1SFA611621R1051

ABB 1SFA611621R1051 (MLBL-05R) is a red modular LED illumination block designed for industrial control panels, pilot lights, illuminated push buttons, and automation systems. Operating at 110–130V DC, it features an integrated red LED that provides clear visual indication of equipment status, warning conditions, and control signals. Part of ABB's modular pilot device range, the block supports front mounting with compatible ABB operators and mounting accessories.