GEF-4649A " --.. :' '; \_ ,,_. GE Drive Systems ...-,- Renewal Parts HEAVY DUTY DC CONTACTORS DS303A3 (600V STYLE) DS303B3 (IOOOV STYLE)

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1 . :' '; \_,' " --..,,_...-,- GEF-4649A GE Drive Systems Renewal Parts HEAVY DUTY DC CONTACTORS DS303A3 (600V STYLE) DS303B3 (IOOOV STYLE)

3 I DS303 I A I 3 I A I 01 I A I B I c I AF lla I ~ L Special setting and stamping Electric interlock (See Table 4) Operating coil and voltage rating (See Table 3A or 38) Normally closed blowout coil rating 1 or 2 poles- bottom (See Table 2) Normally open blowout coil rating 1 or 2 poles - top (See Table 2) Electro-mechanical configuration Contact pole configuration (See Table 1) NE!I-iA Size Rating (100 Amps) Design (A = 600V, B = IOOOV) Basic catalog number TABLE 1 NAMEPLATE IDENTIFICATION OF CONTACT POLE CONFIGURATION A 1 NORMALLY OPEN B 1 NORMALLY CLOSED c 2 NORMALLY OPEN D 1 NORMALLY OPEN AND 1 NORMALLY CLOSED E 2 NORMALLY OPEN AND 1 NORMALLY CLOSED F 2 NORMALLY OPEN AND 1 NORMALLY CLOSED F 2 NORMALLY OPEN AND 2 NORMALLY CLOSED G 1 NORMALLY CLOSED WITH HOLDING COIL J 1 NORMALLY OPEN AND 1 NORMALLY CLOSED WITH HOLDING COIL K 2 NORMALLY OPEN AND 1 NORMALLY CLOSED WITH HOLDING COIL L 2 NORMALLY OPEN AND 2 NORMALLY CLOSED WITH HOLDING COIL TABLE 2 BLOWOUT COILS See nameplate reading above Blowout Current Coil Coil Rating Ref. No. 1 Letter A Less B.O. -- E* 25 amp 259A5635G3 F* 50 amp 259A5635G2 G* 100 amp 259A5635G1 * Order 1nsulat1on tube cat. no. 259A5643P2 and qty. 2 insulation spacers 259A5688P1. PARTS RECOMMENDED FOR STOCK Quantity Required for Ref. 1 N.O. 1 N.C. 1 N.O. 2 N.O. 2 N.O. 2N.O. Catalog Description No. 1 N.C. 1 N.C. 2 N.C. Number Operating coil (see table 3A or 38) Holding coil (see table 3A or 3B) 4 # # - # # # Electrical interlock (see table 4) A5675P1 Tension spring for armature P1 Tension spring for armature P1 Tension spring for armature A5637G1 Stationary tip assembly B6285G1 Arc chute. complete A5640G1 Movable tip assembly A5673P1 Compression spring for movable contact finger (used with holding coil) P1 Compression spring for movable contact finger (used without holding coil) A5644G1 Shunt for movable contact finger # If interlock is used. a quantity of one set is required for each interlock. 1

4 GEF-4649A DS303A3 HEAVY DUTY DC CONTACTORS ~--~ 48--~--~~--~~~~~~==~~======~ ~~==~-=====~-H 5~~u 9+R DS303A3 1 N.O. Contact ~~~~~ ~ ~~:Jn 10 II 6 II DS303A3 2 N.O. and 1 N.C. Contact 2

