Overview Reviews Product Description 5A@24VDC Product Videos Custom Field Product Reviews Write a Review Write a Review × Schmersal Schmersal EF303.1 101022137 Push Button Contact Block 1NO 1NC 8A@250VAC NWB Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *