Overview Reviews Product Description Functional Devices - Dry Contact Relay, 20 Amp SPST-N/C + Override, Class 2 Dry Contact Input, 208-277 Vac Power Input, NEMA 1 Housing Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Functional Devices Functional Devices RIB02SBDC-NC Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments