SR2B121B

Telemecanique - compact smart relay Zelio Logic - 12 I O - 24 V AC - clock - display

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Description: compact smart relay Zelio Logic - 12 I O - 24 V AC - clock - display
Product weight: 0.55 lb(US) (0.25 kg)
Range of product: Zelio Logic
IP degree of protection: IP20 (terminal block) conforming to IEC 60529, IP40 (front panel) conforming to IEC 60529
Standards: EN/IEC 61000-4-4 level 3, EN/IEC 60068-2-27 Ea, EN/IEC 61000-4-5, EN/IEC 60068-2-6 Fc, EN/IEC 61000-4-12, EN/IEC 61000-4-11, EN/IEC 61000-4-6 level 3, EN/IEC 61000-4-2 level 3, EN/IEC 61000-4-3
[Uimp] rated impulse withstand voltage: 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1
Operating altitude: 6561.68 ft. (2000 m)
Mechanical durability: 10000000 cycles (relay output)
Tightening torque: 4.42 lbf.in (0.5 N.m)
Connections - terminals: Screw terminals, clamping capacity: 1 x 0.2...1 x 2.5 mm AWG 25...AWG 14 semi-solid, Screw terminals, clamping capacity: 1 x 0.2...1 x 2.5 mm AWG 25...AWG 14 solid, Screw terminals, clamping capacity: 1 x 0.25...1 x 2.5 mm AWG 24...AWG 14 flexible with cable end, Screw terminals, clamping capacity: 2 x 0.2...2 x 1.5 mm AWG 24...AWG 16 solid, Screw terminals, clamping capacity: 2 x 0.25...2 x 0.75 mm AWG 24...AWG 18 flexible with cable end
Electrical durability: 500000 cycles AC-12at 230 V, 1.5 Afor relay output conforming to EN/IEC 60947-5-1, 500000 cycles AC-15at 230 V, 0.9 Afor relay output conforming to EN/IEC 60947-5-1, 500000 cycles DC-12at 24 V, 1.5 Afor relay output conforming to EN/IEC 60947-5-1, 500000 cycles DC-13at 24 V, 0.6 Afor relay output conforming to EN/IEC 60947-5-1
[Us] rated supply voltage: 24 V
Overvoltage category: III conforming to EN/IEC 60664-1
Relative humidity: 95 % without condensation or dripping water
Protection type: Against inversion of terminals (control instructions not executed)
Response time: 10 ms (from state 0 to state 1) relay output, 5 ms (from state 1 to state 0) relay output, 50 ms with ladder programming (from state 0 to state 1) discrete input, 50 ms with ladder programming (from state 1 to state 0) discrete input, 50...255 ms with FBD programming (from state 0 to state 1) discrete input, 50...255 ms with FBD programming (from state 1 to state 0) discrete input
Local display: With
Immunity to micro breaks: <= 10 ms repeated 20 times
Product or component type: Compact smart relay
Number or control scheme lines: 0...500 with FBD programming, 0...240 with ladder programming
Product certifications: CSA, UL, GOST, GL, C-Tick
Cycle time: 6...90 ms
Backup time: 10 years at 77 F (25 C)
Clock drift: 6 s/month at 77 F (25 C), 12 min/year at 32...131 F (0...55 C)
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
Checks: Program memory on each power up

Disturbance radiated/conducted: Class B conforming to EN 55022-11 group 1
Pollution degree: 2 conforming to EN/IEC 61131-2
Supply voltage limits: 20.4...28.8 V
Ambient air temperature for operation: -4...104 F (-20...40 C) in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2, -4...131 F (-20...55 C) conforming to IEC 60068-2-1 and IEC 60068-2-2
Supply frequency: 50/60 Hz
Ambient air temperature for storage: -40...158 F (-40...70 C)
Supply current: 145 mA (without extension)
power consumption in VA: 4 VA without extension
Altitude transport: <= 10000 ft. (3048 m)
Isolation voltage: 1780 V
Discrete input number: 8
Discrete input voltage: 24 V AC
Discrete input current: 4.4 mA
Discrete input frequency: 57...63 Hz, 47...53 Hz
Voltage state 1 guaranteed: >= 14 Vfor discrete input
Voltage state 0 guaranteed: <= 5 V for discrete input
Current state 1 guaranteed: >= 2 mA for discrete input
Current state 0 guaranteed: <= 0.5 mA for discrete input
Input impedance: 4.6 kOhm (discrete input)
Number of outputs: 4 relay output(s)
Output voltage limits: 24...250 V AC, 5...30 V DC (relay output)
Contacts type and composition: NO relay output
Output thermal current: 8 A for all 4 outputs (relay output)
switching capacity in mA: >= 10 mAat 12 V (relay output)
operating rate in Hz: 0.1 Hz (at Ie)for relay output, 10 Hz (no load)for relay output
Clock: With

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