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VOLTAGE  AND  FREOUENCY  SENSING 

A .  

CLOSE  DIFFERENTIAL  VOLTAGE  SENSING  ON  ALL  PHASES 

OF  NORMAL  SOURCE .  P ICKUP  VOLTAGE  IS  ADJUSTABLE  FROM 

85Y. 

TO  1 00Y.  OF  NOMINAL  AND  THE  DROPOUT  IS  ADJUSTABLE 

FROM  75Y.  TO 

98Y. 

OF  THE  PICKUP  VALUE .  FACTORY  SET  TO 

P ICKUP  AT 

90% 

AND  DROPOUT  AT 

85Y. 

OF  NOMINAL 

UNLESS  OTHERWISE  SPECIFIED . 

STANDARD  FEATURE 

46 . 

B .   SINGLE  PHASE  VOLTAGE  SENSING  OF  EMERGENCY  SOURCE . 

PICKUP  ADJUSTABLE  FROM 

85% 

TO 

1 00% 

OF  NOMINAL . 

FACTORY  SET  TO  PICKUP  AT 

90% 

UNLESS  OTHERWISE 

SPECIFIED . 

C .   FREQUENCY  SENSING  OF  EMERGENCY  SOURCE .  PICKUP 

AD0USTABLE  FROM 

90% 

TO 

1 00Y. 

OF  NOMINAL .  FACTORY 

SET  TO  PICKUP  AT 

95% 

UNLESS  OTHERWISE  SPECIFIED . 

TIJoE  DELAYS 

D .   TIME  DELAY  TO  OVERRIDE  MOMENTARY  NORMAL  SOURCE 

OUTAGES  TO  OELAY  ALL  TRANSFER  SWITCH  ANO  ENGINE 

STARTING  SIGNALS .  AD0USTABLE  FROM  0  TO  6  SECONDS . 
FACTORY  SET  AT 

SECOND  UNLESS  OTHERWISE  SPECIFIED. 

ST AN:lARD 

FEA 

TU<E 

I .  

E .   RETRANSFER  TO  NORMAL  TIME  DELAY .  TIME  DELAY  IS 

AUTOMATICALLY  BYPASSED  IF  EMERGENCY  SOURCE  FAILS  AND 

NORMAL  SOURCE  IS  AVAILABLE .  AD0USTABLE  FROM  0  TO  30 

MINUTES .  FACTORY  SET  AT  30  MINUTES  UNLESS  OTHERWISE 

SPECIFIED . 

STANDARD 

FEATURE 

3A. 

F .   UNLOADED  RUNNING  TIME  DELAY  FOR  EMERGENCY  ENGINE 

GENERATOR  COOLDOWN .  AD0USTABLE  FROM 

TO  60  MINUTES. 

FACTORY  SET  AT  5  MINUTES  UNLESS  OTHERWISE  SPECIFIED. 

STAN:lARO 

FEATURE  2E .  

G .   TRANSFER  TO  EMERGENCY  TIME  DELAY .  AD0USTABLE  FROM 

TO 

MINUTES .  FACTORY  SET  AT 

MINUTES  UNLESS 

OTHERWISE  SPECIFIED . 

STAN:lARD  FEATURE 

26. 

MANUAL  CONTROLS 

H .   MOMENTARY  TYPE  TEST  SWI TCH  ( TGL )  TO  SIMULATE 

NORMAL  SOURCE  FAILURE .  INSTALLED  ON  ODOR  OF 

ENCLOSEO  TYPE .  SHIPPED  LOOSE  FOR  OPEN  TYPE . 

STANDARD  FEATURE 

3 .  

REMOTE  AUTOMATIC  TRANSFER  SWITCH  CIRCUITS 

0 .  

TERMINAL  PROVISIONS  FOR  REMOTE  CUSTOMER  CONTACT 
WHICH  OPENS  TO  SIGNAL  A . T . S .   TO  TRANSFER  TO 

EMERGENCY .  REFER  TO  OPERATOR ' S   MANUAL  TO 
ACTIVATE . 

STANDARD  FEATURE 

1

7

( SEE  NOTE 

9 )  

MANJAL 

CONTROLS 

6B, 

MOMENTARY  OVERRIDE  SWITCH  TO  MANUALLY  BYPASS 

TIME  DELAY  ON  RETRANSFER  TO  NORMAL .  INSTALLED  ON 

DOOR  OF  ENCLOSEO  TYPE .  SHIPPEO  LOOSE  FOR  OPEN  TYPE . 

