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Home > Schneider Electric > Automation & Control > Pilot Devices > Push Buttons > XALK178EH7 – Harmony, Control station, plastic, yellow, 1 red mushroom head push button Ø40, emergency stop turn to release 1NO 1 NC, unmarked, UL/CSA certified
XALK178EH7 – Harmony, Control station, plastic, yellow, 1 red mushroom head push button Ø40, emergency stop turn to release 1NO 1 NC, unmarked, UL/CSA certified
XALK178EH7
Control station, Harmony, plastic, yellow, 1 red mushroom head push button 40mm, emergency stop turn to release 1NO + 1NC, unmarked, UL CSA certified

This Harmony XALK yellow control station for emergency stop function is ideal for your complete control station. It operates with turn to release mechanism and uses screw-clamp terminals. This control station with mushroom head push button for emergency stop function is ideal for situations where quick actions are required for a process or machine to function correctly or where operator movements require maximum ergonomy. Its schematic is clearly distinguishable thanks to clear colors. It is impact resistant, dust resistant, water resistant, corrosion resistant, and vibration resistant thanks to its IP65, making it ideal for operation in harsh environments. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product. Vibration resistant screw clamp connection terminals ensure high vibration resistance making product suitable installation on high impact machine.

Brand: Schneider Electric

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Specifications
Control Station Application
  • emergency stop function
  • emergency switching off function
Product Destination for XB5 Ø 22 mm control and signalling units
Reset turn to release
Range Of Product Harmony XALK
Colour Of Base Of Enclosure light grey RAL 7035)
Control Station Composition 1 mushroom head Ø 40 mm push-button, red 1 NO + 1 NC unmarked
Operators Description red unmarked 1 NO + 1 NC
Product Or Component Type complete control station
Material polycarbonate
Operator Profile 1 mushroom head push-button
Colour Of Cover yellow RAL 1021)
Contact Operation slow-break
Device Short Name XALK
Warranty 18 months
Short-Circuit Protection 10 A cartridge fuse gG EN/IEC 60947-5-1
Operating Force 44 N NC + NO changing electrical state
Operating Travel
  • 1.5 mm NC changing electrical state)
  • 2.6 mm NO changing electrical state)
  • 4.3 mm total travel)
Contacts Material silver alloy (Ag/Ni)
Positive Opening with EN/IEC 60947-5-1 appendix K
[Ith] Conventional Free Air Thermal Current 10 A EN/IEC 60947-5-1
Cable Entry
  • 1 knock-out for cable entry 0-14 mm
  • 2 knock-outs for Pg 13 cable gland and ISO M20 0-12 mm
Net Weight 0.194 kg
[Uimp] Rated Impulse Withstand Voltage 6 kV EN/IEC 60947-1
Resistance To High Pressure Washer 7000000 Pa 55 °C 0.1 m
Electrical Durability
  • 1000000 cycles, AC-15, 2 A 230 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C
  • 1000000 cycles, AC-15, 3 A 120 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C
  • 1000000 cycles, AC-15, 4 A 24 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C
  • 1000000 cycles, DC-13, 0.2 A 110 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C
  • 1000000 cycles, DC-13, 0.5 A 24 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C
Connections - Terminals
  • screw clamp terminals, <= 2 x 1.5 mm² with cable end EN/IEC 60947-1
  • screw clamp terminals, >= 1 x 0.22 mm² without cable end EN/IEC 60947-1
[Ui] Rated Insulation Voltage 600 V 3)EN/IEC 60947-1
[Ie] Rated Operational Current
  • 3 A 240 V, AC-15, A600 EN/IEC 60947-5-1
  • 6 A 120 V, AC-15, A600 EN/IEC 60947-5-1
  • 0.1 A 600 V, DC-13, Q600 EN/IEC 60947-5-1
  • 0.27 A 250 V, DC-13, Q600 EN/IEC 60947-5-1
  • 0.55 A 125 V, DC-13, Q600 EN/IEC 60947-5-1
  • 1.2 A 600 V, AC-15, A600 EN/IEC 60947-5-1
Mechanical Durability 300000 cycles
Electrical Reliability
  • λ < 10exp(-6) 5 V, 1 mA EN/IEC 60947-5-4
  • λ < 10exp(-8) 17 V, 5 mA EN/IEC 60947-5-4
Tightening Torque 0.8-1.2 N.m EN/IEC 60947-1
Shape Of Screw Head
  • cross Philips no 1
  • cross pozidriv No 1
  • slotted flat Ø 4 mm
  • slotted flat Ø 5.5 mm
Rohs Exemption Information Yes
Mercury Free Yes
Environmental Disclosure ENVPEP1806010EN
Sustainable Offer Status Green Premium product
Toxic Heavy Metal Free Yes
Reach Regulation Free of Substances of Very High Concern above the threshold
Reach Free Of Svhc Yes
Weee The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
China Rohs Regulation X
Circularity Profile ENVEOLI1806010EN
Eu Rohs Directive Pro-active compliance (Product out of EU RoHS legal scope)
Product Certifications
  • CSA
  • UL Listed
Ik Degree Of Protection IK03 EN 50102
Ambient Air Temperature For Operation -40-70 °C
Standards
  • EN/ISO 13850
  • CSA C22.2 No 14
  • UL 508
  • EN/IEC 60947-5-1
  • IEC 60364-5-53
  • EN/IEC 60204-1
  • EN/IEC 60947-5-5
  • EN/IEC 60947-1
  • JIS C 4520
  • EN/IEC 60947-5-4
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
Vibration Resistance 5 gn 12-500 Hz)IEC 60068-2-6
Ip Degree Of Protection
  • IP66 IEC 60529
  • IP67
  • IP69
  • IP69K
Ambient Air Temperature For Storage -40-70 °C
Overvoltage Category class II IEC 60536
Nema Degree Of Protection
  • NEMA 13
  • NEMA 4X
Protective Treatment TH
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