background image

24

R E LI AG E A R® S B 

S W I TC H B OA R DS


44


45

Testing and inspection

DANGER

WARNING

CAUTION

NOTICE

SAFETY

INSTRUCTIONS

Warning:

 Keep equipment de-energized during 

cleaning and inspection. Failure to do so may 
result in serious injury or death. 

After the equipment has been installed and 
all connections made, test and inspect the 
switchboard before energizing. Although the 
equipment and devices have been inspected at the 
factory, perform a final field test to be certain that 
the equipment has been properly installed and that 
all connections are correct and have not loosened 
during transportation. Check all terminals, 
connections, and hardware for correct torque 
values. Check all Kirk key interlocking schemes 
to ensure desired performance. Make sure the 
incoming line is de-energized while all tests are 
in progress.

In addition to these mechanical checks, use a 
megohmmeter to test the switchboard. Open all 
switchoard devices, remove all instrumentation 
and control fuses, and isolate the neutral from 
ground. All scraps of wire, plaster, dust, and other 
foreign material must be removed. Vacuuming is 
recommended. Use a megohmmeter developing 
500 volts. Conduct electrical insulation resistance 
tests from phase to phase, phase to ground, phase 
to neutral, and neutral to ground. If any 
switchboard tested under the above conditions 
shows resistance values less than 1 megohm, 
inspect it for possible tracking on insulation or 
insulation breakdown. For additional details 
consult* ANSI/NEMA PB 2.1.


45 
Typical single-source 
ground-fault protection 
using integral 
ground-fault trips. 


44 
Typical single-source 
ground-fault protection 
using ground-fault relays

Summary of Contents for ABB ReliaGear SB

Page 1: ...INSTALLATION OPER ATIONS AND MAINTENANCE MANUAL ReliaGear SB Switchboards ...

Page 2: ......

Page 3: ...asures and classifications 05 07 Pre installation 08 11 Installation Switchboard location and requirements 12 21 Installation Multiple switchboard 22 25 Installation Accessories and devices 26 27 Switchboard maintenance 28 29 Reference document numbers ...

Page 4: ...ein does not cover all details or variations in hardware and software nor does it provide for every possible contingency in connection with installation operation and maintenance Features may be described herein that are not present in all hardware and software systems ABB assumes no obligation of notice to holders of this document with respect to changes subsequently made ABB makes no representat...

Page 5: ...eceiving Prior to shipment the ReliaGear SB switchboard is given a final inspection and packaged using precautions to minimize the possibility of shipping damage The switchboard may be divided into sections and shipped on multiple skids Upon receiving the switchboard remove all packaging and check the packing list against the equipment received to validate a complete shipment Additionally all equi...

Page 6: ... points when lifting the equipment Do not pass cables or ropes through support holes Always use load rated inspected and approved shackles or safety hooks to attach hoisting equipment to the lifting points Rig slings so that the legs are no less than 45 from horizontal as shown in Figure 3 Crane Hoist 45 minimum Lifting slings spreaders blocking and other lifting equipment is not included with the...

Page 7: ...CE SAFETY INSTRUCTIONS Caution Remove all cartons and other miscellaneous packing materials from inside the units before energizing any heaters or lamps Forklift Only trained personnel should operate the forklift Make sure the switchboard is on a solid surface and be aware of wet floors and other hazardous conditions The switchboard load should be properly distributed to avoid damage to the equipm...

Page 8: ...ese include arrangement drawings front end and plan views connection diagrams and schedule of equipment Any material external to the equipment that may be required to meet any local codes such as mats screens or railings is not included Installations in damp areas may have additional requirements in the National Electrical Code NEC Positioning When locating the switchboard confirm that the install...

Page 9: ... of the channels flush with the finished floor To avoid distortion of the switchboard structure the steel channels must be level and aligned with each other before the equipment is anchored The recommended foundation construction and method of mounting the switchboard to the foundation are shown in Figure 6 Channels should be grouted after installation If using a housekeeping pad be sure to verify...

Page 10: ... inches above the bottom of the switchboard not including floor sills according to NEC Table 408 5 Conduits including the conduit sleeves cannot extend more than 3 inches above the bottom of the enclosure according to NEC 408 5 Note that the switchboard must be lifted over any conduit stubs previously installed in the foundation Terminate the conduits at the switchboard with the appropriate condui...

