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Schneider Electric Harmony XALK Series Twist Release Emergency Stop Push Button, Surface Mount, 40 mm Cutout, 2 NC,

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RS Stock No.:
330-8587
Distrelec Article No.:
135-12-364
Mfr. Part No.:
XALK178F
Brand:
Schneider Electric
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Brand

Schneider Electric

Mount Type

Surface Mount

Product Type

Emergency Stop Push Button

Cutout Diameter

40mm

Contact Configuration

2 NC

Housing Material

Polycarbonate

Push Button Actuation

Twist Release

Series

Harmony XALK

Illuminated

No

IP Rating

IP66, IP69, IP67, IP69K

Colour

Yellow

Depth

91.5mm

Hazardous Area Certification

ATEX, IECEx

Length

68mm

Standards/Approvals

EN60947-5-5, ISO13849-1, EN60947-5-1, ISO13850

Width

68mm

Better World Product

Yes

Push Button Material

Polycarbonate

Safety Contacts

3P

RoHS Status: Exempt

COO (Country of Origin):
CZ

Schneider Electric Harmony XALK Series Emergency Stop Push Button, 40mm Cutout Diameter, 600V AC Voltage Rating - XALK178F


This emergency stop push button is a vital component designed for safety in industrial applications. It features a robust surface mount design, with a 40mm cut-out diameter, and operates with a twist release mechanism. The yellow mushroom head is easily identifiable, ensuring quick access during emergencies. Dimensionally, it measures 68mm in width and height, with a depth of 91.5mm, suitable for various installation settings.

Features & Benefits


• Designed for fast emergency shutdown with a twist release action

• Durable IP66, IP67, and IP69K ratings for high resistance to water and dust

• Equipped with a 2NC contact configuration for reliable operation

• Mechanical durability of up to 300,000 cycles for longevity

• Suitable for high voltage applications with a voltage rating of up to 600V

• Manufactured from polycarbonate for excellent corrosion resistance

Applications


• Ideal for emergency shutdowns in machinery

• Suitable for control stations in the automotive sector

• Used in automated processes where safety is paramount

• Compatible with various control and signalling equipment

• Addresses critical stop functions in electrical and mechanical systems

What type of environments can this push button operate in?


This push button is designed to function effectively in harsh environments, with an operational temperature range of -40°C to 70°C and a high-pressure resistance to water ingress characterised by IP66, IP67, and IP69K ratings.

How does the twist release mechanism enhance safety?


The twist release feature prevents accidental activation, ensuring that only intentional actions lead to equipment shutdown. This design increases workplace safety by minimising the risk of unintended stops during operations.

What is the significance of the 2NC contact configuration?


The 2NC configuration ensures a reliable breakdown of the circuit when activated, enhancing safety by cutting off all power to machinery, thereby preventing potential hazards during an emergency.

Can this push button be used in outdoor applications?


Yes, it is suitable for outdoor applications due to its excellent IP ratings, protecting against moisture and dust ingress while ensuring consistent performance in varying weather conditions.

How can I install the push button in my control panel?


Installation requires a simple surface mounting process with one knock-out for cable entry, accommodating various cable sizes. It is designed for straightforward integration with existing control and signalling systems.

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