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