Weidmuller is a German-based manufacturer and distributor of electrical connection and Interface solutions for Railway, Vehicular, Industrial, and Process Industries. The 1296000000 refers to the 12V, 9A, 60 W output switching power supply from Weidmuller. This power supply is an AC to DC model capable of providing a stable output voltage in a wide range of industrial and commercial applications. It features a high efficiency of up to 85%, wide input voltage range of 85-264V AC, over-voltage, under-voltage, and over-temperature protection, as well as overload, short circuit, and over-current safety functions. It also has high surge and ripple and noise rating, a wide operating temperature range of -25°C to +75°C and is designed to meet FCC-Class B emissions regulations.