D  6C ,  

MOMENTARY  RESET  SWITCH  FOR  MANUAL  RETRANSFER 

OF  THE  A . T . S   TO  THE  NORMAL  SOURCE  ONLY  AFTER 

TIME  DELAY  FEATURE  3A  EXPIRES  WITH  INSTANTANEOUS 

AUTOMATIC  RETRANSFER  IN  THE  EVENT  OF  EMERGENCY 

SOURCE  FAILURE .  INSTALLED  ON  DOOR  OF  ENCLOSED  TYPE . 
SHIPPED  LOOSE  FOR  OPEN  TYPE . 

IIIDICATORS 

1 4A1 1 4B ,  

ADDITIONAL  AUXILIARY  CONTACT  SETS . 

ONE  SET  IS  SUPPLIED  AS  STANDARD .  SPECIFY  TOTAL 
QUANTITY  WHEN  MORE  THAN  ONE  SET  I S   REQUIRED . 

TOTAL  OUANTITY 

S T A N D A R D   F E A T U R E S  

ENGINE  CONTROL  CONTACTS 

K .   ONE  SET  OF  CONTACTS  CONSISTING  OF ,  ONE  CONTACT 

THAT  CLOSES  WHEN  NORMAL  SOURCE  FAILS  AND  ONE 

CONTACT  THAT  OPENS  WHEN  NORMAL  SOURCE  FAILS . 
CONTACTS  ARE  GOLD  FLASHED  FOR  LOW  VOLTAGE  ENGINE 

START  S IGNALS  OR  OTHER  CUSTOMER  USE. 

RATED 

1 0  

AMPS .  32  VOLTS  DC . 

STAN:lARO  FEATURE  7/8. 

INDICATORS 

L .   ONE  SET  OF  AUXILIARY  CONTACTS  CONSISTING  OF ,  ONE 

CONTACT  CLOSED  WHEN  A . T . S .   I S   CONNECTED  TO 

NORMAL  AND  ONE  CONTACT  CLOSED  WHEN  A . T . S .   IS 
CONNECTED  TO  EMERGENCY .  (ADDITIONAL  SETS  OF 
AUXILIARY  CONTACTS  ARE  AVAILABLE  AS  OPTIONS  - SEE 

BELOW ) . 

STANDARD  FEATURE  1 4A/ 1 4B .  

M .   ONE  SET  OF  SIGNAL  LIGHTS  CONSISTING  OF ,  ONE  SIGNAL 

LIGHT  ( GREEN)  TO  INOICATE 

WHEN  A . T . S .   IS  CONNECTED 

TO  NORMAL  SOURCE  AND  ONE  SIGNAL  LIGHT  ( RE D )   TO 

INOICATE  WHEN  A . T . S .   I S   CONNECTED  TO  EMERGENCY  SOURCE . 

LIGHTS  ARE  INSTALLED  ON  OOOR  OF  ENCLOSEO  TYPE . 
SHIPPED  LOOSE  FOR  OPEN  TYPE . 

STAN:lARO  FEATURE  9A/96 . 

TRANSFER  IMiIBIT 

N .   TERMINAL  PROVISIONS  FOR  REMOTE  CUSTOMER  CONTAC T ( S )  

TO  INHIBIT  A . T . S .   TRANSFER  TO  NORMAL  ANDIOR  EMERGENCY 

SOURCE .  CUSTOMER  CONTACT  OPENS  TO  INH I B I T   TRANSFER . 

REFER  TO  OPERATOR ' S   MANUAL  TO  ACTIVATE . 

STAN:lARD 

FEATURE 

34A/34B . 

( SEE  NOTE 

9 )  

COI+1IT 

/l\() 

COI+1IT  ON  TRANSFER 

P .   UPON  FEATURE 

TIMING  OUT  ( DUE  TO  A  TEST  OR  NORMAL 

SOURCE  FAILURE)  THE  A . T . S .   IS  COMMITTED  TO  TRANSFER 

TO  EMERGENCY .  EVEN  IF  THE  NORMAL  SOURCE  IS  RESTORED 

BEFORE  THE  TRANSFER  TAKES  PLACE .  THIS  "COMMIT  ON 

TRANSFER"  FEATURE  CAN  BE  OVERRIDDEN  BY  OPERATING  A 

SWITCH  IN  THE  CONTROL  PANEL .  REFER  TO  OPERATOR ' S  

MANUAL . 

