Siemens SENTRON, Window Current Transformer, , 500A Input, 5 A Output, 500:5. Overall Height: 65.6mm. Overall Width: 60mm. Overall Depth: 75.3mm. Minimum Temperature: -30°C. Maximum Temperature: +55°C. Dimensions: 60 x 75.3 x 65.6 mm. Mounting Type: Chassis Mount. For Use With: Sentron Power Monitoring Devices. MPN: 4NC5126-2FE21