Overview R3400A Ecco LED Module Amber Description: Replacement Module - Amber - LED safety director - 24VDC - 3400 series. R3400A Ecco LED Module Amber Custom Field Product Reviews Write a Review Write a Review × ECCO R3400A Ecco LED Module Amber Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *