Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEL5GCY  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Schneider Electric Harmony XB4 Series Key Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, SPDT
Schneider Electric
Schneider Electric Harmony XB4 Series Key Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, SPDT
Part No.
XB4BS9445
Procurement Intelligence
The Harmony XB4 series is a panel-mounted emergency stop push button designed for industrial control panels and machinery safety applications. This 22mm cutout unit features key-release actuation to prevent accidental restart, rated for 600V AC/DC operation. Critical verification: confirm SPDT vs. stated DPST contact configuration discrepancy before procurement.
Industrial emergency stop control
Before ordering — verify:
Contact configuration mismatch
Key release mechanism
Panel cutout compatibility
Technical Specifications
Mounting TypePanel Mount
Cutout Diameter22mm
Contact ConfigurationSPDT
Push Button ActuationKey Release
IlluminatedNo
SeriesHarmony XB4
ColourRed
Voltage Rating600 V ac, 600V dc
Depth43mm
Width46.5mm
Push Button MaterialPlastic
Pole and Throw ConfigurationDPST
Push Button MaterialPlastic
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/electrical-items/switches/push-button-switches-components/emergency-stop-push-buttons/schneider-electric-harmony-xb4-series-key-release-emergency-stop-push-button-panel-mount-22mm-cutout-spdt?mal=6617e37e3db68cec4548160e
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.