Document jgDpvda9qbgYxkNrLoEekNQNy

JANUARY, 1952 Supersedes fasue September, 1943 BULLET II 6981 (OonUftueo Pushbutton and Rotary Drum Master Stations (Continued) Description (Continued) serves also as & naans tor damping between the legend plate and the cover the neoprene diaphragm which covers, the particular element In the case oi the indicating light element the legend plate clamps the lens between the plate and the caver. legend plates are furnished with any desired aarldng. The heavy duty master station may be furnished with any denied Combination ofheavy doty momentary contact ele ments, roiaxy drum switch elements, snap switch elements, standard duty elements or indicating light elements, the only limitation being the number oi unit spaces available in the mnstper station case. The two noil station will accom modate any combination oi two of the available types of elements. The three unit station likewise will accommodate any combination ot three elements.. The heavy doty master station when furnished with rotary drum switch elements can.be provided with special cover construction to make the station satisfactory to meet tire re quirements tor submersible enclosure under the applicable spedHoations mentioned on page 1. The single button heavy duty momentary contact element may be supplied with one ol the following arrange ments of contact:. Symbol JL 00 Function One Hormally Open Contact One Normally Closed Contact One Normally Open Contact and e o One Normally Closed Contact oeo Three Point Contact Normally Open The rotary drum switch element may be supplied with one of the following arrangements of contacts: Symbol* Function SHS. 3 Position -- Single Pole,'Double Throw with "OH7' Position -- Maintained Contact QTMufea | 3 position -- Momentary Contact Spring Return from -One'Throw, Maintained Circuii in Center Position, Open Circuit in Other Throws SH 2 Position --' Singh Pole, Double Throw -- Maintained Contact "Hi 2 Position -- Douhile Pole, Single Throw -- Maintained Contact The roedeer aon enap switch/ maintained contact type element may be supplied with one oi the following contact , Symbol & 3a Junction' Double Pole Single Throw Single Pole Double Throw The Indicating light element may be supplied with one of ike foliowing combinations depending on ike voltage of Ike circuit Symbol Voltage oflight Circuit -O-o-' 110 V. or 220 V. A-c, 115 or 230 V. D-c i The standard duty momentary contact element may be supplied with one of the following arrangements of contacts: Symbol. Function One Normally Open Contact and One Normally Closed Contact with Common Point jO-TC) Two Normally Open-Contacts with Common Point X------1 aa Two Normally Closed Contacts with Common Point 220 V. or 440 V. 60 Cycles A-c The indicating light element consists essentially of`a single lamp supported in an insulated socket The assembly will also inelnde & ballast resistor or a geU-contaifted-transiormer, dapawdfaff ftfl Aft volume pf thw fffrftttti. . ------------------- When the circuit is 110 or 220 Volts A-c, or 113 or 230 volts d*o, the assembly includes a 120 volt candelabra ' screw base'lamp in series with a ballast resistor. When Ike circuit is 440 volts, 60 cycles e*c, the assembly consists of a 6 to 8 volt miniature lamp with bayonet base operated from a 440/4. volts self-contained transformer. Continued cufL:ea*,H'A;Mt^sR CUTLER-HAMMER. INC. PTwinjg MILWAUKEE l. WISCONSIN PAGE 3 7-3$