Product DescriptionThe SIEMENS 52PL4M9 is a 30mm pilot light lamp designed for use in industrial control panels and operator interface stations. This lamp serves as a visual indicator, signaling equipment status such as power-on, fault, or run conditions. It fits the standard 30mm mounting format common across industrial pushbutton and pilot device assemblies. Licensed electricians and industrial control panel builders typically handle installation and replacement. The UL listing confirms it meets recognized safety standards for electrical components used in commercial and industrial applications.This lamp is suited for industrial control panel environments where 30mm pilot devices are specified. It is commonly installed in manufacturing facilities, machine control stations, process control panels, and similar applications that require reliable visual indication of equipment operating status. The 30mm body size is a widely adopted industry standard, making this lamp a practical replacement option in many existing control panel configurations.Key Features30mm body size fits standard industrial pilot device assembliesUL listed for use in commercial and industrial electrical control applicationsDesigned as a visual indicator lamp for equipment status signalingCompact and lightweight at 0.617 pounds for easy handling during panel serviceCompatibilityDesigned as an OEM-style replacement lamp for 30mm industrial pilot light and operator interface assemblies.Installation NotesInstallation and replacement should be performed by a qualified electrician or trained control panel technician. De-energize the control panel and follow lockout/tagout procedures before servicing any pilot device or lamp assembly. Verify the lamp voltage and base type match the existing socket before installation. Work should comply with applicable NEC requirements for industrial control panel wiring and maintenance.Technical SpecificationsSize: 30mmWeight: 0.617 poundsListing: UL ListedUPC: 66264385324Standard InformationBrand: SIEMENSManufacturer Part Number: 52PL4M9