Overview Reviews Product Description Osram ET-REDBACK 40/230-240 Electronic Transformer 240V 40W 50Hz. Product Videos Custom Field Volts 240 Watts 40 Hz 50 Product Reviews Write a Review Write a Review × Osram Osram ET-REDBACK 40/230-240 Electronic Transformer 240V 40W 50Hz Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *