SR2B121B

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

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SR2B121B

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

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SR2B121B
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compact smart relay Zelio Logic - 12 I O - 24 V AC - clock - display

Description

This product is part of the Zelio Logic range, an offer of smart relays for simple automation systems from 10 to 40 I/Os. The compact smart relay provides a real alternative to solutions based on cabled logic or specific cards. It comes with display and clock. Checks program memory on each power up and 0 to 240 with ladder programming number or control scheme lines. Easy to use, Zelio Logic provides a real alternative to solutions based on cabled logic or specific cards It offers 4 relay outputs with normally opened contact and 8 discrete inputs. It is a smart relay with a rated supply voltage of 24V AC, a maximum supply current of 145mA (without extension) and a power consumption of 4VA without extension. It is an IP20 and IP40 rated product. It weighs 0.25kg. This product meets EN/IEC 61000-4-3, EN/IEC 61000-4-4 level 3, EN/IEC 61000-4-11, EN/IEC 60068-2-27 Ea, EN/IEC 61000-4-5, EN/IEC 61000-4-6 level 3, EN/IEC 61000-4-2 level 3, EN/IEC 60068-2-6 Fc and EN/IEC 61000-4-12 standards. Simple to select, install and program, Zelio Logic is suitable for all your applications. Flexible, it offers you the choice of 2 ranges, compact or modular, extendable and 2 programming languages (FBD or LADDER). Easy to use, Zelio Logic provides a real alternative to solutions based on cabled logic or specific cards.

Product details

  • [uimp] Rated Impulse Withstand Voltage
    4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1
  • [us] Rated Supply Voltage
    24 V AC
  • Ambient Air Temperature for Operation
    -20-40 °C in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2
  • Ambient Air Temperature for Storage
    -40-70 °C
  • Contacts Type and Composition
    NO 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
  • Environmental Characteristic
    EMC directive conforming to EN/IEC 61000-6-2
  • Ip Degree of Protection
    IP20 (terminal block) conforming to IEC 60529
  • Mechanical Durability
    10000000 cycles for relay output
  • Net Weight
    0.25 kg
  • Number of Outputs
    4 relay
  • Overvoltage Category
    III conforming to EN/IEC 60664-1
  • Pollution Degree
    2 conforming to EN/IEC 61131-2
  • Product Certifications
    C-Tick
  • Product or Component Type
    compact smart relay
  • Protection Type
    against inversion of terminals (control instructions not executed)
  • Range of Product
    Zelio Logic
  • Relative Humidity
    95-95 % without condensation or dripping water
  • Response Time
    50 ms with ladder programming (from state 0 to state 1) for discrete input
  • Standards
    EN/IEC 61000-4-3
  • Tightening Torque
    0.5 N.m
  • Connections - Terminals
    screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) semi-solid
  • Analogue Input Number
    0
  • Backup Time
    10 years at 25 °C
  • Checks
    program memory on each power up
  • Clock
    with
  • Clock Drift
    12 min/year at 0-55 °C
  • Current State 0 Guaranteed
    <= 0.5 mA (discrete input)
  • Current State 1 Guaranteed
    >= 2 mA (discrete input)
  • Cycle Time
    6-90 ms
  • Discrete Input Current
    4.4 mA
  • Discrete Input Frequency
    57...63 Hz
  • Discrete Input Number
    8
  • Discrete Input Voltage
    24 V AC
  • Disturbance Radiated/conducted
    class B conforming to EN 55022-11 group 1
  • Immunity to Microbreaks
    10 ms repeated 20 times
  • Input Impedance
    4.6 kOhm for discrete input
  • Isolation Voltage
    1780 V
  • Local Display
    with
  • Maximum Altitude Transport
    3048 m
  • Maximum Supply Current
    145 mA (without extension)
  • Number or Control Scheme Lines
    0-240 with ladder programming
  • Operating Altitude
    2000 m
  • Operating Rate in Hz
    0.1 Hz (at Ie) for relay output
  • Output Thermal Current
    8 A for all 4 outputs for relay output
  • Output Voltage Limits
    5...30 V DC (relay output)
  • Power Consumption in Va
    4 VA without extension
  • Supply Frequency
    50/60 Hz
  • Supply Voltage Limits
    20.4-28.8 V
  • Switching Capacity in Ma
    >= 10 mA at 12 V (relay output)
  • Voltage State 0 Guaranteed
    <= 5 V for discrete input
  • Voltage State 1 Guaranteed
    >= 14 V for discrete input
more specification
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