Schneider Electric (Square D) DL1BDB3 Green LED Bulb 24 VAC/DC

The Schneider Electric (Square D) DL1BDB3 Green LED Bulb 24 VAC/DC is a pilot light indicator used in control panels and electrical assemblies to provide visual status for equipment operation. It is installed in compatible indicator housings within industrial control HVAC systems. The LED illuminates in green when energized, signaling normal operating conditions or active circuit status depending on the configuration. It is commonly used in automation panel and machinery control unit where a clear visual indication of system states is required for monitoring, and operational safety during routine equipment use.