
1-2
Table 1-1. Electrical Specifications (con’t).
Response Time:
<17 mS on 60 Hz systems; <20 mS on 50 Hz systems.
Voltage Adjust Range:
±10% on nominal.
Power Dissipation (Max):
60 Watts
Temperature Coefficient:
±1/2% for a 40°C (104°F) change.
Table 1-2. Physical Specifications.
Operating Temperature
Range:
-55°C (-67°F) to +70°C (+158°F).
Storage Temperature
Range:
-65°C (-85°F) to +100°C (+212°F).
Vibration:
Tested to withstand 5 G's from 20 to 260 Hz.
Mounting:
Designed for operation when mounted directly to an engine
generator set. It is strongly recommended that the voltage
regulator be mounted vertically for optimum cooling.
Overall Dimensions:
Height:
Width:
Depth:
11.5 inches (292 mm).
8.38 inches (213 mm).
5.0 inches (127 mm).
Weight:
13 lbs. (5.8 kg.).
The internal voltage regulator optional features listed below are designated by a combination of
letters and numbers in the complete model number. (See Table 1-3 and/or contact the factory for
additional variations).
a. Parallel compensation
c. Voltage build up relay
b. Single or three-phase sensing.
d. Sensing Voltage
e. Cover
f. Voltage adjust rheostat
g. Type of stability circuit
1-3. OPTIONAL FEATURES
Содержание SR4A
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