ABB PMA - Figure 37: Outline and Drilling Plan for the Type PM-2, PM-23, PMA-1 and PMD Relays in the Type...

41-973.5R
37
Type PM Line of Relays For Pilot Wire Monitoring
And Transferred Tripping
Figure 37: Outline and Drilling Plan for the Type PM-2, PM-23, PMA-1 and PMD Relays in the Type FT-21 case
*Sub 17
57D7901