Elevate machine safety with the Schneider Electric Harmony XALK178, a globally trusted emergency stop control station engineered for reliability in the most harsh environments. Crafted from rugged polycarbonate, this compact unit features a red mushroom head push-button (Ø40 mm) with an intuitive twist-to-release reset mechanism, compliant with EN/ISO 13850 and IEC/EN 60204-1 safety standards.

Core Features and Benefits of the Product

  • Material & Build: Durable polycarbonate housing with light grey (RAL 7035) base and high-visibility yellow (RAL 1021) cover.
  • Rating & Environment: IP65/IP66/IP67/IP69K and NEMA 4X/13 rated, ideal for harsh industrial, food, marine, or food-and-beverage settings, resistant to dust, high-pressure washdown, and corrosive agents.
  • Electrical & Mechanical Performance: Slow-break 1 NC contact, power-rated up to 3 A @240 V AC (AC-15). Electrical endurance of up to 1 million cycles under AC-15 loads; mechanical life of ~300,000 cycles.
  • Installation Features: Pre-machined knock-outs for ≤ 14 mm cable entry or Pg 13.5/M20 glands; screw clamp terminals supporting up to 2 × 1.5 mm² conductors.
  • Durability & Safety: Vibration resistance to 5 gn, shock up to 50 gn; includes optional 10 A fuse cartridge for short-circuit protection. Rated for operation from −40 °C to 70 °C.
  • Certifications & Warranty: UL / CSA approved, RoHS-compliant, and part of Schneider’s Green Premium line. Standard 18-month warranty provides commercial confidence.

Why Buy It?

Optimized for technical buyers who demand both ruggedness and clarity, the XALK178 delivers a perfect blend of functional design, global safety compliance, and environmental resilience. Its concise footprint and high ingress protection make it ideal for tight control panels or machinery exposed to washdowns and washdown cleaning.

Schneider Electric XALK178, Harmony, Yellow, Twist to Reset 40mm Mushroom Head Emergency Button

Manufacturer:
Manufacturer Part No:
XALK178
Enrgtech Part No:
ET13943236
Warranty:
Manufacturer
£ 62.35 £ 62.35
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Housing Colour:
Yellow
Pole and Throw Configuration:
SPST
Width:
68mm
Push Button Material:
Plastic
Push Button Actuation:
Twist Release
Illuminated:
No
Voltage Rating:
600V ac
Auxiliary Contacts:
1NC
Cutout Diameter:
40mm
IP Rating:
IP66, IP67, IP69(IP69K)
Colour:
Yellow
Contact Configuration:
1NC
Depth:
91.5mm
Better World Verification:
Green Premium
Better World Product:
Yes
Push Button Diameter:
62mm
Mounting Type:
Surface Mount
Series:
Harmony XALK
Push Button Shape:
mushroom
Height:
68mm
Bezel Material:
Polycarbonate
Supply Current:
1.2A
HTSUS:
8536.50.9033
RoHS Status:
ROHS3 Compliant
Termination Style:
Screw Terminal
Voltage Rating - DC:
125 V
Operating Temperature:
-40°C ~ 70°C
Reset Operation:
Twist
Panel Cutout Dimensions:
Circular - 22.00mm Dia
title:
XALK178
Voltage Rating - AC:
120 V
REACH Status:
REACH Unaffected
Includes:
-
Switch Function:
Off-On
Moisture Sensitivity Level (MSL):
1 (Unlimited)
Circuit:
SPST-NC
standardLeadTime:
5 Weeks
Current Rating (Amps):
6A (AC), 550mA (DC)
Ingress Protection:
IP66/IP67/IP69/IP69K - Dust Tight, Water Resistant, Waterproof
Features:
-
Mounting Type:
Panel Mount, Front
Series:
Harmony XALK
Packaging:
Box
Illumination Voltage (Nominal):
-
ECCN:
EAR99
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XALK178 Datasheet(Technical Reference)
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Machine Guarding and Safety Range Overview(Technical Reference)
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Product Environmental Profile(Technical Reference)
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Instruction Sheet(Technical Reference)
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Green Premium ecolabel(Technical Reference)
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Harmony Control and Signaling Guide(Technical Reference)
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XALK178 Datasheet(Datasheets)



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