Table 1-1. System Capacities and Detailed Data on Components (Continued)

ARMY TM 96115-04-12 NAVY NAVFAC P-8-633-12 Table 1-1. System Capacities and Detailed Data on Components (Continued) 9. CONTROLS, INSTRUMENTS, AND SWITCHGEAR (CONTINUED) Manufacturer Electro Switch Corporation Part Number 21211B with 2L24A FSCM: 82121 OPERATION SELECTOR SWITCH S3 Drawing Number: 80-7852 Voltage Rating. 110 V ac Current Rating 30 amperes, inrush 60 amperes, 50/60 Hz Contacts: Silicon bronze, silver plated Stages. 3 Rotor Material: Glass polyester, positive snap action maintained contacts Operating Temperature -25 to +125°F (-31 to 51°C) Storage Temperature. -65 to +155°F (-53 to 68°C) Manufacturer Westinghouse Electric Company Part Number. 505A622H01 FSCM 88416 SYNCHROSCOPE Switch S115 Drawing Number 80-7417 Voltage Rating. 500 V ac continuous Current Rating 20 amperes Operation Voltage 125 V ac Momentary Current (Thermal) 200 amperes - 3 seconds 75 amperes - 30 seconds 60 amperes - 60 seconds Overload (50 Operations): 95 amperes - 120 V ac Making Ability for Circuit Breaker Coils 95 amperes - 125 V dc Dielectric Strength 2200 V rms Insulation Resistance 100 megohms Contact Resistance: 10 milliohms Continuous Rating 30 amperes 600 V Operating Temperature -25 to +125°F (-31 to 51°C) Storage Temperature -65 to +155°F (-53 to 68°C) Humidity Conditions To 100% Mechanical Characteristics: Silver contact surfaces, double sided, double wiping knife type rotary contacts, oval handle, contact material phosphor bronze alloy; terminal copper with silver overlay at contact area with overall silver plate Manufacturer Electro Switch Corporation Part Number. 24203-K-1 FSCM: 82121 1-39