Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K
Schneider Electric

Schneider Electric ZB4BS844 Harmony XB4 Emergency Stop Head, 40mm Red Mushroom, IP66/IP67/IP69K

  • MPN: ZB4BS844
  • PPN: SCH-ZB4BS844
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  • CAD

    $77.22

    / EA

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    Spec sheet

    Description

    Harmony 22 mm modular push buttons, selector switches, pilot lights are designed for industry. This range combines simplicity of setup, flexibility and a robust construction. An ingenious locking system consisting of a snap fit head and body that can be tightened with a single screw but still ensuring an easy and yet secure mounting. Harmony XB4/ZB4 are 22 mm chromium plated metal modular push buttons, selector switches and pilot lights connecting to fully metal mounting collar. The operators can be purchased as complete operators or various modules that can be assembled to meet the user’s specific requirement. Harmony XB5/ZB5 are 22 mm plastic modular push buttons, selector switches, pilot lights. The operator can have a round and square plastic bezel. It is designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery. The contacts can be used for low load electrical contact and high power applications. Shake proof connection screws make periodic retightening unnecessary. A complete set of accessories to provide a solution for applications where exposure to high pressure cleaning, dust and extreme temperatures is an everyday occurrence. These harmony 22mm push buttons are used by machine manufacturers (automotive, textiles, timber) and control system panel builders. Certified and approved for meeting requirements throughout all continents: EN/IEC, UL, NEMA, CSA, CCC, Gost, JIS and many more. They have UL and CE markings and have ratings up to IP66 and IP69K.

    Features

    • The ZB4BS844 is a high-performance, 40mm "Mushroom Head" Emergency Stop (E-Stop) operator from the Schneider Electric Harmony XB4 metal range. It features a Trigger Action design with a Turn-to-Release mechanism, ensuring that the machine stays stopped until the operator manually resets the button by twisting it.
    • This unit is engineered with "Trigger Action" (also known as "tease-proof") functionality. This means the internal electrical contacts will not change state until the button is fully latched in the depressed position. This prevents a machine from stopping and then immediately restarting if the button is only partially pushed, meeting strict ISO 13850 safety standards.
    • Built with a robust chromium-plated metal bezel, the ZB4BS844 is designed for the most demanding environments. It is rated IP66, IP67, IP69, and IP69K, making it completely dust-tight and resistant to high-pressure, high-temperature washdowns ideal for food processing, automotive, and heavy industrial applications.
    • The mushroom head is a vibrant, non-fading red, providing immediate visibility for operators. While this part number is the operator head only, it is designed to be paired with a yellow "Emergency Stop" legend plate and the ZB4BZ009 mounting collar to ensure it is clearly identifiable and compliant with global safety color-coding regulations.
    • As part of the modular XB4 system, this head requires a mounting collar (ZB4BZ009) and contact blocks (typically ZBE102 for Normally Closed/NC logic) to become a functional switch. Its "snap-fit" mounting system allows for quick assembly and easy replacement of the head without disturbing the underlying wiring.

    Documentation & Downloads

    Specifications

    Key Specifications

    Country of Origin
    Czechia, France, United States

    Physical Attributes

    Cad Overall Depth
    57 mm
    Cad Overall Width
    40 mm
    Cad Overall Height40 mm