Page 11: ... 8 1 16 6 Note 2 The SI units are minimum values and are not a direct conversion from the coresponding values in inches Reference NMX J 118 2 ANCE 2019 CSA C22 2 No 244 19 UL891 Bolt size in Tensile strength psi Torque lb ft 20 120 000 4 5 16 18 120 000 9 3 8 16 120 000 16 13 60 000 39 13 with 21 4 Belleville Washer 60 000 35 5 8 16 60 000 80 Hardware type Hardware size Cable size AWG MCM Torque l...

Page 12: ...der utility or incoming lug pull sections to individually mounted main feeder utility or incoming lug pull sections as well as to individually mounted main feeder utility or incoming lug pull sections to group mounted distribution sections Be sure to align the sections according to the drawings provided by the supplier for the specific installation To connect straight splices first remove the sing...

Page 13: ... sections The diagrams are organized as follows 14a 14a Straight Splice Shipping position 14c 14c Straight Splice Final position 14b 14b Straight Splice Rotating the splice plates Straight splices 14a 14c Main bus splices Figures 15 20 Offset main bus splices Figures 21 25 Neutral bus splices Figures 26 28 Neutral offset bus splices Figures 29 34 Ground bus splices Figure 35 ReliaGear Evolution to...

Page 14: ... main feeder utility or incoming lug section 5 6 2 1 3 7 4 17 Individually mounted main feeder utility or incoming lug section 16 Main bus splice ISO View for two individually mounted main feeder utility or incoming lug pull sections with 400 3000A aluminum or copper main bus The Main Bus Hardware 4 and Splice Pivoting Hardware 7 may need to be loosened prior to rotating the Splice Bar s 5 into pl...

Page 15: ...lice ISO View for two individually mounted main feeder utility or incoming lug pull sections with 4000A aluminum or copper main bus 19 Main bus splice Front and Top Views for individually mounted main feeder utility or incoming lug pull sections with 5000 6000A aluminum or copper main bus 20 Main bus splice ISO View for two individually mounted main feeder utility or incoming lug pull sections wit...

Page 16: ...rque accordingly Refer to Table 1 for the correct torque value 22 The following Figures 22 through 25 are applicable for 400A 600A 800A 1000A 1200A 1600A 2000A 2500A 3000A and 4000A bus configurations 1 Splice locator 2 Slot in splice bar 3 Splice securing hardware 4 Offset splice bars 3 4 2 1 22 Offset Main Bus Splice Adjustment detail 23 1 13 Bolt with washer 2 Left side splice bars 3 Right side...

Page 17: ...nections for all ampacities Neutral bus Neutral bus Neutral bus splice 26 Neutral Bus Splice Top View of two individually mounted main feeder utility or incoming lug pull sections with 400 1200A aluminum or copper neutral bus 27 Neutral Bus Splice Top View of two individually mounted main feeder utility or incomin lug pull sections with 1600 4000A aluminum or copper neutral bus 26 27 Neutral bus s...

Page 18: ... the provided 13 Grade 5 bolts and torque accordingly Refer to Table 1 for the correct torque value 30 30 Neutral Offset Bus Splice Detailed ISO View for 400A 600A 800A 1000A and 1200A bus 1 13 Bolt with washers 2 Splice bar 3 13 Bolt with washers 5 1 2 3 4 4 Right side neutral bus 5 Left side neutral bus 31 31 Neutral Offset Bus Splice Top View for 400A 600A 800A 1000A and 1200A bus 32 32 Neutral...

Page 19: ...ing lug pull section to an individually mounted main feeder utility section with 400 4000A aluminum or 400 6000A copper ground bus 34 35 36 Splicing ReliaGear Evolution and Spectra Bus The following images concern the splicing of ReliaGear Evolution bus to Spectra bus or vice versa Only 13 Grade 5 hardware should be used in splicing ReliaGear Evolution bus and Spectra bus Splices ship attached in ...

