Schneider SR2B121BD Electrical Timer Controller, SR12 IO, 24 V, Black

Features:

• range of product: Zelio Logic
• product or component type: Compact smart relay, Complementary
• local display: With
• number or control scheme lines: 0…240 with ladder programming, 0…500 with FBD 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
• [Us] rated supply voltage: 24 V DC
• supply voltage limits: 19.2…30 V
• maximum supply current: 100 mA (without extension)
• power dissipation in W: 3 W without extension
• reverse polarity protection: With
• discrete input number: 8 conforming to EN/IEC 61131-2 type 1
• discrete input type: Resistive
• discrete input voltage: 24 V DC
• discrete input current: 4 mA
• counting frequency: 1 kHz for discrete input
• 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
• 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 1 guaranteed: >= 1.2 mA (IB.IG used as discrete input circuit), >= 2.2 mA (I1.IA and IH.IR 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)
• input compatibility: 3-wire proximity sensors PNP for discrete input
• analogue input number: 4
• analogue input type: Common mode
• analogue input range: 0.10 V, 0.24 V
• maximum permissible voltage: 30 V for analogue input circuit
• analogue input resolution: 8 bits
• LSB value: 39 mV for analogue input circuit
• conversion time: Smart relay cycle time for analogue input circuit
• conversion error: +/- 5 % at 25 °C for analogue input circuit, +/- 6.2 % at 55 °C for analogue input circuit
• repeat accuracy: +/- 2 % at 55 °C for analogue input circuit
  operating distance: 10 m between stations, with screened cable (sensor not isolated) for analogue input circuit
• 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
• number of outputs: 4 relay
• output voltage limits: 24.250 V AC (relay output), 5.30 V DC (relay output)
• contacts type and composition: NO for relay output
• output thermal current: 8 A for all 4 outputs for relay output
• electrical durability: AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1
• AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to EN/IEC 60947-5-1
• DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1
• DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to EN/IEC 60947-5-1
• switching capacity in mA: >= 10 mA at 12 V (relay output)
• operating rate in Hz: 0.1 Hz (at Ie) for relay output, 10 Hz (no load) for relay output
• mechanical durability: 10000000 cycles for relay output
• [Uimp] rated impulse withstand voltage: EN/IEC 60947-1 and EN/IEC 60664-1 4 kV
  clock: With
• response time: 10 ms (from state 0 to state 1) for relay output
• 5 ms (from state 1 to state 0) for relay output
• 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
• tightening torque: 0.5 N.m
• overvoltage category: III conforming to EN/IEC 60664-1
• net weight: 0.25 kg

• Product Length (cm): 8.8
• Package Quantity: 1
• Electricals Type: Electrical Timers
• Product Size: One Size
• Voltage: 24 V
• Color Name: White
• Model Number: SR2B121BD
• Product Width (cm): 10
• Tools Brand: Schneider
• Product Weight (grams): 250
• Product Height (cm): 6.8