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Datasheet generated 2026-10-07
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Schneider Harmony XB4 Illuminated Push-Button Head, Projecting White, BA9s (ZB4BW11)

Schneider Electric · Control & Automation · Pushbuttons & Pilot Lights · France · se.com
Part Number
ZB4BW11  ·  HS 8538.90
Schneider Harmony XB4 Illuminated Push-Button Head, Projecting White, BA9s (ZB4BW11)

Schneider Electric ZB4BW11 is a Harmony XB4 head for an illuminated push-button, fitted with a projecting white operator, plain lens and a BA9s lamp base. The chromium-plated metal bezel has a 22.5 mm mounting diameter with spring-return action. Rated IP66/IP69/IP69K, operating temperature -40 to 55 °C, mechanical durability 10 million cycles, IK06 impact protection.

Technical Specifications

Manufacturer part number (MPN)ZB4BW11
EAN / GTIN3389110889741
Sales unitpcs
Package quantity50 pcs
Range of productHarmony XB4
Product or component typeHead for illuminated push-button
Device short nameZB4
Product compatibilityBA 9s
Bezel materialChromium plated metal
Head typeStandard
Mounting diameter22.5 mm
Sale per indivisible quantity1
Shape of signaling unit headRound
Type of operatorspring return
Operator profileWhite projecting, unmarked
Operator additional informationWith plain lens
Cap/operator or lens colourWhite
CAD overall width29 mm
CAD overall height29 mm
CAD overall depth32 mm
Product weight0.028 kg
Resistance to high pressure washer7000000 Pa at 55 °C, distance : 0.1 m
Mechanical durability10000000 cycles
Electrical composition codeM7 for <6 contacts using single blocks in front mounting with BA 9s; M8 for <6 contacts using single and double blocks in front mounting with BA 9s; M9 for <2 contacts using single blocks in front mounting with BA 9s and transformer
Device presentationBasic sub-assemblies
Protective treatmentTH
Ambient air temperature for storage-40…70 °C
Ambient air temperature for operation-40…55 °C
Overvoltage categoryClass I conforming to IEC 60536
IP degree of protectionIP66 conforming to IEC 60529; IP69; IP69K
Enclosure TypeUL type 4X/13
IK degree of protectionIK06 conforming to IEC 62262
StandardsJIS C8201-5-1; UL 508; IEC 60947-5-5; IEC 60947-1; CSA C22.2 No 14; IEC 60947-5-1; IEC 60947-5-4; JIS C8201-1
Product certificationsBV; CSA; DNV; LROS (Lloyds register of shipping); UL listed
Vibration resistance5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6
Shock resistance30 gn (duration = 18 ms) for half its wave acceleration conforming to IEC 60068-2-27; 50 gn (duration = 11 ms) for half its wave acceleration conforming to IEC 60068-2-27
Number of Units in Package 11
Number of Units in Package 250
Country of originCZ
Warranty (in months)18
Hole diameter22.5 mm
Colour buttonWhite
Suitable for lightingYes
Number of command positions1
Spring-returnYes
LabelledNo
Type of buttonHigh
Colour front ringChrome
Degree of protection (IP), front sideIP66
With protective coverNo
Material front ringMetal
With front ringYes
Construction type lensRound
Switching function latchingNo

Properties

MOQ1

Cross-References

Attached Documents