Schneider Electric ZB5AT8643M Push-button Switch 22mm

Product Description

The SCHNEIDER ELECTRIC ZB5AT8643M is an illuminated push-button switch designed for industrial control panel applications. It features a 22 mm mounting hole diameter and supports both maintained (MA) and momentary (MO) operation modes, giving installers flexibility depending on circuit requirements. The operator head is a red, round, extended mushroom-head style constructed of plastic, making it suitable for emergency-stop or prominent control functions. The switch carries a NEMA 4X and NEMA 13 rating, indicating resistance to dust, oil, and corrosive environments. Rated under UL 508 and UL Listed, it meets a broad set of international standards for industrial control equipment.

This switch is suited for commercial and industrial control panel installations where a clearly visible, illuminated operator is required. Typical applications include machine tool control stations, motor control centers, and industrial automation panels. The red mushroom-head form factor is commonly used in applications requiring quick visual identification of a control point. Electricians and industrial controls technicians install this type of operator in panel cutouts as part of larger control assemblies. Its NEMA 4X rating makes it appropriate for washdown, outdoor, or corrosive-environment enclosures.

Key Features

• 22 mm mounting hole diameter fits standard industrial panel cutouts
• Supports both maintained (MA) and momentary (MO) operation modes
• Illuminated operator for high-visibility control identification
• Red round extended mushroom-head design for prominent control points
• NEMA 4X and NEMA 13 rated for dust-tight, oil-tight, and corrosive-environment use
• UL Listed and compliant with UL 508, CSA C22.2 No. 14, EN/IEC 60947-5-1, and multiple international standards

Compatibility

Designed as an OEM-style replacement or new-installation push-button operator for 22 mm industrial control panel assemblies requiring illuminated, dual-mode switching.

Installation Notes

Installation should be performed by a qualified electrician in accordance with the NEC and applicable local codes. De-energize the control panel and verify absence of voltage before mounting or wiring the operator. The 22 mm cutout should be clean and burr-free before inserting the operator body. Follow the manufacturer contact block wiring diagram for maintained versus momentary circuit configuration.