52BAK
Furnas 52BAK Siemens Oil Tight Contact Block Series C
What I like about WD-40 Lubricant is it works on both wood and metal surfaces.
Siemens Furnas 52SA2CAB 3 POS. Selector w/ 52BAK & 52BAJ (1 each NO, NC)
The MicroLubrol 200 works quietly enough to use in noise-sensitive work areas without complaints.