SIEMENS 3WL9111-0AT20-0AA0 Description Description SIEMENS ACCESSORIES CIRCUIT BREAKER 3WL DIGITAL OUTPUT MODULE PARAMETER., W. RELAY OUTP. FOR CUBICLE BUS MODULE Related products SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1FK7022-5AK71-1DA0