ARMY TM 9-6115-604-12
NAVY NAVFAC P-8-633-12
Table 1-1. System Capacities and Detailed Data on Components (Continued)
9 CONTROLS, INSTRUMENTS, AND SWITCHGEAR (CONTINUED)
AMMETER Switch S114
Drawing Number:
80-7414
Voltage Rating:
500 V ac continuous
Current Rating:
20 amperes
Operating Voltage:
125 V ac
Momentary Current (Thermal) :
200 amperes -- 3 seconds
75 amperes -- 30 seconds
60 amperes -- 60 seconds
Overload (50 operations) :
95 amperes -- 125 V dc
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, round knurled
handle indexing 45°, contact material phosphor
bronze alloy, terminals copper with silver
overlay at contact area with overall silver plate
Manufacturer:
Electro Switch Corporation
Part Number:
2412H
FSCM:
82121
GEN/BUS VOLTMETER Switch S112
Drawing Number:
80-7416
Voltage Rating:
500 V ac continuous
Current Rating:
20 amperes
Operating 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 +1550F (-53 to 68°C)
Humidity Conditions:
To 100%
Mechanical Characteristics:
Silver contact surfaces; double sided, double
wiping knife type rotary contacts; round knurled
handle indexing 45°; contact material phosphor
bronze alloy, terminals copper with silver
overlay at contact area with overall silver plate
1-36