    Important Information Attributes

    Persona Type Ids
    BM9, EU, LC, OM, OM8, PB, SC, SI, VR
    Market Segmentation Id
    COMMERCIAL, INDUSTRIAL
    Bezel Material
    chromium plated metal, chromium plated metal
    Electrical Composition Code
    C7 4 single front mountingC8 4 single and double front mountingC11 3 single front mountingC15 1 single front mounting, C10 4 single and double front mounting
    Operator Profile 1 Operator Profile
    mushroom Ø 40 mm
    Carbon Footprint Of The Distribution Phase [A4]
    0.0094186913, 0 kg CO2 eq.
    Carbon Footprint Of The Installation Phase [A5]
    0 kg CO2 eq., 0.0003159341
    Carbon Footprint Of The Use Phase [B2 B3 B4 B6]
    kg CO2 eq., 0
    Local Publishable Date
    2026-03-26
    Stocking Flag
    N
    Weee Scope
    Out
    Eoli Availability Display
    Yes
    Reach Full Compliance Status
    Free of Substances of Very High Concern above the threshold
    Reach Compliance Directive
    Free of Substances of Very High Concern above the threshold
    Rohs Eur Status
    Compliant
    Rohs Eur Full Compliance Status
    Compliant
    China Rohs Label
    1
    Without Single Use Plastic
    No
    Tier Id
    1
    Function Option Id
    STANDARD
    Product Kit Identifier
    N
    Average Percentage Of Recycled Plastic Content
    12 %
    Device Short Name
    ZB4
    Group Of Product
    emergency stop turn to release
    Main Group
    E-stop
    Mechanical Durability
    300000 cycles
    Product Availability
    Stock - Normally stocked in distribution facility
    Protective Treatment
    TH
    Reset
    turn to release
    Sale Per Indivisible Quantity
    1
    Shock Resistance
    30 gn 18 ms) half sine wave acceleration IEC 60068-2-2750 gn 11 ms) half sine wave acceleration IEC 60068-2-27
    Sustainable Packaging
    No
    Type Of Operator
    trigger action and mechanical latching
    Operator Profile 1 Marking
    unmarked
    Database Version
    2016-11
    Pcr Version
    PCR-ed3-EN-2015 04 02
    Type Of Verification For The Pep
    Independent internal review
    Functional-unit Description
    Emergency stop push button which helps to shut off machinery in an emergency situation when there is a risk of injury or the workflow requires stopping. Product meets the international standards as EN/IEC 60947-1 and EN/IEC 60204 -1 during 20 years.
    Energy Model - Manufacturing [A1-a3]
    Energy model used: Pisek, Czech Republic
    Energy Model - Use [B6]
    Electricity mix; AC; 120V; US
    Recyclability Potential In %
    59
    Nbr. Of Units In Pkg.
    1
    Take-back
    No
    Customs Code
    8538908180
    Persona Type NamesCharge Point Operator, End User, Contractor, Original Equipment Manufacturer, OEM - Control Panelbuilder, Panel Builder, Electrician, System Integrator, IT Channel Partner
    Market SegmentationCommercial, Industrial
    Customizableno, 0
    Operator Profilered mushroom Ø 40 mm, unmarked, mushroom Ø 40 mm
    Certificate AgencyDNV, UL Listed, LROS (Lloyds register of shipping), BV, CSA
    Carbon Footprint Of The End-of-life Phase [C1 To C4]0.0084807076, 0 kg CO2 eq.
    Carbon Footprint Of The Manufacturing Phase [A1 To A3]0.8 kg CO2 eq., 0.7709110833
    Local Data StatusPublishable
    Return IndicatorY
    Stock Policy2
    Scope PerimeterAt least in Europe
    End Of Life Doc RefENVEOLI2201004EN
    Reach Full Compliance Status IdNOT_CONTAINING_SVHC
    Rohs Eur In ScopeNo
    Rohs Eur Conformity Date1930
    China Rohs In ScopeYes
    With Recycled CardboardNo
    Product Contributes To Saved And Avoided EmissionsNo
    Tier1
    Function OptionStandard
    Average Percentage Of Recycled Metal Content23 %
    Compatibility CodeZB4
    Electrical Shock Protection Classclass I conforming to IEC 61140
    Head Typestandard
    Markingunmarked
    Mounting Diameter22.5 mm
    Product Or Component Typehead for emergency switching off push-button
    Range Of ProductHarmony XB4
    ReturnabilityYes
    Shape Of Signaling Unit Headround
    Software VersionEIME v5.9.3
    Total Lifecycle Carbon Footprint0.8 kg CO2 eq.
    Vibration Resistance5 gn (f= 2-500 Hz) conforming to IEC 60068-2-6
    Pep CodeENVPEP2201004EN
    Pep Verification Date2022-12-01
    Psr VersionPSR-0005-ed2-EN-2016 03 29
    Data Sourceextrapolated product
    Reference Lifetime In Y20
    Energy Model - Installation [A5]Electricity mix; AC; 120V; US
    Energy Model - End Of Life [C1-c4]Electricity mix; AC; 120V; US
    Cap/Operator Or Lens Colourred
    Package Weight(Lbs)75.000 g
    Warranty (In Months)18

    Environment Attributes Main

    Ambient Air Temperature For Operation
    -40-70 °C, -40-70 °C
    Ip Degree Of Protection
    IP66 IEC 60529, IP69, IP69K, IP67
    Take Back
    No
    Recycled Metal Content At Cr Level
    23 %
    Toxic Heavy Metal Free
    Yes
    Carbon Footprint
    0.7891264163
    Environmental Disclosure
    ENVPEP2201004EN
    Packaging Made With Recycled Cardboard
    No
    Reach Free Of Svhc
    Yes
    Pep Code
    ENVPEP2201004EN
    Pcr Version
    PCR-ed3-EN-2015 04 02
    Type Of Verification For The Pep
    Independent internal review
    Ambient Air Temperature For Storage-40-70 °C, -40-70 °C
    Nema Degree Of ProtectionNEMA 13, NEMA 4X, NEMA 4, NEMA 12, UL type 4X/13
    Reach Free ShvcYes
    China Rohs RegulationX
    Mercury FreeYes
    Circularity ProfileENVEOLI2201004EN
    Eu Rohs DirectiveCompliant
    Packaging Without Single Use PlasticNo
    Reach RegulationFree of Substances of Very High Concern above the threshold
    Pep Verification Date2022-12-01
    Psr VersionPSR-0005-ed2-EN-2016 03 29

    General Attributes

    Product Or Component Type
    head for emergency switching off push-button
    Range Of ProductHarmony XB4

    ETIM

    ETIM 8
    EC001038
    ETIM 9EC001038

    Contractual Warranty Attributes

    Warranty Period
    18 months
    Warranty18 months

    Overview Attributes

    Device Presentation
    basic element
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