11
43
Incorrect opening time, coil II
Incorrect damping
Incorrect CLOSE/OPEN time
Too high resistance
Incorrect pre-insertion time for the resistors
Incorrect time span between contacts
4. External circumstances
(Many alternatives may be selected)
Strong wind
Rain
Sudden variation in temperature
Snow, ice or hoar-frost
Corrosive atmosphere
Fog or high humidity
Lightning
o
Ambient temperature(
C)
5. Component responsible (Many alternatives may be selected)
Components at service voltage
Making and breaking unit
Current collector hub
Plug
Laminar contact
Top cap
Interrupting Chamber insulator
Vacuum interrupter
Top terminal plate
Bottom terminal plate
Содержание OVB-SDB
Страница 26: ......
Страница 49: ...Fig 1 Lifting of Circuit Breaker 50 ...
Страница 52: ...Fig 4 Breaker Pole Assembly Refer legend on pg 48 53 ...
Страница 53: ...Fig 5 Schematic Circuit Diagram 54 ...
Страница 55: ...15029 15027 15028 Fig 7 ESH Mechanism with Cabinet Refer legend on pg 49 56 ...
Страница 56: ...Fig 8 ESH Mechanism with operating rod and lever Refer Legend on pg 49 15000A 15036 15035 15034 57 ...
Страница 60: ...Disconnect the motor power supply 7 Fig 15 Motor 61 ...
Страница 62: ...Fig 18 The Magnetic Actuator 63 ...
Страница 63: ...Notes ...