DET-882 SecoGear Medium-voltage Switchgear Application and Technical Guide
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Wiring............................................................................................................................................................................................................................................ 60
Power Termination Compartment ..................................................................................................................................................................................... 60
Ground Bus .................................................................................................................................................................................................................................... 61
Equipment Heaters .................................................................................................................................................................................................................... 61
Finish and Paint ........................................................................................................................................................................................................................... 61
Unit Nameplates ......................................................................................................................................................................................................................... 61
Accessories .................................................................................................................................................................................................................................... 61
Breaker Test Box ..................................................................................................................................................................................................................... 61
Breaker Racking Mechanism ........................................................................................................................................................................................... 61
Ground and Test Device ..................................................................................................................................................................................................... 61
Identification of Breakers and Equipment ..................................................................................................................................................................... 62
Installation Information ................................................................................................................................................................................................................. 63
Shipping Splits .............................................................................................................................................................................................................................. 63
Indoor Foundation Preparation........................................................................................................................................................................................... 63
Anchoring Details........................................................................................................................................................................................................................ 64
Embedded Floor Channel Requirements ................................................................................................................................................................... 64
SECTION 7. Ground and Test Device ............................................................................................................................................... 66
Safety ...................................................................................................................................................................................................................................................... 66
TABLE OF FIGURES
Figure 1-1: Typical SecoGear 2-High Section ............................................................................................................................................................................1
Figure 1-2: Section Contents ...............................................................................................................................................................................................................2
Figure 1-3: Typical One-High Breaker ............................................................................................................................................................................................2
Figure 1-4: Typical Two-High Breakers .........................................................................................................................................................................................3
Figure 1-5: Dual VT Rollouts, Line/Bus Connected – Upper or Lower Section ..........................................................................................................4
Figure 1-6: Dual CPT Rollouts, Line/Bus Connected – Upper or Lower Section .......................................................................................................4
Figure 1-7: 1200 A/2000 A – Upper or Lower Breaker Section .........................................................................................................................................4
Figure 1-8: VT Rollout, Line/Bus Connected and Fuse Rollout, Line Connected – Lower Section ..................................................................4
Figure 1-9: Dual Rollouts .......................................................................................................................................................................................................................5
Figure 1-10: Single Rollouts .................................................................................................................................................................................................................5
Figure 1-11: Breaker in Compartment A, Bus-connected VTs in Compartment B .................................................................................................6
Figure 1-12: Breaker in Compartment A, Line-connected VTs in Compartment B ................................................................................................6
Figure 1-13: Breaker in Compartment A, Bus-connected VTs and CPT Fuse Rollout in Compartment B ..................................................6
Figure 1-14: Breaker in Compartment A, Line-connected CPT and VT Rollouts in Compartment B .............................................................6
Figure 1-15: Breaker in Compartment A, Line- and Bus-connected VT Rollouts in Compartment B ...........................................................7
Figure 1-16: Breaker in Compartment B, Bus-connected VT Rollout in Compartment A ...................................................................................7
Figure 1-17: Breaker in Compartment B, Bus-connected CPT in Compartment A.................................................................................................7
Figure 1-18: Bus Entry in Compartment A – Cabling Above, Breaker in Compartment B – Cabling Below ..............................................7
Figure 1-19: Breaker in Compartment B, Bus-connected VTs and CPT in Compartment A ..............................................................................8
Figure 1-20: Breaker in Compartment B, Line-connected VT Rollouts in Compartment A ................................................................................8
Figure 1-21: Typical Two-high Breaker Section – Cabling Below ....................................................................................................................................8
Figure 1-22: Typical Two-high Breaker Section – Cabling Above ...................................................................................................................................8
Figure 1-23: Breaker in Compartment A – Cabling Above, Bus Entry in Compartment B – Cabling Below ..............................................9
Figure 1-24: Breaker in Compartment A, Bus-connected VTs and Line-connected Fuse Rollout in Compartment B ........................9
Figure 1-25: Bus-connected VTs in Compartment A, Bus Tie Breaker in Compartment B ................................................................................9
Figure 1-26: Bus-connected VTs in Compartment A, Aux Tie in Compartment B ..................................................................................................9
Figure 2-1: SecoVac VB2+ Circuit Breaker ................................................................................................................................................................................ 10
Figure 2-2: Lift Truck ............................................................................................................................................................................................................................. 14
Figure 2-3: SecoVac VB2+ Breaker Front Panel ..................................................................................................................................................................... 15
Figure 2-4: Spring Discharge Instructions ................................................................................................................................................................................ 15
Figure 2-5: System Wiring Diagram ............................................................................................................................................................................................. 16
Figure 2-6: Terminal Block Located in Switchgear ............................................................................................................................................................... 16
Figure 2-7: Secondary Disconnect ............................................................................................................................................................................................... 16
Figure 2-8: Example – Main Breaker Control Circuit, 850 Relay, Expanded MOC Switch ................................................................................ 17
Figure 4-1: Multilin Website Features – Motor Protection Selection ........................................................................................................................... 26
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