Contactor PKG-566 is designed to turn on and off the resistance of the shunt excitation windings of the TED.
| Basic drawing | 2ТХ.422.001-8 | 
| Analog drawing | IAKV.644.665.002-06 | 
| Main circuit current, A | 450 | 
| Main circuit voltage, V | 900 | 
| Auxiliary circuit current, A | 6,3 | 
| Auxiliary circuit voltage, V | 110 | 
| Valve coil voltage, V | 110 | 
| Number of contacts, pcs | 2s / 2p | 
| Number of groups, pcs | 6 | 
| Weight, kg | thirty |