Overview Reviews Product Description Belimo Damper Actuator, 22 in-lb [2.5 Nm], Spring return, AC 100...240 V, 2...10 V, modulating Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Belimo Belimo TFB120-SR Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments