1SFA611621R1046

ABB 1SFA611621R1046 (MLBL-04A) is an amber modular LED illumination block designed for industrial control panels, pilot lights, illuminated push buttons, and automation systems. Operating at 110–130V AC, it features an integrated amber LED for clear visual indication of equipment status, warning conditions, and electrical control signals. Part of ABB's modular pilot device range, the block can be assembled with compatible ABB pilot light heads, illuminated operators, and mounting accessories.