75.L8503G101 75.LB506G001 75.LD502G002 75.ZLL.212.T 75/0.5W 75:1 25DX54L MM HP 12V 75:1 25DX54L MM LP 12V 75:1 25DX54L MM MP 12V 75:1 HPCB 12V 75:1 HPCB 12V DUAL-SHAFT