7-Attachment A4. Extracted pages from 754578-051 N.pdf
PDF 271 KB Posted
- Solicitation number
- IFB-070-26-KM
- Issued by
- Leon County, Florida
About this file
This is a technical drawing specification document for ASCO Power Technologies related to an automatic transfer switch system with a 1000-1200 ampere rating, Type 3R/3RX enclosure (96 x 41 x 62 inches), designed for the City of Tallahassee Animal Service Center generator installation project in Tallahassee, Florida. The drawing (Document No. 754578-051, Revision SV, dated 09-26-25) provides comprehensive technical specifications for a floor-mounted electrical enclosure featuring a Square "D" RJF circuit breaker with ground fault protection and H-frame automatic/non-automatic transfer switch capabilities. The system accommodates both normal (Source 1) and emergency (Source 2) power sources with full-rated neutral connections available in solid, switched, or overlapping neutral pole configurations. The enclosure is constructed from code gauge steel with ANSI 61 gray polyester semi-gloss electrostatic powder finish for Type 3R units, or Type 304 or 316 stainless steel for Type 3RX units, and includes padlockable exterior doors with three-point latches designed for front and rear access.
The technical specifications detail termination requirements for 1000-1200 ampere systems supporting (4) 1/0-600MCM copper or aluminum cable per phase and neutral for all three sources (Source 1 Normal, Source 2 Emergency, and Load), with (12) 1/0-600MCM ground connections. Manufacturing tolerances conform to ASCO Procedure MP-I-003, with all bus constructed from silver-plated copper based on 1000 amperes per square inch density. The system is rated for 50,000 RMS symmetrical short circuit amperes at 240V and 480V for Source 1, and across 240V, 480V, and 600V for Source 2, with 25,000 RMS symmetrical at 600V for Source 1. The enclosure has an approximate weight of 2,050 pounds and includes lifting plates for proper handling, with recommended clearances of 36 inches front and 30 inches rear. Exterior vents with polyester dust filters are supplied for the 1200A configuration only.
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ASCO ®
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MANUFACTURING TOLERANCES TO BE IN
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ACCORDANCE WITH ASCO PROCEDURE MP-I-003.
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FOR PLASTIC PARTS SEE MP-I-055
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PROJECT
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APPROVAL
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APPROVAL
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FINAL
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DRAWN BY
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CHECKED
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BY
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DATE
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PROJECT NAME:
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ECN NO.
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ECN
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NO.
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COMPUTER GENERATED DRAWING
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ASSEM. REF. NO.
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SIZE
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DWG. NO.
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DRAWING
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REV.
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DS
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SCALE
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PROJECTION
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THIRD ANGLE
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REV. TO
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SHEET
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SHEET
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OF
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BY
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APP.
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DATE
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PROPERTY OF ASCO POWER TECHNOLOGIES. USE PERMITTED FOR OUR
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WORK ONLY. ALL RIGHTS OF DESIGN OR INVENTION ARE RESERVED.
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ASCO P
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OWER
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ECHNOLOGIES, L.P.
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FLORHAM PARK, NEW JERSEY 07932 U.S.A.
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AutoCAD SHX Text 754578-051
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SV
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JPB
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OUTLINE
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MOUNTING
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HAUS 1000A-1200A, RJF SE BREAKER
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TYPE 3R/3RX, 96 X 41 X 62
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INTERFACE
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USER
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CONTROLLER
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CONDUIT AREA
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BOTTOM
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%%UPLAN VIEW
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OPTIONAL ERMS SWITCH
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SOURCE 2 (EMERGENCY)
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.63 [15.88] MOUNTING HOLES 4 PLACES4 PLACES
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%%ULEFT SIDE VIEW
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%%UWITHOUT COVER
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%%UWITHOUT COVER
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%%UFRONT VIEW
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LOAD
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GROUND
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(WITH SWITCHED/OVERLAPPING NEUTRAL)
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(WITH SOLID NEUTRAL)
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JUMPER
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%%UONE LINE DIAGRAMS
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GROUND
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TRANSFER
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SWITCH
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DISCONNECT
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LINK
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NEUTRAL
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BONDING
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LOAD
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LN
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SWITCH
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CIRCUIT
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BREAKER
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TRANSFER
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NEUTRAL
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(EMERGENCY)
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GROUND
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DISCONNECT
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LINK
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BONDING
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JUMPER
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LOAD
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AUTOMATIC
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AUTOMATIC
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SOURCE 2
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(EMERGENCY)
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SOURCE 2
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(NORMAL)
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SOURCE 1
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(NORMAL)
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SOURCE 1
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%%USECTION 1T
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%%USYSTEM NOTES
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1. SYSTEM RATING: 1000 AMPS, 1200 AMPS.
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5. APPLICABLE LABEL(S): U.L. 891, SUITABLE ONLY FOR USE AS SERVICE EQUIPMENT.
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2. ALL BUS IS SILVER-PLATED COPPER, BASED ON 1000A PER SQ. IN. DENSITY.
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4. NEUTRAL: 100%%% RATED.
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3. GROUND: AS PER NEC.
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3. A FULL RATED NEUTRAL CONNECTION FOR EACH SOURCE AND THE LOAD IS OPTIONAL.
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WHEN PROVIDED IT IS IN ONE OF THE FOLLOWING FORMATS.
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A. SOLID NEUTRAL
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C. OVERLAPPING NEUTRAL POLE (NOT AVAILABLE ON ADTS, ACTS, NDTS & NCTS UNITS)
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B. SWITCHED NEUTRAL POLE
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%%UTRANSFER SWITCH
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1. H FRAME AUTOMATIC/NON-AUTOMATIC TRANSFER SWITCH.
