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Schneider Electric Harmony XB4 Series Twist Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, IP66, IP67,

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RS Stock No.:
330-9388
Distrelec Article No.:
135-12-288
Mfr. Part No.:
ZB4BS844
Brand:
Schneider Electric
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Brand

Schneider Electric

Mounting Type

Panel Mount

Cutout Diameter

22mm

Better World Product

Yes

Voltage Rating

600 V ac, 600V dc

Push Button Actuation

Twist Release

Series

Harmony XB4

Illuminated

No

IP Rating

IP66, IP67, IP69(IP69K)

Colour

Red

Push Button Shape

mushroom

Depth

57mm

Width

40mm

Better World Verification

Green Premium

Bezel Material

Metal

Height

40mm

Push Button Material

Plastic

Switch Operation

Latching, Twist to Release

Push Button Diameter

40mm

COO (Country of Origin):
CZ

Schneider Electric Harmony XB4 Series Emergency Stop Push Button, 22mm Cutout Diameter, 600V AC Voltage Rating - ZB4BS844


This emergency stop push button is designed for panel mounting and serves as an essential safety device within various industrial applications. With a cutout diameter of 22mm, this twist release push button is a vital component for emergency shut-off mechanisms. The robust construction features a red mushroom shape, measuring 40mm in diameter, complemented by a metal bezel that enhances durability and usability.

Features & Benefits


• Push button uses a twist release mechanism for easy actuation

• Rated for both 600V AC and 600V DC electrical systems

• High protection class with IP66, IP67, and IP69 ratings

• Capable of withstanding up to 300,000 mechanical cycles

• Compatible with screw clamp terminals for versatile installation

• Made from durable plastic and chromium plated metal materials

Applications


• Used for emergency shutdowns in machinery

• Ideal for panel-mounted operation in control systems

• Frequently installed in industrial automation settings

• Employed in safety protocols for manufacturing equipment

• Utilised in electrical enclosures and cabinets

How does the twist release feature enhance safety in industrial settings?


The twist release mechanism prevents accidental activation, ensuring the emergency stop function is engaged only when intended. This feature adds a layer of security in high-pressure environments, allowing operators to quickly and confidently halt machinery when necessary.

What materials contribute to the emergency stop push button's durability?


The button is constructed from high-quality plastic with a chromium plated metal bezel, ensuring both strength and longevity. This resilient design is crucial for maintaining functionality in challenging working conditions, protecting against wear and environmental factors.

What are the implications of the IP66 and IP69 ratings for this product?


These IP ratings signify excellent resistance to dust and water ingress. This allows for reliable operation in harsh conditions, such as outdoor installations or environments with moisture, enhancing overall safety and performance longevity.

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