ABB CL2-501R Indicator Or Pilot Light. ABB Pilot Light Compact Illuminated 12 VDC 16 mA Red Lens LED Lamp 30 mm Size Circle Shape BA9s Base >/=50000 hr Average Life Screw Terminal NEMA 1/3R/4/4X/12/13/IP20/IP66/IP67/IP69K Enclosure Environmental Conditions: -25 to 70 deg C Operating -40 to 85 deg Storage 40 to 70% Relative Humidity. Additional Description: ABB -CL2-501R PILOT LIGHT CL2 RED 12V DC. Catalog Description: Compact Pilot Light - Pilot light head - Red - Illuminated - Lamptype: LED 12V DC.