XB4BS8445GEX

Schneider Electric

22mm push button, Harmony XB4, metal base, red turn to release emergency stop push button, 1NO/1NC, explosive atmosphere

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  • "XB4/ZB4 22mm push buttons are for industrial applications. XB4/ZB4 operators have chromium plated metal bezels that connect to a fully metal mounting collar. Operator is a red turn to release emergency push button. The operator has one normally open and one normally closed contact. Contacts have UL A600, UL Q300, IEC AC15 and IEC DC13 contact ratings. Contacts have screw clamp terminals. Push button has no marking. Push button is 1.18 inches tall, 1.82 inches wide and 4.70 inches deep. Push button weighs 0.31 lbs. Operator is NEMA 4, 4X and 13 rated. Also reated for IEC zone 21-22 dust zones and IEC zone 1-2 gas zones. Push button UL listed and CSA certified. It is an IP65 rated product and comes with INERIS 04ATEX9004U certification. It is easily installed into a standard 22mm diameter panel cut-outs and connected to control circuits with screw-clamp connections. The Harmony XB4 range offers innovative features for simple and efficient use. The Harmony XB4 - ATEX is the most comprehensive explosive Atmospheres range covering most applications."
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Specification Value
Contacts Usage standard
Height 30 mm
Embedding Depth 58 mm
Fixing Center >= 30 x 40 mm support panel) 1-6 mm
Positive Opening with IEC 60947-5-1 appendix K
[Ith] Conventional Free Air Thermal Current 10 A IEC 60947-5-1
Shape Of Signaling Unit Head round
Marking Ex tb IIIC Db || Ex db eb IIC Gb || II 2 GD
Net Weight 0.141 kg
Connections - Terminals screw clamp terminals, 2 x 1.5 mm² with cable end IEC 60947-1 || screw clamp terminals, 1 x 2.5 mm² without cable end IEC 60947-1
[Ui] Rated Insulation Voltage 415 V
[Ie] Rated Operational Current 1.9 A 380 V, AC, A600 IEC 60947-5-1 || 3 A 240 V, AC, A600 IEC 60947-5-1 || 6 A 120 V, AC, A600 IEC 60947-5-1 || 0.27 A 250 V, DC, Q300 IEC 60947-5-1 || 0.55 A 125 V, DC, Q300 IEC 60947-5-1 || 2.87 A 24 V, DC, Q300 IEC 60947-5-1
Contact Operation slow-break
Mechanical Durability 5000000 cycles
Width 46.2 mm
Depth 119.5 mm
Tightening Torque 0.8-1.2 N.m IEC 60947-1
Device Mounting fixing hole 22.5 mm +/- 0.2 mm IEC 60947-1
Reset turn to release
Range Of Product Harmony XB4
Dust Zone zone 21 - 22
Mounting Diameter 22 mm
Type Of Operator trigger action and mechanical latching
Product Or Component Type complete emergency stop push-button
Fixing Collar Material zamak
Gas Zone zone 1 - 2
Contacts Type And Composition 1 NO + 1 NC
Sale Per Indivisible Quantity 1
Bezel Material chromium plated metal
Operator Profile red mushroom Ø 40 mm
Device Short Name XB4
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