Recently searched

    Siemens Single Channel 24V dc Safety Relay, 2 Safety Contacts

    RS Stock No.:
    411-2157
    Mfr. Part No.:
    3TK2827-1BB40
    Brand:
    Siemens
    Siemens
    View all Safety Relays
    Discontinued product

    Alternatives

    This product is not currently available. Here are our alternative recommendations.

    Siemens Single Channel 24V dc Safety Relay, 2 Safety Contacts
    RS Stock No.
    528-0920

    Price Each

    £315.08

    (exc. VAT)

    £378.10

    (inc. VAT)

    RS Stock No.:
    411-2157
    Mfr. Part No.:
    3TK2827-1BB40
    Brand:
    Siemens

    Legislation and Compliance


    Product Details

    SIRIUS 3TK28 27/28 Safety Relays with Timed Delay


    The SIRIUS 3TK28 27/28 Safety Relays with Timed Delay provide the functionality of time delayed contacts within a 45mm housing. The time delay is adjustable for each unit. Two different types offer a time delay from 0.05s up to 3s or 0.5s up to 30s. While standard safety contacts in these units are certified up to Category 4, time delayed outputs only reach a Category 3 level according to EN954-1.


    Standard relay enable circuits (positively driven)
    Suitable for use with Expansion module 3TK28 30
    Single/two-channel sensor connection
    Width 45mm


    Standards

    EN 60204-1, EN 92, EN 954-1.


    Specifications

    AttributeValue
    Supply Voltage24V dc
    Number of Channels1
    Safety Contacts2
    FunctionSpeed/Standstill Monitoring
    Auxiliary Contacts1
    Reset MethodMonitored
    RangeSIRIUS
    Terminal TypeScrew
    Width44.8mm
    Depth120mm
    Series3TK28
    Performance Levele
    Length138.5mm
    Safety Category4
    Discontinued product

    Alternatives

    This product is not currently available. Here are our alternative recommendations.

    Siemens Single Channel 24V dc Safety Relay, 2 Safety Contacts
    RS Stock No.
    528-0920

    Price Each

    £315.08

    (exc. VAT)

    £378.10

    (inc. VAT)