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