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Schneider Electric Harmony Series Twist Release Emergency Stop Push Button, Surface Mount, 40 mm Cutout, 1 NC, IP69K,

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RS Stock No.:
795-1295
Distrelec Article No.:
304-02-169
Mfr. Part No.:
XALK178
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

1 NC

Housing Material

Polycarbonate

Push Button Actuation

Twist Release

Series

Harmony

Illuminated

No

IP Rating

IP69K, IP69, IP66, IP67

Colour

Yellow

Number of Auxiliary Contacts

3

Head Style

Round

Depth

91.5mm

Standards/Approvals

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

Hazardous Area Certification

IECEx, ATEX

Length

68mm

Better World Product

Yes

Width

68mm

Push Button Material

Plastic

COO (Country of Origin):
CZ

Schneider Electric Harmony XALK Series Emergency Stop Push Button, 40mm Cutout Diameter, 1NC Contact Configuration - XALK178


This emergency stop push button is a surface mount device designed for critical safety functions. With a mushroom-shaped red actuator measuring 40mm in diameter, it is equipped with a twist release mechanism for immediate activation and deactivation. The button operates at a voltage rating of 600V AC and is rated IP66, making it resistant to water and dust ingress, ensuring reliable performance in challenging environments.

Features & Benefits


• Provides a quick and safe emergency stop with a twist release mechanism

• Constructed with durable polycarbonate for increased robustness

• Compatible with various control and signalling units for versatility

• Slow-break contact configuration enhances safety during operation

• Features a compact design ideal for space-constrained installations

• Highly resistant to high-pressure washer cleaning for easy maintenance

Applications


• Utilised in industrial automation for immediate emergency shutdowns

• Applied in machinery control stations to safeguard equipment operators

• Suitable for electrical control panels requiring robust safety measures

• Used in environments prone to dust and moisture

What is the resistance against environmental conditions for this device?


It has an IP rating of IP66, IP67, and IP69, ensuring protection against moisture and dust, making it suitable for harsh environments.

How does the twist release feature enhance safety?


The twist release mechanism allows for a clear and intentional action, reducing the risk of accidental disengagement during critical situations.

What kind of terminals does it have for electrical connections?


The device includes screw clamp terminals that can accommodate various wire sizes, ensuring secure and compliant connections for reliable operation.

How reliably does it perform under mechanical stress?


The emergency stop button boasts a mechanical durability of 300,000 cycles, ensuring long-lasting operation even in demanding conditions.

Can this push button withstand high-pressure cleaning processes?


Yes, it is designed to endure high-pressure washing at 7,000,000 Pa, ensuring ongoing functionality and cleanliness in industrial settings.

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