FREOUENCY 

SELECTION 

R .   OPERATING  FREQUENCIES  OF  50HZ .  OR  60HZ .  MAY  BE 

SELECTED  B Y   A  SWITCH  IN  THE  CONTROL  PANEL .  FACTORY 

SET  AT  SPECIFIEO  FREQUENCY .  REFER  TO  OPERATORS ' S  
MANUAL . 

O P T I O N A L   A C C E S S O R I E S  

INDICATORS  (CONT 'D , )  

D  9C/90 

ONE  SET  OF  SIGNAL  LIGHTS  CONSISTING  OF , 

ONE  SIGNAL  LIGHT  ( GREEN)  TO  INDICATE  NORMAL  SOURCE 
AVAILABLE  AND  ONE  S I GNAL  LIGHT  ( R E D )   TO  INDICATE 
EMERGENCY  SOURCE  AVAILABLE .  INSTALLED  ON  DOOR  OF 
ENCLOSED  TYPE .  SHIPPED  LOOSE  FOR  OPEN  TYPE . 

PLANT  EXERCISER 

I C ,  

ENGINE  GENERATOR  EXERCISING  TIMER  WITH 

"LOAD"  OR  "NO-LOAD"  OPERATING  MODES .  AD0USTABLE 

FROM 

MINUTE  TO  24  HOURS  IN 

MINUTE  INCREMENTS . 

FACTORY  SET  FOR  20  MINUTES  MINIMUM  EACH  WEEK 

UNLESS  OTHERWISE  SPECIFIED .  REFER  TO  OPERATOR ' S  

MANUAL  FOR  MODE  SELECTION . 

MOTOR  LOAD  TRANSFER 

27, 

INPHASE  MONITOR  CONTROL  FOR  TRANSFER  AND 

RETRANSFER  OF  MOTOR  LOADS .  SO  THAT  INRUSH 
CURRENTS  DO  NOT  EXCEEO  NORMAL  STARTING  CURRENTS . 

TO  AVOID  NUISANCE  TRIPPING  OF  CIRCUIT  BREAKERS 

AND  POSSIBLE  MECHANICAL  DAMAGE  TO  MOTOR  COUPLINGS . 

www 

. ElectricalPartManuals 

. com

Summary of Contents for 940

Page 1: ...ation Testing Service Optional Accessories Diagrams for switches rated 30 through 4000 amps ASt6 Controls are designed and manulactured by Automatic SWltth Co Florham Park New Jersey 07932 Telephone 201 966 2070 381333 031 1D4980R6 I j i 4 I l Ii i 1 I m t 1 1 t I r fr Z l w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 2: ...vided ampere rating 30 4000 control panel code 8 for single phase 9 for three phase voltage code see wiring diagram AS Qe O TNO AUTOMTIC TRANSfER SIIITCH f USE EllERWlCY OR STAIIDBY SYSTEns CABO m 36009 X SER NO 123i56 AltPS 480U 60HZ 3 PI 3 IIiRE R IID MIlIAl BEfORE IICSlAllllIG F ICE CAU llt66 20 J moUe W1tth UJ FLOfIHAMPAAK N J U S A TABLE OF CONTENTS section page INSTALLATION 1 1 Mounting 1 1 ...

Page 3: ...add on panel may be provided for certain optionalac cessories It is mounted below the control panel For open type switches only the control panel and add on 1 1 panel are usually supplied on mountingrails Refer to the Composite Outline and Mounting Diagrams for details Line Connections Composite Elementary Wiring Diagrams are furnished at the back of this manual All wiring must be made in ac corda...

Page 4: ... 5 Optional Accessories Also refer to any separate drawings and or publications that may be packed with the switch Harnesses All internal connections are made at the factory The switch is connected to the control panel by a plug in har ness Extension harnesses are available in standard lengths The plug is already engaged on enclosed switches For open type switches the plug must be en gaged after i...

Page 5: ...for installing the handle 30 through 150 ampere Grasp the permanently attached manual handle left side of the operator and turn it with thumb and fin gers See Figure 1 5 260 and 400 ampere Insert the manual handle into the hole in the shaft left side of the operator See Figure 1 6 600 and 800 ampere Attach the manual handle onto the pivot shaft exten sion left side of the operator See Figure 1 7 1...