Page 20: ...eference 39 Splicing ReliaGear Evolution and Spectra Bus ISO View of 6000A bus configuration shown for reference 1 13 Hexagonal bolt 2 Lock washer 2а Belleville washer 3 Flat washer 4 13 Press nut Ref Spectra horizontal bus Splices Spectra horizontal bus Splices ReliaGear Evolution horizontal bus Ref ReliaGear Evolution horizontal bus Detail A Detail A Top view 2а 4 3 2 1 Detail A Ref Spectra hori...

Page 21: ...reference 41 Splicing ReliaGear Evolution and Spectra bus Top View of 3000A offset bus configuration shown for reference 42 Splicing ReliaGear Evolution and Spectra bus 3000A offset bus configuration splice components 40 Isometric view offset splicing assembly Ref Spectra horizontal bus Ref ReliaGear Evolution horizontal bus 41 Offset splice hardware 13 Hex bolt Split rock washer CU or Belleville ...

Page 22: ...shing and around the cable braces if applicable between the phases Tie a knot to the cable brace or cable as the last revolution is completed All revolutions must be as tight as possible to prevent whipping during a short circuit event For GenTower connections it is recommended that all cables outside the equipment be secured together with at least six revolutions and a span of 15 inches between s...

Page 23: ...he supply side of any ground fault sensors involving the neutral conductor Do not make grounding connections to the neutral conductor on the load side of the service disconnect On load feeders run all phase conductors and neutral if used through the sensor window s with all in the same direction with respect to sensor polarity Do not run equipment ground conductors through ground fault sensors Con...

Page 24: ...d performance Make sure the incoming line is de energized while all tests are in progress In addition to these mechanical checks use a megohmmeter to test the switchboard Open all switchoard devices remove all instrumentation and control fuses and isolate the neutral from ground All scraps of wire plaster dust and other foreign material must be removed Vacuuming is recommended Use a megohmmeter de...

Page 25: ...main devices then the feeder devices and finally the branch circuit devices Turn each device on with a firm positive motion Arcing energy reduction functions Per the NEC clause 240 87 when the circuit rating is 1200A or higher an arc energy reduction function is required For field commissioning of the Reduced Energy Let through RELT function reference the Arc flash energy reduction using second I ...

Page 26: ...d hardware to the values specified in Table 1 to eliminate possible heating points Transmission of vibrations through the building structure and conduits to the switchboard may loosen hardware Turning the load off and on causes expansion and contraction between lugs and cables which tends to loosen the lug hardware Do not open sealed circuit breakers or trip units as this may disturb the calibrati...

Page 27: ...ontaminated water Consult ABB Field Services for guidance When equipment has become exposed to non contaminated water observe the following points during maintenance Completely de energize the switchboard Carefully clean and dry all parts of the switchboard When using heaters make sure the temperature does not exceed 180 F Replace all fuses Inspect all individual devices for the entrance of water ...

Page 28: ...E Tmax XT7 XT7M Installation Instructions XT7 XT7M 1SDH001821A1002 SACE Tmax XT7 User manual for use and maintenance of Ekip Touch Trip units for Tmax XT7 low voltage molded case circuit breakers 1SDH002039A1002 SACE Tmax XT Operation and maintenance manual for Ekip Touch Trip Units 1SDH002031A1002 Tmax XT2 XT4 User manual for use and maintenance of Ekip Touch Trip units for Tmax XT2 XT4 low volta...

Page 29: ...ndard for Panelboards UL 98 Fourteenth Edition Enclosed and Dead Front Switches UL 489 Thirteenth Edition Molded Case Circuit Breakers Molded Case Switches and Circuit Breaker Enclosures UL 891 Twelfth Edition Switchboards UL 969 Fifth Edition Standard for Marking and Labeling Systems National Electric Code 2020 Edition NEMA PB1 2011 Edition Panelboards NEMA PB2 2011 Edition Deadfront Distribution...

Page 30: ...30 RELIAGEAR SB SWITCHBOARDS ...

Page 31: ......

Page 32: ...itability or availability with respect to the information products services or related graphics contained in the document for any purpose Any reliance placed on such information is therefore strictly at your own risk ABB reserves the right to discontinue any product or service at any time Copyright 2020 ABB All rights reserved ABB Inc 305 Gregson Drive Cary NC 27511 USA abb com contacts abb com lo...

Reviews: