Siemens 6EP3336-7SC00-3AX0 SITOP PSU6200 Ex 24 V/20 A stabilized power supply input: 120 - 240 V AC output: 24 V DC/20 A with diagnostic interface with coated printed circuit boards. Siemens 6EP3336-7SC00-3AX0 Power Supply - SITOP PSU6200 Ex 24 V/20 A stabilized power supply input: 120 - 240 V AC output: 24 V DC/20 A with diagnostic interface with coated printed circuit boards. Input: 120 - 240 V AC, Output: 24 V DC/20 A with diagnostic interface with coated printed circuit boards.