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National Stock Number:
6645-01-159-1489
Federal Supply Class:
6645
National Item Identification Number:
011591489
Description:
TIMER,SEQUENTIAL
Detail:
AN ITEM WHICH ACTUATES INCLUDED ELECTRICAL CONTACTS AND/OR SWITCHES IN AN ORDERLY SUCCESSION, AND AT A PREDETERMINED INTERVAL(S) FOR THE PURPOSE OF CONTROLLING THE OPERATION OF ANOTHER ELECTRICAL DEVICE(S). MAY HAVE PROVISION FOR MANUALLY ESTABLISHING AN OPERATIONAL SEQUENCE OR CYCLE. SEE ALSO RELAY, MOTOR DRIVEN; TIMER, INTERVAL; KEYER (AS MODIFIED); CHRONOMETER, MAKE-BREAK CIRCUIT AND INTERVALOMETER (AS MODIFIED).
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Manufacturer Information:
| 702-01F | 28478 | DELTROL CORP DELTROL CONTROLS DIV | | 796-884-00 | 95632 | LAB-LINE INSTRUMENTS INC DIV BARNSTEADTHERMOLYNE CORP. |
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Techincal Specification:
| CONTROL TYPE | SWITCH | | MOUNTING METHOD | PANEL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | TIMER SEQUENTIAL USED TO CONTROL GAS FLOW E.I.6640-01-121-2348 | | PURCHASE DESCRIPTION IDENTIFICATION | 95632-796-884-00 | | SPECIAL FEATURES | USED TO CONTROL GAS FLOW;2.375 IN. O/A LG;2.750 IN. W;3.250 IN. H;METAL FRAME,SHAFT AND SPRINGS;NYLON GEARS;120 VAC,50/60 HZ MOTOR W/TWO 22/20 STRANDED WIRE LEADS 7 IN. LG;120 VAC,50/60 HZ SOLENOID,TWO 0.187 IN. QUICK DICONNECT TERMINALS;125-250 VAC,20 AMP SPDT SWITCH W/THREE 0.250 IN. QUICK DISCONNECT TERMINALS;TIMING CYCLE 2.4 SEC MIN.- 60 SEC MAX.;AMBIENT TEMP RANGE 20/160 DEG F;PANEL MTD W/3 6-32 THD HOLES SET 120 DEG APART,CENTERED IN A 0.687 IN.RADIUS,1 HOLE AT 6 OCLOCK POSITION CENTERED ON SHAFT;MOMENTARY OPERATION OF SWITCH S1 CAUSES CLUTCH TO OPERATE,TRANSFERING S2 TO N.C.POSITION AND ENERGIZING TIMING MOTOR AND LOAD;SWITCH S2 HOLDS THE CLUTCH OPERATED UNTIL THE TIME CYCLE IS COMPLETED AND THE TIMING MOTOR TRANSFERS S2 TO N.O.POSITION,RELEASING THE CLUTCH AND DEENERGIZING THE TIMING MOTOR AND LOAD;FRAGILITY FACTOR-MODERATELY DELICATE | | TIMER TYPE | ELECTRICAL |
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