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Datasheet generated 2026-10-07
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Emergency stop Ø40 1NO+NC ATEX (XB4BT845GEX)

Schneider Electric · Control & Automation · Pushbuttons & Pilot Lights · France · se.com
Part Number
XB4BT845GEX  ·  HS 8536.50
Emergency stop Ø40 1NO+NC ATEX (XB4BT845GEX)

Schneider Electric XB4BT845GEX — Harmony XB4 22 mm command actuator. Metal or plastic 22 mm cutout push-button, selector or indicator.

Technical Specifications

Manufacturer part number (MPN)XB4BT845GEX
EAN / GTIN3606489486051
Sales unitpcs
Contact configuration1 NO + NC
Diameter40 mm
Range of productHarmony XB4
Product or component typeComplete emergency stop push-button
Device short nameXB4
Bezel materialChromium plated metal
Fixing collar materialZamak
Mounting diameter22 mm
Sale per indivisible quantity1
Dust zoneZone 21 - 22
Gas zoneZone 1 - 2
Type of operatortrigger action and mechanical latching
ResetPush-pull
Operator profileRed mushroom Ø 40 mm
Contacts type and composition1 NO + 1 NC
Width46.2 mm
Height30 mm
Depth96.5 mm
Product weight0.142 kg
Device mountingFixing hole - diameter: 22.5 mm +/- 0.2 mm conforming to IEC 60947-1
Fixing center>= 30 x 40 mm (support panel) - thickness: 1…6 mm
Embedding depth58 mm
MarkingII 2 GD; Ex tb IIIC Db; Ex db eb IIC Gb
Shape of signaling unit headRound
Contact operationSlow-break
Contacts usageStandard
Positive openingWith conforming to IEC 60947-5-1 appendix K
Mechanical durability5000000 cycles
Connections - terminalsScrew clamp terminals, 2 x 1.5 mm² with cable end conforming to IEC 60947-1; Screw clamp terminals, 1 x 2.5 mm² without cable end conforming to IEC 60947-1
Tightening torque0.8…1.2 N.m conforming to IEC 60947-1
[Ith] conventional free air thermal current10 A conforming to IEC 60947-5-1
[Ui] rated insulation voltage415 V
[Ie] rated operational current1.9 A at 380 V, AC, A600 conforming to IEC 60947-5-1; 3 A at 240 V, AC, A600 conforming to IEC 60947-5-1; 6 A at 120 V, AC, A600 conforming to IEC 60947-5-1; 0.27 A at 250 V, DC, Q300 conforming to IEC 60947-5-1; 0.55 A at 125 V, DC, Q300 conforming to IEC 60947-5-1; 2.87 A at 24 V, DC, Q300 conforming to IEC 60947-5-1
Protective treatmentTH
Ambient air temperature for storage-40…70 °C
Ambient air temperature for operation-20…65 °C
IP degree of protectionIP65 conforming to IEC 60529
StandardsIEC 60079-0:2009; EN/IEC 60079-1:2009; IEC 60079-7:2009; IEC 60079-31:2009; UL 60079-0; UL 60079-1; UL 60079-31; ANSI/ISA 12.12.01; CSA C22.2 No 213
Product certificationsINERIS 04ATEX9004U
Number of Units in Package 11
Warranty (in months)18
Number of contacts as normally closed contact1
Number of contacts as normally open contact1
Degree of protection (IP)IP65
Mounting methodSurface mounting
With lightingNo
Hole diameter22.5 mm
Connection type auxiliary circuitSpring clamp connection
Diameter cap40 mm
Country of originFrance

Properties

MOQ1

Cross-References

Attached Documents