on a 24 V DC power supply. This model is designed without a built-in display, making it ideal for OEM and embedded applications where programming is done via external software. It provides simple automation for small machines and control systems.

Key Features

• Total I/O: 10 points (6 digital inputs, 4 relay outputs)
• Power supply: 24 V DC
• Output type: Relay
• No integrated display or keypad
• Programming via Zelio Soft software (PC interface required)
• Compact housing for DIN rail or panel mounting
• Retentive memory for logic retention during power loss
• Logic processing capability: timers, counters, comparators, and logic functions

Technical Specifications

• Input voltage range: 20.4 to 28.8 V DC
• Input type: Discrete (24 V DC sink/source compatible)
• Output contact rating: 8 A at 250 V AC per output
• Program memory: EEPROM, 100 blocks max
• Cycle time: 6 to 90 ms depending on logic size
• Backup battery life: Up to 10 years
• Operating temperature: 0°C to +55°C
• Storage temperature: -20°C to +70°C
• Protection rating: IP20 (IP40 front panel if mounted)
• Mounting: 35 mm DIN rail or screw mounting
• Dimensions (W x H x D): 71 mm x 90 mm x 60 mm
• Weight: Approximately 0.28 kg

Application Areas

• Small machines and automation systems
• Lighting and gate control
• HVAC and building automation
• Pump and fan control
• Compact electrical panels

Advantages

• Simple to program and configure
• Reliable operation in compact form factor
• Cost- effective solution for basic automation
• Expandable with additional I/O modules (Zelio extensions)
• Long service life with EEPROM program memory