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Schneider Electric ZB4BS944K2123E — Emergency Stop Pushbuttons

Schneider Electric ZB4BS944K2123E

MPNZB4BS944K2123E
Obsolete

Head for emergency switching off push button, Harmony XB4, red mushroom 40mm, 22mm trigger/latching key release, special key 2123E

StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

Identification

ZB4BS944K2123E — Identification
ParameterValue
Product typeHead for emergency switching off push-button
Product rangeHarmony XB4
Device short nameZB4
Operator profileRed mushroom Ø 40 mm, unmarked

Function & Operation

ZB4BS944K2123E — Function & Operation
ParameterValue
Signaling head shapeRound

Switching & Contacts

ZB4BS944K2123E — Switching & Contacts
ParameterValue
Mechanical durability (cycles)300000 cycles

Mechanical

ZB4BS944K2123E — Mechanical
ParameterValue
Mounting diameter22 mm

Environmental

ZB4BS944K2123E — Environmental
ParameterValue
IP protection ratingIP66 conforming to IEC 60529 IP67 IP69 IP69K
Operating temperature range-40...70 °C
Storage temperature range-40...70 °C
Vibration resistance5 gn (f= 2...500 Hz) conforming to IEC 60068-2-6
Shock resistance30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27 50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27

Approvals & Standards

ZB4BS944K2123E — Approvals & Standards
ParameterValue
Standards / approvalsIEC 60947-5-5 GB 14048.5 IEC 60364-5-53 IEC 60947-5-4 IEC 60947-1 IEC 60204-1 CSA C22.2 No 14 JIS C8201-5-1 IEC 60947-5-1 ISO 13850 UL 508 JIS C8201-1
MPN
ZB4BS944K2123E