5 DS303A3 HEAVY DUTY DC CONTACTORS GEF-4649A LIST OF PARTS Quantity Required for Ref. 1 N.O. 1 N.C. 1 N.O. 2 N.O. 2N.O. 2N.O. Catalog Description No. 1 N.C. 1 N.C. 2 N.C. Number Blowout coil (see table 2) Operating coil (see table 3A or 38) Holding coil (see table 3A or 38) 4* Electrical interlock (see table 4) N931P68C6 Coil retainer ring N931P112C6 Coil retainer ring A2698P1 Coil retainer G1 Magnet frame with core for operating coil B5696G2 Magnet frame with core for operating coil G1 Magnet frame with core for holding coil B5694G2 Magnet frame with core for holding coil B6248G4 Armature assembly A8170G1 Armature assembly B172G3 Armature assembly B172G2 Armature assembly B172G1 Armature assembly A5675P1 Tension spring for armature P1 Tension spring for armature P1 Tension spring for armature B6287G1 Spring support G1 Spring support G2 Spring support A8166G1 Terminal block A5940G3 Terminal block A5940G6 Terminal block A5940G1 Terminal block 13* P8 Terminal block support 14* P1 Adjusting screw for tension spring 15* N144P16010C6 Screw fastening terminal block to supporting bracket P4 Mounting bracket N144P16006C6 Screw fastening mounting bracket to magnet frame A2001 UTP1 Supporting bracket, bottom B5702P2 Supporting bracket, bottom B5702P1 Supporting bracket, top N26P21008B6 Screw fastening brackets to magnet frame N144P21008C6 Screw fastening brackets to magnet frame A9802P1 Eyebolt for tension spring A5637G1 Stationary tip assembly P2 Mounting screw for stationary tip B6280P1 Blowout coil support A5628P1 Arc horn for stationary tip A5633G1 Pole piece with core B6281P2 Pole piece N51P16008B6 Screw fastening pole pieces together B6285G1 Arc chute, complete 33A A5630P1 Latch screw A5640G1 Movable tip assembly A5673P1 Compression spring for movable contact finger (used with holding coil) A5673P1 Compression spring for movable contact finger P1 Com_Qression SQring for movable contact finaer *Not Shown LIST OF PARTS CONT'D NEXT SHEET 3

6 GEF-4649A DS303A3 HEAVY DUTY DC CONTACTORS LIST OF PARTS (Cont'd) Quantity Required for Ref. 1 N.O. 1 N.C. 1 N.O. 2 N.O. 2N.O. 2 N.O. Catalog Description No. 1 N.C. 1 N.C. 2 N.C. Number A5672G2 Movable tip support A5674P1 Spring seat 39* N144P16006C6 Screw with lock washer fastening tip to shunt A5644G1 Shunt for movable contact finger 41* A8165P2 Arc barrier N144P15008C6 Screw fastening spring seat to support A5629P1 Arc chute support A5995G1 Arc chute support A8159P1 Arc chute support A8159P2 Arc chute support A8167P1 Arc chute support P1 Spacer for movable tip G1 Terminal support N144P16012C6 Screw fastening spacer to movable tip B6283G1 Movable tip assembly (complete - N.O.) B6283G3 Movable tip assembly (complete - N.C.) A4995P2 Insulation (1 000 volt form only) Not Shown 4

