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601 Old Airport Road • Bristol, VA 24201   Phone (276) 669-4084 • FAX (276) 669-1869 • www.federalpacific.com • ISO9001:2015

SECTION IB-2D-700

INSTALLATION & OPERATION INSTRUCTIONS

PMDF PAD-MOUNTED SWITCHGEAR 

NOVEMBER 2017 VER. 2.1

PAGE 2

SAFETY INFORMATION

Understanding Safety-Alert Messages

There are several types of safety-alert messages which may 

appear throughout this instruction bulletin as well as on labels 

attached to the pad-mounted switchgear. Familiarize yourself 

with these types of messages and the importance of the various 

signal words, as explained below.

If you do not understand any portion of this instruction bulletin 

and need assistance, contact the Switchgear Division of Federal 

Pacific at 276-669-4084.

Replacement Instructions & Labels

If you need additional copies of this instruction bulletin, contact 

Federal Pacific at 276-669-4084. 
It is important that any missing, damaged, or faded labels on the 

equipment be replaced immediately. Replacement labels are 

available by contacting Federal Pacific.

SAFETY PRECAUTION

FOLLOWING SAFETY INSTRUCTIONS

NOTICE

Thoroughly and carefully read this instruction 

bulletin before installation of the pad-mounted 

switchgear, before switching with elbows or 

installing or accessing the metering transformers 

in this equipment, and before performing any 

maintenance on the equipment.

......

DANGER

Federal Pacific Fuse Mountings in conjunction with appropri-

ate fuses are designed to protect equipment and to disconnect 

faulted equipment from the system. The fuses cannot protect 

personnel from injury or electrocution if contact is made with 

energized circuits or hardware.

NOTICE

NOTICE is used to address practices not related to physical 

injury .

SAFETY 

INSTRUCTIONS

Safety Instructions (or equivalent) signs indicate specific safety-

related instructions or procedures .

DANGER indicates a hazardous situation which, if not avoided, 

will result in death or serious injury .

DANGER

WARNING

WARNING indicates a hazardous situation which, if not avoided, 

could result in death or serous injury .

CAUTION

CAUTION indicates a hazardous situation which, if not avoided, 

could result in minor or moderate injury .

Summary of Contents for PMDF Series

Page 1: ...utility performing and authorizing the work Completion of these instructions implies no further warranty by the manufacturer A Qualified Person is defined in the National Electrical Code NEC NFPA 70 as One who has skills and knowledge related to the construction and op eration of the electrical equipment and installations and has received safety training to recognize and avoid the hazards involved...

Page 2: ...ent labels are available by contacting Federal Pacific SAFETY PRECAUTION FOLLOWING SAFETY INSTRUCTIONS NOTICE Thoroughly and carefully read this instruction bulletin before installation of the pad mounted switchgear before switching with elbows or installingoraccessingthemeteringtransformers in this equipment and before performing any maintenance on the equipment DANGER Federal Pacific Fuse Mounti...

Page 3: ...nish the protective film must be removed for outdoor storage of unit Export or special packing is available as an option based on customer s requirements and special conditions Separate in structions are available for these situations Figure 2 Lifting Method General Description PMDF dead front pad mounted switchgearconsistsofoneormore single pole 200 ampere bushing wells to accommodate 200 ampere ...

Page 4: ...plied between unit base and pad to prevent entry of foreign objects vegetation insects animals and moisture Figure 3 Typical pad layout and associated circuit diagram for one particular PMDF design DO NOT USE FOR CONSTRUCTION PURPOSES 2 Connect the concentric neutral wires to the enclosure ground padsinsidetheenclosuretofacilitategroundsystemconforming to user s grounding procedures The maximum mo...

Page 5: ... requirements Bushing Wells The 200 ampere bushing wells accommodate 200 ampere elbow separableinsulated loadbreakconnectorsandaccessories The unitsareshippedwithayellowdustcoverovereachbushingwell topreventcontamination DustcoversareNOTcapableofprovid inganyelectricalinsulationatmediumvoltagelevels Therefore if an elbow is not to be connected to a bushing well prior to energization the dust cover...

Page 6: ...reak Elbows 1 Removethepadlockandfullyloosenthepenta headbolt Pull and lower the door handle cover to open the active elbow compartmentdoorandsecurewiththewindbrace SeeFigures 7 through 14 2 Loosenthetwopentaheadboltsthatsecurethepassiveelbow compartment door and secure it open using the windbrace 3 System operating practices may allow loadbreak elbows to be switched while the associated cable is ...

Page 7: ...lation of Metering Transformers 1 Removethepadlockandfullyloosenthepenta headbolt Pull and lower the door handle cover to open the active elbow compartmentdoorandsecurewiththewindbrace SeeFigures 7 through 14 2 Loosenthetwopentaheadboltsthatsecurethepassiveelbow compartment door and secure it open using the windbrace 3 Loosenthepenta headboltsoneachinnerbarrierandsecure them open using the pin pro...

Page 8: ... 315 R6 200 15 95 54 54 51 22 28 14 14 7 NA NA 22 62 62 46 46 PMDF 315 L9 200 15 95 54 54 51 22 28 14 14 7 5 8 5 8 22 62 62 46 46 PMDF 325 R6 200 25 125 66 66 51 24 1 2 30 1 2 17 1 2 16 8 1 2 NA NA 24 74 74 58 58 PMDF 325 L9 200 25 125 66 66 51 24 1 2 30 1 2 17 1 2 16 8 1 2 6 8 3 8 24 74 74 58 58 PMDF 335 R6 200 35 150 76 66 53 24 1 2 33 22 1 2 18 5 16 12 9 16 5 5 8 8 1 2 24 74 84 68 58 34 5 kV de...

Page 9: ...oor handle See Figures 8 through 10 Figure 13 Padlock cannot be inserted until penta head bolt is fully tightened Figure 14 Always close latch and padlock the enclosure door before leaving the unit or when working on the opposite side Figure 10 Door handle cover is secured closed by a penta head or hex head bolt Turn socket counter clockwise to loosen bolt Figure 9 Door handle is stainless steel F...

Page 10: ...sformer compartment of the switchgear 2 Checkforcleanlinessgenerally butparticularlyforaccumula tionofanyforeignmaterialoninsulators barriersandmetering transformers Barriersandinsulatorscanbecleanedwithanon alcoholbased cleaner that does not leave any residue when dry Residue must be removed Optional Features Standard options can be supplied that best serve the customer s needs and operating prac...

Page 11: ...l VA 24201 Phone 276 669 4084 FAX 276 669 1869 www federalpacific com ISO9001 2015 SECTION IB 2D 700 INSTALLATION OPERATION INSTRUCTIONS PMDF PAD MOUNTED SWITCHGEAR NOVEMBER 2017 VER 2 1 PAGE 11 This Page Intentionally Left Blank ...

Page 12: ...PAD MOUNTED SWITCHGEAR NOVEMBER 2017 VER 2 1 PAGE 12 This Page Intentionally Left Blank Every effort is made to ensure that customers receive an up to date instruction manual on the use of Federal Pacific products however fromtimetotime modificationstoourproductsmaywithoutnoticemaketheinformationcontained herein subject to alteration 2014 Electro Mechanical Corporation ...

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