If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. GE IC660BBR100 Normally Closed Relay Output Block Product Overview (Introduction) The GE IC660BBR100 Normally Closed Relay Output Block is a robust interface module that provides isolated NC relay outputs for PLCs. It allows safe and reliable control of industrial actuators, solenoids, and *Your Name: *Your Email: *Your Name: *Vdcode: Submit