Page 6: ...he same as the nor mal source 6 Shut down the engine driven generator Then put the starting control selector switch on the generator set in the automatic position 7 Close the cabinet door and tighten the screws Electrical Operation This procedure will check the electrical operation of the Automatic Transfer Switch Put engine starting control in automatic position WARNING Close the cabinet door fir...

Page 7: ...ature 2B ER relay is provided with a an adjustable 0 to 8 minutes time delay on pickup to delay transfer of the load to the emergency source if desired ER relay energizes the TS coil is energized the transfer switch operates and all switch contacts mains controls auxiliaries reverse position The transfer switch is now supplying the load from the emergency source 2 1 The transfer switch will remain...

Page 8: ... for Feature 1 time neeted Check wiring CP17 after Feature 1 delay plus engine to engine starting con time delay cranking and starting tacts time Transfer switch does Wait for Feature 2B Generator output cir Voltmeter should read not transfer the load to time delay to time out cuit breaker must be at least 90 of nomi emergency source af closed Generator fre nal phase to phase ter the gen set start...

Page 9: ...job specifications The stan dardfactorysetting is used unless otherwise specified Ifa setting must be changed carefullyfollow the procedures on the pages that follow The adjustmentsare incremental Three DIP switches are used each has eight actuators See Figures 4 3 and4 4 on page 4 2 UseThble4 2 belowasaguide to thevoltageandfrequen cy settings and their corresponding slide DIP switches CAUTION An...

Page 10: ... and refer to Figure 4 4 5 Find the specificchartfor that setting then choose the new setting left side of chart 6 Use a ball point pen to slide the switch actuators up ordown so they match the illustration nextto the set ting up on down off Recheck the setting See Figure 4 3 4 2 DIP switch r J I Figure 4 3 Setting DIP switch actuators 7 Install thecoveron thecontrolpanel Align the cover and push ...

Page 11: ...mInutes QL off on o ff off 1 234 2 0 seconds 1 liJ off on off orr 5678 3 mInutes o ff on off on 1234 2 5 seconds 1 1 J off on off on 5678 mInutes off on on off 1234 3 0 seconds off on on off 5678 5 mInutes off on on on 1234 3 5 seconds off on on on 5678 8 off off off mInutes on 1234 4 0 seconds on off off off 5678 10 mInutes on off off on 1234 4 5 seconds on o ff off on 5678 12 mInutes C1 l on off...

Page 12: ...orr 10 Inutes 1 lli off on off orf 1234 5678 5 seconds ofr on off on 12 mInutes 1 Joff on off on 1234 5678 8 seconds i L off on on off 15 mInutes off on on ofr 1234 5678 10 seconds ofr on on on 20 l nu T es off on on on 1234 5678 20 seconds on off off ofr 25 Inutes on off off off 1234 5678 30 seconds on off off on 30 mInutes on off off on 1234 5678 45 econds on off on off 35 mInutes on off on off ...

Page 13: ...34 89 percenT J llJ off on off orr 5678 90 percent off on off on 1234 90 percent hl J off on off on 5678 91 p rcent off on on off 1234 9 1 per cent off on on off 5678 92 percent off on on on 1234 92 pel cen 1 off on on on 5678 93 percent on off off off 1234 93 percent mJ on off off off 5678 94 percent on off off on 1234 94 percent on off off on 5678 95 percent on off on off 1234 95 percent on off ...

Page 14: ... off orr U 95Y III on off on off 01 1 12345 12345 u l l l c I I I I I f SOY off 01 1 on off on V 967 on orr on orr on 12345 12345 G SIr 11 11 orr off on on orr W 97r 1 1 11 1 on orr on on orr 12345 12345 H 82Y 11 111 orr o rf on on on X 98Y 1 111 on off on on on 12345 12345 I 83Y I UI orr off orr orr Do not u oomblnatlon oth than above on 12345 l Ui Phase Selection J 84Y orr on ofr off on Normal 5...