7 DS303A3 HEAVY DUTY DC CONTACTORS GEF-4649A TABLE 3A OPERATING AND HOLDING COILS See nameplate reading on page 1 (1 N.O., 1 N.C., 1 N.O. - 1 N.C. Poles) Operating Holding Pick-up Coil No. Volts Coil Volts Coil Resistor Rectifier A /250 22D154G2A A /120 22D154G3A A /500 22D154G4A A D154G5A A D154G5A A D154G17A A D154G18A A009 18/20 22D154G29A A D154G15A A D154G9A A D154G34A A014 48/50 22D154G6A A016 62/68 22D154G9A A D154G11A A D154G11A A D154G11A A D154G22A A D154G36A A D154G10A A D154G12A A D154G21A A D154G13A A D154G39A A AMPS 22D154G14A A AMPS 22D154G19A A AMPS 22D154G20A A AMPS 22D154G37A A055.40AMPS 22D154G43A A502* 230/250 22D154G2A A503* 115/120 22D154G3A A AC 22D154G16A --- A50E150DA-TH IC3500A403C2 A AC 22D154G3A --- A50E500DA-TH IC3500A403C6 A AC 22D154G2A --- A50E2000DA-TH IC3500A403C5 A AC 22D154G4A IC3500A403C8 J /250 22D154G2A 230/250 22D154G2A - - J /120 22D154G3A 115/120 22D154G3A - - J D154G4A D154G4A - - J /600 22D154G5A 550/600 22D154G5A - - J D154G22A D154G21A - - J D154G16A 62 22D154G16A - - J /120 22D154G3A 230/250 22D154G2A - - J D154G16A D154G2A - - J D154G6A 48 22D154G6A - - J D154G12A D154G13A - - J D154G10A D154G21A - - J D154G12A 230/250 22D154G2A - - J D154G D154G21A - - J /250 22D154G2A D154G4A - - J D154G12A D154G12A - - J D154G9A 32 22D154G9A - - J D154G22A 90 22D154G22A - - J D154G39A D154G39A - - J D154G11A 78 22D154G11A - - J D154G34A 38 22D154G34A - - *Order no1se suppressor cat. no. 128C4095G4 for DS303A3A N.O. contact. Order noise suppressor cat. no. 128C4095G5 for DS303A3B N.C. contact. 5

8 GEF-4649A DS303A3 HEAVY DUTY DC CONTACTORS TABLE 38 OPERATING AND HOLDING COILS See nameplate reading on page 1 (2 N.O., 2 N.O. - 1 N.C., 2 N.O. - 2 N.C. Poles) Operating Holding Coil No. Volts Coil Volts Coil A /250 22D101G2A --- A /120 22D101G3A --- A /500 22D101G5A --- A D101G6A --- A D101G6A --- A D101G16A --- A009 18/20 22D101G21A --- A D101G18A --- A D101G27A --- A D101G1~A --- A D1 01G119A --- A014 48/50 22D101G8A --- A016 62/68 22D101G4A --- A D101G25A --- A D101G7A --- A D101G15A --- A D101G118A --- A D101G111A --- A D101G11A --- A D101G115A --- A /190 22D101G12A --- A D101G112A --- A D101G10A --- A D101G17A --- A D101 G125A --- A D101G113A --- A D101G121A --- A D101G126A --- A502* 230/250 22D101G2A --- A503* 115/120 22D101G3A D101G123A --- C D101G128A --- C D101G127A --- G D101G G D101G G D101G G D101G G009 18/20 22D101G G D101G G D101G G015 55/60 22D101G G D101G G D101G TABLE 38 conttnued on next sheet Order noise suppressor cat. no. 128C4095G16 for DS303A3C 2 N.O. contacts. Order noise suppressor cat. no. 128C4095G17 for DS303A3E Pick-up Resistor 2 N.O.- 1 N.C. contacts. 2 N.O. - 2 N.C. contacts. Rectifier

9 DS303A3 HEAVY DUTY DC CONTACTORS GEF-4649A TABLE 38 (Cont'd) OPERATING AND HOLDING COILS See nameplate reading on page 1 (2 N.O., 2 N.O. - 1 N.C., 2 N.O. - 2 N.C. Poles) Coil No. Volts G G G G G AC G AC G AC G AC G AC J /250 J /120 J J /600 J J J J J J /250 J /250 J /120 J /120 J /120 J /250 J J J J J J J J J /250 J J /250 J J /250 J J Operating Holding Pick-up Coil Volts Coil Resistor 22D101G D101G D101G D101G D101G15A --- A50E25DA-TH 22D101G12A --- A50E150DA-TH 22D101G17A --- A50E750DA-TH 22D101G5A --- A50E750DA-TH 22D101G10A --- A50E400DA-TH 22D101G2A 230/250 22D163G2A 22D101G3A 115/120 22D163G3A 22D101G5A D163G10A 22D101G6A 550/600 22D163G5A 22D101G4A 62 22D163G6A 22D101G12A 230/250 22D163G2A 22D101G15A 230/250 22D163G2A 22D101G15A D163G7A 22D101G7A 230/250 22D163G2A 22D101G2A D163G7A 22D101G2A D163G10A 22D101G3A D163G10A 22D101G3A D163G7A 22D101G3A 230/250 22D163G2A 22D101G2A 115/120 22D163G3A 22D101G119A 38 22D163G13A 22D101G1A D163G7A 22D101G7A 62 22D163G6A 22D101G12A D163G11A 22D101G111A D163G15A 22D101G4A 62 22D163G6 22D101G7A 78 22D163G16A 22D101G121A 550/600 22D163G5A 22D101G2A 32 22D163G17A 22D101G2A 56 amps 278A919G3 22D101G amps 278A919G3 22D101G / A919G2A 22D101G / A919G2A 22D101G26A A919G9A 22D101G25A A919G45 Rectifier IC3500A403C2 IC3500A403C6 IC3500A403C5 IC3500A403C8 IC3500A403C

