Schneider Electric ZB4BA434 Momentary Push-button Switch

Product Description

The SCHNEIDER ELECTRIC ZB4BA434 is a momentary push-button switch designed for industrial control panel applications. It features a flush-profile, round red metal operator with a 22 mm mounting hole diameter and nonilluminated operation. The switch actuates on press and returns to its default state upon release, making it well suited for start, stop, and command functions in control circuits. Licensed electricians and panel builders install this switch during new panel construction or as a field replacement in existing enclosures. It carries a broad set of certifications including UL 508, CSA C22.2 No. 14, and EN/IEC 60947-5-1, confirming compliance with North American and international standards.

The ZB4BA434 is used in residential and commercial industrial control panels, machine operator interfaces, and process control enclosures. Its NEMA 4X and NEMA 13 ratings make it appropriate for wash-down, dust-tight, and corrosion-resistant applications. The 22 mm mounting format is a widely used industry-standard hole size found across a range of control enclosure manufacturers and existing panel cutouts, simplifying retrofit and replacement work.

Key Features

• Momentary (MO) operation — returns to default state on release
• 22 mm standard mounting hole diameter for broad panel compatibility
• Flush-profile round red metal operator for clear visual identification
• Nonilluminated design — no wiring required for operator lighting
• NEMA 4X and NEMA 13 rated for wash-down and dusty environments
• Certified to UL 508, CSA C22.2 No. 14, EN/IEC 60947-5-1, and additional international standards

Compatibility

Designed as an OEM-style replacement or new-installation operator for 22 mm industrial control panel push-button assemblies.

Installation Notes

Installation should be performed by a licensed electrician with the control panel de-energized and locked out per NFPA 70E lockout/tagout procedures before beginning work. The 22 mm panel cutout should be verified clean and free of burrs before mounting the operator. Installer should confirm the switch body is fully seated and the mounting nut is tightened to secure the unit against the panel face before restoring power. Reference NEC Article 430 and applicable machine control standards for wiring and panel construction requirements.