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Contact part
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AC
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Rating voltage
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250V |
600V |
Rating current
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30V |
20V |
DC
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Rating voltage
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125V |
220V |
Rating current
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20V |
10V |
Rating conductive current
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30A |
ÄÚÀϺÎ
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AC
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110V/220V 60Hz |
DC
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110V/125V | |
¡Ø For DC 20A, permanent magnet is attached. |
¡Ø Refer to Cam Swtich for part materials and performance. | |
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fig. 1 |
fig. 2 |
fig. 3 |
circuit is normal. - " TRIP " position - contact "LR" "FC"separated.
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circuit is normal. - " RESET " position - contact " LR " stick - contact " FC " separated. |
circuit is abnormal state. - S/P return to " TRIP " position - contact " LR " separated. - contact " FC " stick |
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( fig. 1 ) |
When the handle of Lockout Relay is in the "TRIP" position(circuit is normal), both "FC" contact and "LR" contact are separated. |
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( fig. 2 ) |
Since switch stops mechanically if handle is manual operated turned to "RESET" position(circuit is normal), cannot "TRIP" manually. In this case, "LR" contact sticks, "FC" contact is continually separated. |
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( fig. 3 ) |
When circuit is abnormal state, that is when "FC" contact sticks, if moment viltage is supplied to coil through "LR" contact, handle becomes "TRIP" position automatically and "LR" contact is separated. Accordingly, because continuous voltage supply to coil is not occurred overheating of coil is avoided. Here, if handle of switch is turned to "RESET" position manually, since voltage is supplied to coil through "FC" & "LR" contacts, handle again returns to "TRIP" position when hand released. That is, unless contact "FC" is separated by abnormal state of external circuit, handle can't return to "RESET" position. If abnormal circuit is corrected, contact "FC" is separated and returns to (Fig.1) state again. | | |
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