Product features：
Feature 1: U-shaped static contact
Feature 2: modularized accessories
Feature 3: miniaturized frame
Feature 4: contact repulsion device (patented technology)
Feature 5: intelligence
Feature6: modularized arc extinguishing system
Feature 7: unification
Ambient and installation conditions：
l Below 2000 meters above sea level;
l Ambient medium temperature should be within -5℃to +40℃(+45℃for marine products);
l lt can withstand the effect of damp air;
l lt can withstand the effect of moulds;
l lt can withstand the effect of nuclear radiation;
l The max inclination is 22.5 degree;
l lt still can work reliably when the ship subjects to normal vibration;
l lt can still work reliably if the product subjects to the earthquake (4g).
l Places where the surrounding medium is free from explosion danger, and far awayfrom gas or conductive dust that would erode the metal or destroy the insulation;
l keep away from rain or snow.
Product selection guide：
Main performance indexes：
|
Type |
AOMA-160 |
AOMA-250 |
AOMA-400 |
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|
Pole |
3P,4P |
3P,4P |
3P,4P |
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|
Rated current（A） |
16,20,32,40,50,63,80,100,125,140,160 |
100,125,140,160,180,200,225,250 |
250,315,350,400 |
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|
Rated voltage |
AC 400V |
AC 400V |
AC 400V |
||||
|
Rated insulation voltage |
AC 1000V |
AC 1000V |
AC 1000V |
||||
|
Short-circuit breaking capacity(KA)Icu/Ics |
AC 400V |
38/18 |
50/35 |
65/65 |
|||
|
Operating cycle number |
ON |
3000 |
3000 |
2000 |
|||
|
OFF |
7000 |
7000 |
4000 |
||||
|
Outline dim. (mm) a-b-c-ca |
3P |
90-155-88-115 |
105-165-88-115 |
140-257-103-155 |
|||
|
4P |
120-155-88-115 |
140-165-88-115 |
184-257-103-155 |
||||
|
Weight (kg) |
3P |
1.2 |
1.7 |
5.7 |
|||
|
4P |
1.5 |
2.1 |
7.5 |
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|
Electric operating device (MD) |
● |
● |
● |
||||
|
External driving operating handle |
● |
● |
● |
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|
Automatic release |
Thermal electromagnetic type |
Thermal electromagnetic type |
Thermal electromagnetic type |
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