ABB XT1B 160 TMD 160-1600 4p F F InN=50% – 1SDA066820R1 This ABB MCCB from the XT1B series features a 160A frame and a TMD (thermal magnetic) trip unit, adjustable from 160A to 1600A. It includes 4 poles and a fixed mounting configuration, offering reliable protection. The nominal current setting is specified as InN=50%. Frame Size: 160A Trip Unit Type: TMD (Thermal Magnetic) Adjustable Range: 160–1600A Poles: 4P Mounting Type: Fixed ABB ID: 1SDA066820R1