ABB PMA - Figure 2: Internal Schematic of the Type PMA Relay in FT-31 case - 120 volt, 60 hertz supply - fo...; Figure 3: Internal Schematic of Type PMA-1 Relay in the FT-21 case - 120 volts, 60 hertz supply -...

41-973.5R
15
Type PM Line of Relays For Pilot Wire Monitoring
And Transferred Tripping
Figure 2: Internal Schematic of the Type PMA Relay in FT-31 case - 120 volt,
60 hertz supply – for two-terminal lines.
Figure 3: Internal Schematic of Type PMA-1 Relay in the FT-21 case -
120 volts, 60 hertz supply – for two-terminal lines.
Sub 3
184A500
Sub 3 184A514