BFM8-316 BFM9011J BFM9021J BF-MCXF2-NT30G-50 BF-MCXM-NT30G-50 BFME-BNC BFMR11-100-3W/11KV/5.25A BFN 18 E6327 BFN 18 H6327 BFN 19 E6327