Page 15: ...69 69 70 71 72 72 73 74 75 75 0 66 67 68 69 69 70 71 72 73 73 74 75 76 76 E 67 68 69 70 70 71 72 73 73 74 75 76 77 77 F 68 69 70 70 71 72 73 74 74 75 76 77 78 78 G 69 70 70 71 72 73 74 75 75 76 77 78 79 79 H 70 71 71 72 73 74 75 75 76 77 78 79 80 80 I 71 71 72 73 74 75 76 76 77 78 79 80 81 81 J 71 72 73 74 75 76 76 77 78 79 80 81 81 82 K 72 73 74 75 76 77 77 78 79 80 81 82 82 83 L 73 74 75 76 77 7...

Page 16: ...loses Co tt S6 SwItch On Tr onsr r DIP Actuato SettIng Swttch 2 not u d L ofr u d c on pIckup DIP 4 ttlng SwItch 1 2 3 4 off 96 pe c enT off on on off 1234 on 97 p r c nt off on on on 1234 off 98 po cen1 CiiL on off off off 1234 on 99 p cont on off off on 1234 off 100 p r cent 1234 on off on off Do n ot u co blnatlon on oth than abov 66 on f 11111 1 1 1 1234 678 J Upon Normal Source failure or Tra...

Page 17: ... provisions for a remote customer contact to inhibit transfer to theEmergency source Cus tomer contact must close to allow transfer to Emergency Connect a contact rated for low energy circuits to con trol panel terminals CP29 and CP30 Remove existing jumper See Figure 5 3 Group 6 or 7 Control Panel Figure 5 3 Feature 34B 5 1 These manual controls if furnished are connected and installed on the enc...

Page 18: ...e then press again and hold it Press and re lease theSETbutton to change theday 1 is Sunday Release the TIMEIDAYbutton when the Correct day is displayed 3 SetStart Time Decidewhat timeyouwanttostart the exerciseperiod Hold down theON TIME button and press theSETbutton Hold down theSETbutton for fast set press and release theSETbutton for slow set 1 minuteincrements Release theON TIMEbutton when th...

Page 19: ...e dayofthe week is displayed as 1 7 1 is Sunday Display Engine Start Time Press the ON TIME button Display Engine Stop Time Press the OFF TIME button Display Run Day s Press the TIMEIDAY and ON TIME buttons simulta neously then release them The run days are displayed in sequence The display stays on for 5 seconds or as long as the button is pressed 5 3 S I S2 53 54 S5 S6 S7 YII UIUlI wmll umlmw lh...

Page 20: ... Normal Emergency 1 4A 148 standard TS 1 2 13 TS1 0 1 1 1 st optional TS 31 32 TS29 30 2nd optional TS 35 36 3rd optional TS 39 40 fftf 13 31 M 3 10 30 34 l8 1 1 1 i TTTT II 2 9 H 3 7 E L 13 I I f 12 10 33 29 3S 31 N f t 3 4 30 36 32 TS33 34 TS37 38 1L N 9 3 3 29 3 31 f f ffff 40 38 34 30 36 32 Figure 5 8 30 150 amps Figure 5 9 260 400 amps Figure 5 10 600 800 amps Figure 5 1 1 1 000 1 200 amps Fi...

Page 21: ...and the standard Sequence of Operation is resumed If eithersource ofpower isnot availablewhen the inphase monitor starts its sensing mode the output relay picks up after 2 seconds and allows the TS coil to be energized Trouble Shooting 1 Connect a voltmeter between terminals NA and EA on the transfer switch Set the meter scale to at least twice the system phase to phase voltage 2 Manually start th...

Page 22: ...nel How to Change a Time Delay Setting T o change the timedelay settings follow the procedurein Section 4 Adjustments The timedelaysareshown in the chart at the right DIP switch S5 actuators 5 6 7 8 sets the time delay before transfer DIP switch S6 actuators 5 6 7 8 sets the time delay transfer 5 6 5 OR S6 on f 1 1 1111 1 2345678 Lood Shed DIP TI D l oy Sw I tch on o teconcls f 11 5678 I eond II 5...

Page 23: ...NOTES w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 24: ...CLOSEO TYPE SHIPPEO LOOSE FOR OPEN TYPE D 6C MOMENTARY RESET SWITCH FOR MANUAL RETRANSFER OF THE A T S TO THE NORMAL SOURCE ONLY AFTER TIME DELAY FEATURE 3A EXPIRES WITH INSTANTANEOUS AUTOMATIC RETRANSFER IN THE EVENT OF EMERGENCY SOURCE FAILURE INSTALLED ON DOOR OF ENCLOSED TYPE SHIPPED LOOSE FOR OPEN TYPE IIIDICATORS D 1 4A1 1 4B ADDITIONAL AUXILIARY CONTACT SETS ONE SET IS SUPPLIED AS STANDARD ...