10 GEF-4649A DS303A3 HEAVY DUTY DC CONTACTORS TABLE 4 ELECTRICAL INTERLOCK See nameplate reading on page 1 Interlock Letter XF XG XH XJ XK XL XM Left-hand Interlock Switch Unit Right-hand #Set of Contacts IC2956A200A G3 IC2956A200A G3 IC2956A200C G3 IC2956A200C G3 IC2956A200B G3 IC2956A G3 IC2956A200A IC2956A200A G3 Mounting Kit IC2956A202H IC2956A2020 * Interlock Cover XN XP XR xs IC2956A200A IC2956A200C G3 IC2956A200A IC2956A200B G3 IC2956A200C IC2956A200B G3 IC2956A200B IC2956A200B G3 * * * * AF AG IC2956A200A G3 IC2956A200A G3 AH AJ IC2956A200C G3 IC2956A200C G3 IC2956A2020 AK AL IC2956A200B G3 IC2956A200B G3 AM IC2956A200A IC2956A200A G3 * TABLE 4 cont1nued on next sheet # Includes movable and stationary contacts, springs, and contact-holding screws. For left-hand interlock mounting. ** For right-hand interlock mounting- 1 N.O. main pole only. & For right-hand interlock mounting- 2 N.O., 2 N.O.- 1 N.C., 2 N.O.- 2 N.C. main pole only. 8

11 DS303A3 HEAVY DUTY DC CONTACTORS GEF-4649A TABLE 4 (Cont'd) ELECTRICAL INTERLOCK See nameplate reading on page 1 Interlock Letter Interlock Switch Unit Left-hand Right-hand #Set of Contacts Mounting Kit Interlock Cover AN AP AR AS DF DG DH DJ DK DL EF EG EH EJ EK EL IC2956A200A IC2956A200C G3 IC2956A200A IC2956A G3 IC2956A200C IC2956A G3 IC2956A2008 IC2956A G3 IC2956A205A G24 IC2956A205A G24 IC2956A205C G24 IC2956A205C G24 IC2956A G24 IC2956A205B G24 IC2956A205A G24 IC2956A205A G24 IC2956A205C G24 IC2956A205C G24 IC2956A G24 IC2956A G24 * * * * # Includes movable and stationary contacts, springs, and contact-holding screws. * For left-hand interlock mounting. ** For right-hand interlock mounting - 1 N.O. main pole only. & For right-hand interlock mounting - 2 N.O., 2 N.O. - 1 N.C., 2 N.O. - 2 N.C. main pole only. 9

Size 5A, 400 Amp, Single Pole DC Contactor, Normally Closed Type MGAO3, Series A Class Table 2 Operating Coil Ratings

Instruction Bulletin Supersedes 7004-81 dated 5/90 Size 5A, 400 Amp, Single Pole DC Contactor, Normally Closed Type MGAO3, Series A Class 7004 INTRODUCTION This instruction bulletin illustrates and describes