Schneider Electric ZB4BA432 Momentary Push-button Switch

Product Description

The SCHNEIDER ELECTRIC ZB4BA432 is a momentary push-button switch operator designed for industrial control panel applications. It features a flush-profile, round red metal button with a 22 mm mounting hole diameter and non-illuminated operation. When pressed, the operator triggers a momentary (MO) action, meaning contact state returns to normal the instant the button is released. Rated NEMA 4X and 13, this unit is built to resist dust, oil, and corrosive washdown conditions. It weighs 0.05 pounds and measures 1 inch long by 1 inch wide by 1.3 inches high. Licensed electricians and control panel builders are the typical installers.

The ZB4BA432 is suited for use in industrial machinery, manufacturing control panels, and process equipment where a durable, corrosion-resistant momentary operator is required. Its metal construction and NEMA 4X rating make it appropriate for harsh environments, including wet or washdown locations. The flush button profile reduces the risk of accidental actuation, which is important in crowded panel layouts. It is sold as a single-unit operator head intended to be paired with a compatible contact block in a 22 mm panel cutout.

Key Features

• Momentary (MO) operation — contact returns to normal state upon release
• Flush round red metal button for clear visual identification and reduced accidental activation
• 22 mm mounting hole diameter — standard industrial panel cutout size
• Non-illuminated operator head
• NEMA 4X and NEMA 13 rated for dust-tight, oil-tight, and corrosion-resistant performance
• Meets UL 508, CSA C22.2 No. 14, EN/IEC 60947-5-1, and multiple international standards

Compatibility

Designed as an OEM-style 22 mm momentary push-button operator head for use with compatible contact blocks and legend holders in standard 22 mm industrial control panel cutouts.

Installation Notes

Installation is typically performed by a licensed electrician or qualified control panel technician. De-energize and lock out the control panel before beginning installation per NFPA 70E and applicable NEC requirements. The operator head mounts through a 22 mm panel cutout and secures with a mounting nut before the contact block is attached from the rear. Do not overtighten the mounting nut on the panel face, as this can crack the panel material or misalign the contact block.