BTA12 30-35mA BTA12 20-25mA BTA12.600B BTA12/600B BTA12/600CWRG BTA1-20-03-1-C BTA1-20-06-1-C BTA1-20-06-1-C-SB BTA1-20-07-1-C-SB BTA1-20-08-1-C