Overview Reviews Product Description Basler Electric BE4-27 Undervoltage Relay 120V 12P 50/60 Hz, 1A1N2, 18566705, 6:E10, Relay De-Energize on Trip. Product Videos Custom Field Volts 120 Poles 12 Product Reviews Write a Review Write a Review × Basler Electric BE4-27 Undervoltage Relay 120V 12P 50/60 Hz, 1A1N2, 18566705, 6:E10, Relay De-Energize on Trip Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *