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. ABB 216DB61 HESG216882/A Binary I/P and Trip Unit Introduction The ABB 216DB61 HESG216882/A Binary I/P and Trip Unit is designed for use in industrial automation and protection systems. It allows the monitoring of binary input signals and the triggering of trip actions when required. This *Your Name: *Your Email: *Your Name: *Vdcode: Submit