41-971.3M Type HCB-1 Pilot Wire Relay System
18
APPROXIMATE RESISTANCE VALUES OF COMPONENTS IN HCB-1 RELAY
Transformer Secondary Winding
Start to Tap 20 to 30 ohms
Start to Finish 110 to 140 Ohms
Polar Unit Operating Coil 290-320
Polar Unit Restraining Coil
Maximum 12 - 16 ohms
Minimum 9 - 12 ohms
Resistor R
C
41 - 44 ohms
Tube Resistor R
0
Total of 1.6 ohms
Formed Resistor R
1
0.131 ohms
Rectifiers IN91 Germanium Diodes
Indicating Contactor
Switch
0.2 amp. Tap 6.5 ohms
2.0 amp. Tap o.15 ohms
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