Schneider SR3B261BD Modular Smart Relay

Specifications

• Range of Product: Zelio Logic

• Product Type: Modular smart relay

Complementary

• Local Display: With

• Control Scheme Lines:

• 0…500 (FBD programming)

• 0…240 (Ladder programming)

• Cycle Time: 6…90 ms

• Backup Time: 10 years at 25 °C

• Clock Drift:

• 12 min/year at 0…55 °C

• 6 s/month at 25 °C

• Checks: Program memory on each power up

Power

• Rated Supply Voltage [Us]: 24 V DC

• Supply Limits: 19.2…30 V

• Max Current:

• 190 mA (without extension)

• 300 mA (with extension)

• Power Dissipation:

• 6 W (without extension)

• 10 W (with extension)

• Protection: Reverse polarity

Inputs

• Discrete Inputs: 16, resistive, IEC 61131-2 Type 1

• Voltage: 24 V DC

• Current: 4 mA

• Counting Frequency: 1 kHz

• State Levels:

• High ≥ 15 V / ≥ 2.2 mA

• Low ≤ 5 V / ≤ 0.75 mA

• Compatibility: 3-wire PNP proximity sensors

• Analogue Inputs: 6, common mode

• Ranges: 0…10 V, 0…24 V

• Supported Probes: NTC 10k/1000k, KTY81 series, Pt500

• Resolution: 8 bits (39 mV LSB)

• Error: ±5% (25 °C), ±6.2% (55 °C)

• Repeat Accuracy: ±2% (55 °C)

• Input Impedance: 7.4–12 kΩ

Outputs

• Relay Outputs: 10 NO

• Voltage Limits: 24…250 V AC, 5…30 V DC

• Thermal Current: 5–8 A

• Durability: 500k cycles (AC/DC), 10M mechanical cycles

• Response Time: 5–10 ms

• Switching Capacity: ≥ 10 mA at 12 V

• Operating Rate:

• 0.1 Hz (at Ie)

• 10 Hz (no load)

• Impulse Withstand: 4 kV

Connections

• Terminals: Screw type (0.2–2.5 mm², AWG 25–14)

• Torque: 0.5 N·m

Environment

• Certifications: UL, CSA, GL, C-Tick, GOST

• Standards: IEC 61131-2, IEC 61000 (EMC), IEC 60068 (environment)

• Protection: IP20 (terminals), IP40 (front)

• Pollution Degree: 2

• Operating Temp: -20…55 °C

• Storage Temp: -40…70 °C

• Humidity: 95% non-condensing

• Altitude: Up to 2000 m (operation), 3048 m (transport)

• Product Weight: 0.4 kg