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Datasheet generated 2026-10-07
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Mushroom button, spring-return, black 1NO (XB4BC21)

Schneider Electric · Control & Automation · Pushbuttons & Pilot Lights · France · se.com
Part Number
XB4BC21  ·  HS 8536.50
Mushroom button, spring-return, black 1NO (XB4BC21)

Schneider Electric XB4BC21 — Harmony XB4 22 mm command actuator. Metal or plastic 22 mm cutout push-button, selector or indicator. Mushroom button, spring-return, black, 1NO.

Technical Specifications

Manufacturer part number (MPN)XB4BC21
EAN / GTIN3389110118865
Sales unitpcs
Package quantity42 pcs
Contact configuration1 NO
Range of productHarmony XB4
Device short nameXB4
Product or component typePush-button
Bezel materialChromium plated metal
Fixing collar materialZamak
Mounting diameter22.5 mm
Sale per indivisible quantity1
Shape of signaling unit headRound
Type of operatorspring return
Operator profileBlack mushroom Ø 40 mm, unmarked
Head typeStandard
Contacts type and composition1 NO
Contact operationSlow-break
Connections - terminalsScrew clamp terminals, <= 2 x 1.5 mm² with cable end conforming to IEC 60947-1; Screw clamp terminals, 1 x 0.22...2 x 2.5 mm² without cable end conforming to IEC 60947-1
Height46.5 mm
Width40 mm
Depth81.5 mm
Product weight0.122 kg
Resistance to high pressure washer7000000 Pa at 55 °C, distance : 0.1 m
Contacts usageStandard contacts
Positive openingWithout
Operating travel2.6 mm (NO changing elec

Properties

MOQ1

Cross-References

Attached Documents