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MSI-SR-LC21-01 Safety relay

MSI-SR-LC21-01
This safety relay is designed for monitoring E-Stop circuits, optoelectronic protective devices, position switches, solenoid switches, and transponder switches. It features start/restart interlock and contactor monitoring functions, with both automatic and manual restart options. It is certified to SIL 3 and Performance Level e standards.
  • SKU
    2110-50133008
  • Manufacturer code
    50133008
  • Model
    Basic device
  • Rail mounting possible
    true
  • Type of electric connection
    Clip connection
  • Voltage type (supply voltage)
    AC/DC
  • Supply voltage AC 50 Hz
    24 - 24 V
  • Supply voltage AC 60 Hz
    24 - 24 V
  • Suitable for monitoring of emergency-stop circuits
    false
  • Suitable for monitoring of valves
    false
  • Suitable for monitoring of optoelectronic protection equipment
    true
  • Suitable for monitoring of tactile sensors
    false
  • Suitable for monitoring of magnetic switches
    false
  • Suitable for monitoring of proximity switches
    false
  • Evaluation inputs
    2-channel
  • Power consumption
    2 W
  • With start input
    true
  • With muting function
    false
  • With feedback circuit
    true
  • Type of control voltage 1
    AC
  • Number of outputs, safety related, undelayed, with contact
    2
  • Number of outputs, safety related, delayed, with contact
    0
  • Number of outputs, safety related, delayed, semiconductors
    0
  • Number of outputs, signalling function, undelayed, with contact
    1
  • Number of outputs, signalling function, delayed, semiconductors
    0
  • Voltage type (operating voltage)
    AC/DC
  • Operating voltage AC 50 Hz
    24 - 24 V
  • Operating voltage AC 60 Hz
    24 - 24 V
  • Rated switch current
    6 A
  • Type of safety according to IEC 61496-1
    None
  • Stop category according to IEC 60204
    Other
  • Performance level according to EN ISO 13849-1
    Level e
  • SIL according to IEC 61508
    3
  • With approval for BG BIA
    false
  • With approval according to UL
    false
  • Width
    22.5 mm
  • Height
    96.5 mm
  • Depth
    114 mm
  • Most suitable applications
    E-Stop circuits Optoelectronic protective devices Position switches (mechanical contacts) Solenoid switches (reed contacts, equivalent) Transponder switches (OSSD outputs) Safety door applications
  • Ambient temperature, operation (°C)
    -25 ... 55
  • Type of switch function
    2 NO contacts + 1 NC contact
  • Performance Level (PL)
    e
  • Category
    4
  • ISO Standard
    EN ISO 13849-1
  • Manufacturer Leuze

Product attachments

DS_MSI-SR-LC21-01_eng_50133008 (LINK)

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