Page 25: ...NNECTIONS ARE SHOWN OPEN AS CUSTOMER CONNECTION POINTS 7 ON ENCLOSED TYPE SWITCHES THE TRANSFER UNIT IS MOUNTED ON THE BACK INSIDE SURFACE AND THE CONTROL PANEL ON THE INSIDE DOOR SURFACE WHEN AN ADDITIONAL ACCESSORY MOUNTING PANEL IS REQUIRED TO MOUNT OPTIONAL ACCESSORIES IT IS LOCATED DIRECTLY BELOW THE CONTROL PANEL B ALL FEATURES AND OPTIONS SHOWN ARE UL RECOGNIZED 9 CUSTOMER REMOTE CONTACTS T...

Page 26: ...DOOR OF ENCLOSED TYPE SHIPPED LOOSE FOR OPEN TYPE INDICATORS D 1 4A 1 4B ADDITIONAL AUXILIARY CONTACT SETS ONE SET IS SUPPLIED AS STANDARD SPECIFY TOTAL OUANTITY WHEN MORE THAN ONE SET IS REOUIRED TOTAL OUANTITY_ _ _ _ NL I NL2 NLO ACC 28 TS TRANSFER SWITCH 1 1 1 1 ACC NORMAL 70 6 72 8 28 5 1 7 i n 1 4 16 1 8 TS TRANSFER SWITCH t l l C D f l O IJ M n C l r I I I I I I I I 1 I t I I I I I I w 00 00...

Page 27: ...NECTED TO A T S CONTROLS SHOULD B E SUITABLE FOR LOW ENERGY CIRCUITS 1 0 REFER TO OPERATOR S MANUAL FOR WIRING OF OPTIONAL ACCESSORIES SHOWN BELOW I I ADJUSTMENTS FOR PICKUP AND DROPOUT SETTINGS ARE IN INCREMENTS OF l ro TIME DELAY ADJUSTMENTS ARE IN DISCRETE INCREMENTS 1 2 AN OPERATOR S MANUAL IS FURNISHED WITH EACH AUTOMATIC TRANSFER SWITCH REFER TO THIS PUBLICATION PRIOR TO INSTALLATION AND OPE...

Page 28: ... SUGGESTED BOLT SIZE FOR MOUNTING A T S SWITCH NEUTRAL r 1 4 20 X I INCH LONG MINIMUM OUANTITY 4 CONTACT ACC 28 NORMAL EMERGENCY CONTACTS ON ACC 25 POLE ARE REVERSED WARNING 260 THRU 400 AMP SUPPLIED BACKING P IECE MUST BE T _ w I L MOUNTING HOLE DIA INSTALLED AS SHOWN H _ w J _L J J SWITCHED NEUTRAL CONTACT ACC 28 rfl LOAD q K H lmJ SUGGESTED BOLT SIZE FOR MOUNTING A T S j H F F r 1 4 20 X 3 INCH...

Page 29: ... J c r 0 3 1 07 9 MM J I 0 50 MOUNTING 1 2 7 HOLE OIA I 9 MAX STANDARD CONTROL PANEL WITH ADDITIONAL ACCESSORY MOUNTING PANEL AND CHANNELS USED WITH ANY SIZE TRANSFER SWITCH UNIT SUGGESTED BDLT SIZE FOR MOUNTING CONTROLS 1 4 20 X I 1 2 INCH SELF CLINCHING CAPTIVE STUDS AS REQUIRED DRILL PATTERN BELOW WILL ACCOMMODATE MOST DOOR MOUNTED ACCESSORIES REFER TO ASCO SUPPL IED ACCESSORY NAMEPLATE DRAW IN...

Page 30: ...OR 254 0 12 50 i CUSTOMER TO PROVIDE ACC 28 317 5 STRUCTURAL SUPPORT AMP SIZE A 1 600 28 50 723 9 FLOOR OPERATOR UNDER SWITCH FRAME NORMAL EMERGENCY CONTACTS ON ACC 28 POLE ARE REVERSED EXTENSION RECOMMENDED CHANNEL I 50 38 I MM X 3 00 76 2 MM DIMENSIONS B C 0 E F G H J 52 00 18 50 27 00 0 75 4 37 20 65 4 50 9 00 1 320 8 469 9 685 8 19 I 1 1 1 0 524 5 1 14 3 228 6 I I I r MOU ITING HOLE DIA L r 4 ...

