TA10D4L0504TPE is an automatic transfer switch used 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 be loaded with 50 A at 60 °C, with a size range of 32-100 A. On the front, there is a built-in LCD display module that serves to show the status and alarm settings as well as for control via a push button. This switch features three switch positions on the front with mechanical and electrical indication. It can be mounted on a DIN rail or plate and positioned in the power distribution cabinet. There are also some optional accessories for various applications. This 4-pole version measures 306 mm (width) x 145 mm (height) x 94.5 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, etc.