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2. TRANSFER SWITCH RATING: 1000 AMPS, 1200 AMPS.
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4. UL 1008 OR CSA C22.2 No. 178.1
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%%UTERMINATIONS 1000A-1200A
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1. SWITCH CAN BE SUPPLIED WITHOUT LUGS (SEE SHEET 2).
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A. SOURCES, LOAD AND GROUND LUG KITS ARE ORDERED SEPARATELY.
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2. MECHANICAL (SCREW TYPE) LUGS FOR COPPER (CU) OR ALUMINUM (AL) CABLE
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A. SUITABLE WIRE BENDING SPACE IS PROVIDED AS PER NEC.
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SOURCE 2 (EMERGENCY): (4) 1/0-600MCM PER PHASE & NEUTRAL
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LOAD: (4) 1/0-600MCM PER PHASE & NEUTRAL
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SOURCE 1 (NORMAL): (4) 1/0-600MCM PER PHASE & NEUTRAL
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GROUND: (12) 1/0-600MCM
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%%UCIRCUIT BREAKER: ITEM 52U
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1. SQUARE "D" 80%%% RATED, TYPE 'RJF', 3000AF/1000AT OR 3000AF/1200AT STATIONARY
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GROUND FAULT TRIP SETTINGS.
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2. OPTIONAL ENERGY REDUCTION MAINTENANCE SETTING SYSTEM AVAILABLE UPON REQUEST.
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MOUNTED, MANUALLY OPERATED WITH LONG DELAY, SHORT DELAY, INSTANTANEOUS AND
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%%UWIRING/CABLING
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4. U.L. 489
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3. OPTIONAL 100%%% RATED AVAILABLE UPON REQUEST.
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2. WIRE SIZE TO BE BASED ON AMPACITY OF 75°C WIRE.
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3. USE 60°C MINIMUM CU WIRE FOR CONTROLS.
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FOR 80%%% RATED BREAKER - USE 75°C MINIMUM CU/AL WIRE FOR POWER CABLES.
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%%USOURCE 2 (EMERGENCY)
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2. USE 60°C MINIMUM CU WIRE FOR CONTROLS.
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1. USE 75°C MINIMUM CU/AL FOR POWER CABLES.
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DIMENSION ARE IN INCHES [MILLIMETERS]
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14 AWG
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6 AWG
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4 AWG
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1/0 AWG
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2/0 AWG
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3/0 AWG
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4/0 AWG
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250 MCM
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300 MCM
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350 MCM
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400 MCM
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500 MCM
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600 MCM
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750 MCM
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TABLE 1
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SEE TABLE 1 FOR METRIC TERMINATIONS
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%%USOURCE 1 (NORMAL) & LOAD
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1. FOR 100%%% RATED BREAKER - USE 90°C MINIMUM CU/AL WIRE FOR POWER CABLES.
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GFCT
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CIRCUIT
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BREAKER
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%%USECTION 1T
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GFCT
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SHORT CIRCUIT RATING:
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SOURCE 1 (NORMAL)
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CG
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%%U"RIGHT SIDE VIEW"
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CG
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%%USECTION 1T
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%%USECTION 1
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ON
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OFF
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ERMS
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%%UWITHOUT DOORS
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%%UFRONT VIEW
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CONDUIT AREA
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TOP
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%%UTOP VIEW
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CONDUIT AREA
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TOP
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1. FLOOR MOUNTED ENCLOSURE.
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%%UGENERAL NOTES
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4. RECOMMENDED CLEARANCES: FRONT: 36 [914.4] REAR: 30 [762].
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2. EXTERIOR DOOR HAVE PADLOCKABLE HANDLES WITH 3-POINT LATCH
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FINISH: ANSI 61 GRAY POLYESTER SEMI GLOSS ELECTROSTATIC POWDER.
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TYPE 3R (M) CONSTRUCTED FROM CODE GAUGE STEEL.
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3. DESIGNED FOR FRONT & REAR ACCESS.
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7. SECTION 1 & SECTION 1T SHIP AS 1 UNIT.
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8. CENTER OF GRAVITY.
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9. APPROXIMATE WEIGHT: 2050 LBS [930 KG].
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TYPE 3RX (R) EXTERIOR CONSTRUCTED FROM CODE GAUGE TYPE 304 STAINLESS STEEL.
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TYPE 3RX (S) EXTERIOR CONSTRUCTED FROM CODE GAUGE TYPE 316 STAINLESS STEEL.
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6. LIFTING PLATES: SECTIONS ARE SUPPLIED WITH LIFTING PLATES. INSPECT PLATES FOR DAMAGE
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5. EXTERIOR VENTS: 1000A: NO VENTS,
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1200A: VENTS ARE SUPPLIED WITH POLYESTER DUST FILTERS.
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SEE ECN
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MCH
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SG
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WHEN ORDERED WITH SWITCH.
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SEE ECN
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SV
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SV
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AutoCAD SHX Text SOURCE 2 (EMERGENCY) - REFER TO RATING LABEL ON TRANSFER SWITCH FOR ADDITIONAL RATINGS.
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SOURCE 1 (NORMAL) : 50,000 RMS SYM @ 240V, 480V.
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25,000 RMS SYM @ 600V.
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SOURCE 2 (EMERGENCY): 50,000 RMS SYM @ 240V, 480V, 600V.
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SEE ECN
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SV
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SV
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