Eaton Electrical Magnum Transfer Switch Figure 37. Transfer from Normal Switching Device to Normal Bypass Switching Device, Steps 1-4.

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Instructional Booklet
Effective: March 2007 Page 27
Fixed and Drawout Magnum Transfer Switches
Figure 37. Transfer from Normal Switching Device to Normal Bypass Switching Device, Steps 1-4.
Rack Out and
Inspect/Maintain
Switch
Place Generator
In OFF Position
Cutler-Hammer
Digitrip 3000 Operational
High Load
Communications
Trip
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Pickup (x In)
Time
Program
Phase
Ground
I
I
I
RMS Amperes
Settings/Test Time/Trip Cause
Test
Program
Test
Pickup (x In)
Instantaneous
Short Delay
Amp Demand
I
Cutler-Hammer
Phase
Phase Phase
Phase
Ground
Digitrip 3000 Operatio
High
Commun
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Time
Program
Phase
Ground
RMS
Settings/Test
Time/Trip Cause
Short Delay
Cutler-Hammer
Digitrip 3000 Operational
High Load
Communications
Trip
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Pickup (x In)
Time
Program
Phase
Ground
I
I
I
RMS Amperes
Settings/Test Time/Trip Cause
Test
Program
Test
Pickup (x In)
Instantaneous
Short Delay
Amp Demand
I
Cutler-Hammer
Phase
Phase Phase
Phase
Ground
Digitrip 3000 Operatio
High
Commun
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Time
Program
Phase
Ground
RMS
Settings/Test
Time/Trip Cause
Short Delay
Cutler-Hammer
Digitrip 3000 Operational
High Load
Communications
Trip
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Pickup (x In)
Time
Program
Phase
Ground
I
I
I
RMS Amperes
Settings/Test Time/Trip Cause
Test
Program
Test
Pickup (x In)
Instantaneous
Short Delay
Amp Demand
I
Cutler-Hammer
Phase
Phase Phase
Phase
Ground
Digitrip 3000 Operatio
High
Commun
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Time
Program
Phase
Ground
RMS
Settings/Test
Time/Trip Cause
Short Delay
2
Source 1
3
Rack Source 1
Switch Back
into Its
Location
Switch Will
Automatically
close
Cutler-Hammer
Digitrip 3000 Operational
High Load
Communications
Trip
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Pickup (x In)
Time
Program
Phase
Ground
I
I
I
RMS Amperes
Settings/Test Time/Trip Cause
Test
Program
Test
Pickup (x In)
Instantaneous
Short Delay
Amp Demand
I
Cutler-Hammer
Phase
Phase Phase
Phase
Ground
Digitrip 3000 Operatio
High
Commun
Time Overcurrent
Curve Shape
Pickup (x In)
Time Multiplier
Time
Program
Phase
Ground
RMS
Settings/Test
Time/Trip Cause
Short Delay
4