ABB CL2-542G is a 22 mm panel-mount LED pilot light in ABB’s CL2 compact pilot-device family, featuring an integrated green LED and no replaceable bulb. It accepts a 22.3 mm panel cutout for quick installation and serves as a status indicator in control panels. Designed for line-voltage signaling, it operates at 380–415 VAC and typically draws about 17 mA at 415 VAC. The CL2-542G designation corresponds to ABB part number 1SFA619403R5422 and is listed in ABB’s pilot-device catalog and distributor pages as the green 22 mm pilot light variant.
