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Schneider Electric Harmony XALK Series Twist Release Emergency Stop Push Button, Surface Mount, 40mm Cutout, 2NC, IP66,

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

Schneider Electric

Mounting Type

Surface Mount

Cutout Diameter

40mm

Contact Configuration

2NC

Better World Product

Yes

Push Button Actuation

Twist Release

Voltage Rating

600 V ac, 600V dc

Illuminated

No

Series

Harmony XALK

IP Rating

IP66, IP67, IP69(IP69K)

Colour

Yellow

Push Button Shape

mushroom

Supply Current

3A

Depth

91.5mm

Auxiliary Contacts

2NC

Better World Verification

Green Premium

Width

68mm

Bezel Material

Polycarbonate

Push Button Diameter

62mm

Housing Colour

Yellow

Push Button Material

Polycarbonate

Height

68mm

Switch Operation

Slow Brake

Pole and Throw Configuration

DPST

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 is a perfect emergency stop push button for XB5 Ø 22 mm control and signalling units.

The material is polycarbonate, therefore there are no specific recycling operations for this item.

Features and Benefits


•These control stations are absolutely suitable for most common function: start, stop, start-stop and emergency stop

•There is a contractual warranty period 18 months

•Resistance to high pressure washer is 7000000 Pa at 55 °C, 0.1 m

•The NEMA rating for this item is 4X, which means it is a subset of the NEMA 4 rating (protected against dust), but must provide additional protection against corrosion. Only enclosures fabricated from corrosion-resistant material, such as stainless steel and aluminium, can qualify for the NEMA 4X rating

•The IP66 rating for this article is rated as ’’dust tight’’ and protects against heavy seas or powerful jets of water

•Typical areas of usage are: food and beverage, chemical industry, paper mill, marine applications, but also energy distribution panel builders or car washes

Frequently asked questions & answers


Is this item easy to use?

Yes, it is. There is also a short demonstration video available.

What are the dimensions of this item?

68 x 68 x 53 mm

What is the different between a push button switch for an emergency stop and a general-purpose push button switch?

A general-purpose push button switch is used for controls, e.g. to start machine operation or simply to switch modes. An emergency stop push button switch however, is mainly used as a safety measure to stop hazardous events.

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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