Brand : Schneider Electric
Item Name : Compact Smart Relay
Model : SR2B202BD
Rated Supply Voltage : 24 V DC
Ambient Air Temperature For Storage : -40-70 °C
Connections - Terminals : Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) semi-solid, screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) solid, screw terminals, 1 x 0.25...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable end, screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) solid, screw terminals, 2 x 0.25...2 x 0.75 mm² (AWG 24...AWG 18) flexible with cable end
IP Degree Of Protection : IP20 (terminal block) conforming to IEC 60529, IP40 (front panel) conforming to IEC 60529
Load Current : 0.5-0.625 A transistor output
Operating Altitude : 2000 m
Output Voltage : 24 V transistor output
Output Voltage Limits : 19.2...30 V DC (transistor output)
Overvoltage Category : III conforming to EN/IEC 60664-1
Pollution Degree : 2 Conforming to EN/IEC 61131-2
Power Dissipation in W : 3 W without extension
Tightening Torque : 0.5 N.m
Certifications : GOST, UL, CSA, C-Tick, GL
Range Of Product : Zelio Logic
Relative Humidity : 95-95 % without condensation or dripping water
Short-circuit Protection : With transistor output
Supply Voltage Limits : 19.2-30 V
Contacts Type And Composition : NO for relay output
Number Or Control Scheme Lines : 0-240 with ladder programming, 0-500 with FBD programming
Clock Drift : 12 min/year at 0-55 °C, 6 s/month at 25-25 °C
Immunity To Microbreaks : 1 ms
Discrete Input Current : 4 mA
Current State 1 Guaranteed : >= 1.2 mA (IB...IG used as discrete input circuit), >= 2.2 mA (I1...IA and IH...IR discrete input circuit)
Voltage State 1 Guaranteed : >= 15 V for I1...IA and IH...IR discrete input circuit, >= 15 V for IB...IG used as discrete input circuit
Maximum Altitude Transport : 3048 m
Cycle Time : 6-90 ms
Checks : Program memory on each power-up
Disturbance Radiated/conducted : Class B conforming to EN 55022-11 group 1
Output Thermal Current : 8 A for all 4 outputs for relay output
Discrete Input Voltage : 24 V DC
Backup Time : 10 years at 25 °C
Clock : With
Local Display : With
Voltage State 0 Guaranteed : <= 5 V for I1...IA and IH...IR discrete input circuit, <= 5 V for IB...IG used as discrete input circuit
Current State 0 Guaranteed : <= 0.5 mA (IB...IG used as discrete input circuit), <= 0.75 mA (I1...IA and IH...IR discrete input circuit)
Discrete Input Number : 12 conforming to EN/IEC 61131-2 type 1
Input Compatibility : 3-wire proximity sensors PNP for discrete input
Discrete Input Type : Resistive
Temperature Probe Type : NTC 10k at 25 °C, NTC 1000k at 25 °C, KTY81 210/220/221/222/250, Pt 500
Input Compatibility : 3-wire proximity sensors PNP for discrete input
Discrete Input Type : Resistive
Analogue Input Resolution : 8 bits
Analogue Input Number : 6
Analogue Input Type : Common Mode
Repeat Accuracy : +/- 2 % at 55 °C for analogue input circuit
Conversion Error : +/- 5 % at 25 °C for analogue input circuit, +/- 6.2 % at 55 °C for analogue input circuit
LSB Value : 39 mV for analogue input circuit
Reverse Polarity Protection : With
Maximum Permissible Voltage : 30 V for analogue input circuit
Analogue Input Range : 0...10 V, 0...24 V
Conversion Time : Smart relay cycle time for analogue input circuit
Operating Distance : 10 m between stations, with screened cable (sensor not isolated) for analogue input circuit
Counting Frequency : 1 kHz for discrete input
Overvoltage Protection : With overvoltage protection for transistor output
Residual Voltage : 2 V at state 1 transistor output
Ambient Air Temperature For Operation : -20-40 °C in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2, -20-55 °C conforming to IEC 60068-2-1 and IEC 60068-2-2
Standards : EN/IEC 61000-4-4 level 3, EN/IEC 60068-2-27 Ea, EN/IEC 61000-4-5, EN/IEC 61000-4-6 level 3, EN/IEC 61000-4-11, EN/IEC 61000-4-2 level 3, EN/IEC 61000-4-3, EN/IEC 61000-4-12, EN/IEC 60068-2-6 Fc
Environmental Characteristic : EMC directive conforming to EN/IEC 61000-6-2, EMC directive conforming to EN/IEC 61000-6-3, EMC directive conforming to EN/IEC 61000-6-4, EMC directive conforming to EN/IEC 61131-2 zone B, low voltage directive conforming to EN/IEC 61131-2
Input Impedance : 12 kOhm for IB...IG used as analogue input circuit, 12 kOhm for IB...IG used as discrete input circuit, 7.4 kOhm for I1...IA and IH...IR discrete input circuit
Weight : 0.28 kg