TA16D4L1254TPE is an automatic transfer switch designed for use in industrial and commercial buildings, data centers, healthcare facilities, and transportation. The rated operating voltage is 400 VAC at 50/60 Hz. This transfer switch is suitable for operation in the usage category AC-33B. The rated current can handle 125 A at 60 °C, with a size range of 80-160 A. On the front, there is a built-in LCD display module that shows the status and alarm settings and allows control via a push button. This switch features 3 switch positions on the front with mechanical and electrical indicators. It can be mounted on a DIN rail or plate and positioned in an electrical distribution cabinet. There are also optional accessories available for various applications. This 4-pole version measures 351 mm (width) x 164 mm (height) x 95 mm (depth). It complies with the IEC 60947-6-1 standard and is certified by CE/CB/CCC. It is suitable for power transmission of safety loads such as fire extinguishing systems, smoke extraction fans, sprinkler pumps, emergency lighting, and more.