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VOLTAGE REGULATOR JA120M1SCH

 

Voltage regulator JA120M1SCH
General information
Specifications
Connection diagram
Dimensional drawing

 

General information:

The voltage regulator JA120M1SCH is purposed for voltage maintenance of the onboard vehicle network in predetermined limits in all system operation modes of electrical equipment at change of the rotation frequency of the alternator rotor, electrical load and environment temperature.

Applicability: automobiles MAZ, RAMAZ with the alternator 1332.3771 and others.

The given item is developed specially for exploitation in various latitudes with a large range of environment temperature. The regulator is produced in a single climatic design О2.1 in accordance with GOST 15150 for internal market and for export. On extent of protection against penetration of foreign bodies and water, the item meets design IP68 in accordance with GOST 14254. An operating mode of the regulator is S1 in accordance with GOST 3940.

The regulator is mounted directly on the alternator, where the setting of regulators JA120M1SCH is stipulated.

The warranty period of exploitation is 3 years from the date of commissioning or from the date of sale in retail commercial network. The warranty obligations of the manufacturer are valid during 4 years from the date of the item production. The date of production is marked on the case of the item.

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Specifications:

Range of operating temperatures, °С
-45.. +100
  Regulating voltage with battery at t°=(25 ± 2) °С and load of alternator 5А, V
28,8 ± 0,2
Regulating voltage with battery at t°=(25 ± 2) °С in range of alternator load from 3A to 0,9·Imax*, V
28,8 ± 0,3
  Maximum current of output circuit, А
5,0
  Thermal compensation of regulating voltage, mV/°С
-9,0 ± 3,0
  Residual voltage on output "W", not more, V
0,12
  Maximum allowable long-term influence of increased supply voltage, V
36,0
  Maximum allowable influence of increased supply voltage up to 5 min., V
50,0
  Maximum allowable pulse overvoltages in accordance with GOST 28751, V
120,0
 
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Connection diagram:

Connection diagram of the voltage regulator JA120M1SCH
 
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Dimensional drawing:

Dimensional drawing of the voltage regulator JA120M1SCH
 
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