Overview Reviews Product Description Belimo Configurable Damper Actuator, 270 in-lb [30 Nm], Spring return, AC/DC 24 V, 2...10 V, NEMA 4, modulating Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Belimo Belimo EFX24-SR N4 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments