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Home > Schneider Electric > Pushbuttons, Switches, Pilot Lights, Control Stations and Joysticks > 22 mm Pushbuttons, Switches, Pilots Lights > Harmony XB4/ZB4 Metal Push Buttons > XB4BS8446 – Emergency stop switching off, Harmony XB4, metal, red mushroom 40mm, 22mm, trigger latching turn to release, 1NC with monitoring
XB4BS8446 – Emergency stop switching off, Harmony XB4, metal, red mushroom 40mm, 22mm, trigger latching turn to release, 1NC with monitoring
XB4BS8446
Emergency stop switching off, Harmony XB4, metal, red mushroom 40mm, 22mm, trigger latching turn to release, 1NC with monitoring

This product is part of the Harmony XB4 range, an offer of Ø 22mm metal pushbuttons, switches and pilot lights. This red Emergency stop pushbutton comes with a mushroom head. It operates with a turn to release mechanism. This mushroom headed pushbutton provides an ergonomic interface for controlling/stopping machines. It comes with 1 NC monitoring contact with slow break operation. It is clearly distinguishable visually at a distance due to a clear color and a prominent mushroom shape. It has a chromium plated metal bezal and has a 40mm diameter mushroom head. It is an IP66, IP67, IP69 and IP69K rated product and comes with CE, CCC, UKCA, EAC, UL and CSA 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.

Brand: Schneider Electric

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Specifications
Product Certifications
  • CSA
  • BV
  • UL Listed
  • LROS (Lloyds register of shipping)
  • DNV
  • CE
  • CCC
  • CB Scheme
  • UKCA
  • EAC
Ik Degree Of Protection IK06 conforming to IEC 60068-2-75
Ambient Air Temperature For Operation -40-70 °C
Standards
  • IEC 60947-1
  • IEC 60947-5-1
  • IEC 60947-5-5
  • IEC 60204-1
  • IEC 60947-5-4
  • IEC 60364-5-53
  • ISO 13850
  • UL 60947-5-1
  • CSA C22.2 No 60947-5-1
  • JIS C8201-1
  • JIS C8201-5-1
  • GB/T 14048.5
  • BS EN 60947-5-1
  • GOST IEC 60947-5-1
Shock Resistance
  • 30 gn 18 ms) half sine wave acceleration IEC 60068-2-27
  • 50 gn 11 ms) half sine wave acceleration IEC 60068-2-27
  • 25 gn 6 ms) 1000 shocks on each axis IEC 60068-2-27
Vibration Resistance
  • 5 gn 10-500 Hz)IEC 60068-2-6
  • 25 mm peak to peak 2-10 Hz)IEC 60068-2-6
Ip Degree Of Protection
  • IP66 IEC 60529
  • IP67 IEC 60529
  • IP69 IEC 60529
  • IP69K ISO 20653
  • Type 13 UL 50E
  • Type 12 UL 50E
  • Type 4 UL 50E
  • Type 4X UL 50E
Ambient Air Temperature For Storage -40-70 °C
Electrical Shock Protection Class class I IEC 60536
Protective Treatment TH
Warranty 18 months
Rohs Exemption Information Yes
Mercury Free Yes
Toxic Heavy Metal Free Yes
Reach Free Of Svhc Yes
China Rohs Regulation X
Eu Rohs Directive Compliant
Contacts Usage monitoring contact
Height 47 mm
Operating Force 47 N
Short-Circuit Protection 6 A cartridge fuse gG IEC 60947-5-1
Fixing Mode by fixing collar 1 N.m +/- 0.2 N.m)
Operating Travel
  • 1.5 mm NC changing electrical state)
  • 4.3 mm total travel)
Contacts Material
  • silver alloy (AgNi)
  • silver alloy (AgSnO2)
Positive Opening with IEC 60947-5-1 appendix K
[Ith] Conventional Free Air Thermal Current 6 A IEC 60947-5-1
Net Weight 0.117 kg
[Uimp] Rated Impulse Withstand Voltage 4 kV IEC 60947-1
Device Presentation complete product
Electrical Durability
  • 300000 cycles, AC-15, 2 A 230 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C
  • 300000 cycles, AC-15, 3 A 110 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C
  • 300000 cycles, AC-15, 3 A 24 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C
  • 300000 cycles, DC-13, 0.3 A 120 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C
  • 300000 cycles, DC-13, 1 A 24 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C
[Ui] Rated Insulation Voltage 300 V 3)IEC 60947-1
[Ie] Rated Operational Current
  • 1.5 A 240 V, AC-15, B300 IEC 60947-5-1
  • 3 A 120 V, AC-15, B300 IEC 60947-5-1
  • 0.11 A 250 V, DC-13, R300 IEC 60947-5-1
  • 0.22 A 125 V, DC-13, R300 IEC 60947-5-1
Mechanical Durability 300000 cycles
Electrical Reliability
  • λ < 10exp(-6) 5 V 1 mA in clean environment IEC 60947-5-4
  • λ < 10exp(-8) 17 V 3.4 mA in clean environment IEC 60947-5-4
Width 40 mm
Depth 85 mm
Tightening Torque 0.8-1.2 N.m IEC 60947-1
Shape Of Screw Head
  • cross pozidriv No 1
  • slotted flat Ø 4 mm
  • slotted flat Ø 5.5 mm
Device Mounting fixing hole 22.5 mm +/- 0.2 mm
Country of Origin Czechia
Width 40 mm
Height 47 mm
Weight 0.117 kg
Reset turn to release
Range Of Product Harmony XB4
Mounting Diameter 22.5 mm
Type Of Operator trigger action and mechanical latching
Product Or Component Type
  • emergency switching off push-button
  • emergency stop push-button
Shape Of Signaling Unit Head round
Fixing Collar Material zamak
Head Type standard
Connections - Terminals
  • screw clamp terminals, <= 2 x 1.5 mm² with cable end IEC 60947-1
  • screw clamp terminals, >= 1 x 0.34 mm² without cable end IEC 60947-1
Sale Per Indivisible Quantity 1
Bezel Material chromium plated metal
Contact Operation slow-break
Operator Profile red mushroom Ø 40 mm, unmarked
Device Short Name XB4
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