1800V 42A SM850A I2T=3600A2S,T=125C The ACS800 R5 690V input bridge has been changed from 3AFE 10034655 SKKH42/18E to 3AFE 68846218 SKKH57/20EH4 New spare part kits for SKKH57/20EH4 created: 3pcs. 3AUA0000020173 and 1pcs. 3AUA0000020174 NOTE:IT IS RECOMMEND THAT ALL THREE THYR/DIODES ARE SAME TYPE IN THE INPUT BRIDGE.