Page 31: ...NSULT FACTORY FOR AVAILABLE EXTENSION HARNESSES 7 OPTI ONAL ACCESSORY MOUNTING PANEL AND RAILS ARE SUPPLIED ON OPEN TYPE S W I TCHES FOR MOUNTING OPT IONAL T IME DELAYS RELAYS AND MON ITORS 8 _ REQU IRED TOP AND BOTTOM ENCLOSURE VENTILATION OPEN INGS FOR 1 600 THRU 4000 AMP S W I TCHES IS 1 40 S Q INCHES 903 S Q _ C M TOTAL 9 CUSTOMER SUPPLIED VERTICAL MOUNTING CHANNELS FOR 1 600 4000 AMP 2 REOUIR...

Page 32: ...ESSORY MOUNTING PANEL AND R A I L S ARE SUPPL I ED ON OPEN TYPE S W I TCHES FOR MOUNTING OPTIONAL T IME DELAY S RELAY S AND MON ITORS 8 REQUIRED TOP AND BOTTOM ENCLOSURE VENT ILATION OPENINGS FOR 600 THRU 4000 AMP S W I TCHES IS 40 SQ INCHES 903 SO CM TOTAL 9 CUSTOMER SUPPLIED VERT I CAL MOUNT I NG CHANNELS FOR 600 4000 AMP 2 R EOUIRED M IN IMUM GAUGE 0 10 AN OPERATOR S MANUAL I S FURNISHED WITH E...

Page 33: ...2 0 1 2 7 TYPE I AND 2 ENCLOSURES FOR AUTOMATIC TRANSFER SWITCHES WITH OPTIONAL ACC 28 OVERLAPPING NEUTRAL TRANSFER CONTACT AMP FI G DIMENSIONS SIZE NO A B C D E F 30 70 1 7 5 0 3 1 00 1 1 62 1 4 50 1 50 28 00 1 00 1 50 444 5 787 4 295 1 368 3 38 I 7 1 1 2 260 1 8 0 48 00 1 3 00 1 5 00 1 50 45 00 400 I 457 2 1 2 1 9 2 330 2 38 1 0 38 I 1 1 43 0 600 30 00 63 00 1 7 50 2 7 00 1 50 60 00 800 762 0 1 ...

Page 34: ... H 0 62 0 43 E F 3 00 33 75 76 2 I 857 3 49 25 3 00 I 76 2 1 25 1 0 3 00 I 64 25 I 76 2 i 1 632 0 3 00 I 80 25 76 2 1 2038 4 1 1 5 7 0 1 0 9 0 62 0 43 I I t f II j j 1 5 7 0 1 0 9 0 62 0 43 1 5 7 0 1 0 9 0 62 0 43 1 5 7 0 1 0 9 f t CONSULT FACTORY TYPE 3R 4 AND 1 2 ENCLOSURES FOR AUTOMATIC TRANSFER SWITCHES WITH OPTI ONAL ACC 28 OVERLAPPING NEUTRAL TRANSFER CONTACT AMP FIG SIZE NO A 30 70 1 7 50 1...

Page 35: ...341 1 61 7 447 0068 MICHIGAN Northern Electrical Testing Inc 1987 Larchwood Troy MI 48083 2228 1 3 1 3 689 8980 MINNESOTA Process Measurement Co 5735 Lindsay Street Minneapolis MN 55422 1 61 2 544 4035 MISS IS SIPPI Control Systems Inc P O Box 4852 909 Quinn Street Jackson MS 39216 1 601 355 R Q4 MISSOURI AlC Control Manufacturing Co 1400 Spruce Kansas City MO 64127 1 816 231 6400 NEBRASKA Process...

Page 36: ...ation of engine generator sets and load demand controls See Section 6 of the ASCO Controls Catalog 50lid Sta1e Electronic Monitors ami Controls Power for monitoring voltage frequency and current controls for original equipment manufac turers Also monitors for synchronIZing phase band monitoring area protection etc See Section 8 of the ASCO Controls Catalog Control S Js ems for cogeneration peak lo...

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