Schneider Electric ZB4BG7 3-position Key Selector Switch

Product Description

The SCHNEIDER ELECTRIC ZB4BG7 is a 3-position momentary key selector switch designed for industrial control panel applications. It features a black key operator with center key removal, a round metal bezel, and a 22 mm mounting hole diameter. The switch operates in momentary (MO) mode across all three positions. Rated IP69K, it resists high-pressure washdowns, water ingress, shock, and vibration, making it suitable for demanding environments. The non-illuminated metal head provides a durable, low-profile interface for machine control circuits. Licensed electricians and control panel integrators are the typical installers for this device.

This switch is suited for use in industrial and commercial control panels where a momentary 3-position key-operated selector is required. Its NEMA 13 and NEMA 4X ratings qualify it for use in environments exposed to oil, dust, and water splashing. The IP69K rating extends its suitability to food processing, washdown, and marine-adjacent applications where high-pressure cleaning is routine. It mounts in a standard 22 mm panel cutout, consistent with common IEC-format operator devices found across a wide range of control enclosures.

Key Features

• 3-position momentary operation with black key operator
• Center key removal position for access control and tamper resistance
• 22 mm round metal bezel fits standard IEC panel cutouts
• IP69K ingress protection rating for high-pressure washdown environments
• NEMA 13 and NEMA 4X rated for oil-tight and watertight enclosures
• Shock-resistant and vibration-resistant construction for industrial duty
• Listed to UL 508, CSA C22.2 No. 14, and multiple IEC standards

Compatibility

Designed as an OEM-style operator head for 22 mm IEC-format control panel selector switch assemblies. No specific compatible contact block or enclosure model numbers were provided in the product data.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NEC requirements and the panel enclosure manufacturer guidelines. De-energize and lock out the control panel before mounting or wiring the switch. The 22 mm cutout should be clean and burr-free before inserting the operator head. Do not exceed the rated environmental or electrical parameters of the contact block used with this operator.