Overview Reviews Product Description Functional Devices - Dry Contact Relay, 10 Amp SPDT, Class 2 Dry Contact Input, 120-277 Vac Power Input, Red Housing Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Functional Devices Functional Devices RIB21CDC-RD Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments