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43PD Motor Cam Switch is equipment to supply electric voltage for control to protection relay, meter ,control |
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power voltage, etc. due to automatic transference of BUS in accordance with connection state of 2nd voltage |
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of BUS P.T in substation double BUS structure. 43PD Moter Cam Switch protects occurring malfunction |
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of equipment in case of manual transference of 2nd voltage. |
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This equipment applies for auto-control and SCADA of efficient application of total protection control system. |
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* Applying place of protection relay * - Protection panel for T/L railway line) - Protection panel for BUS) - Protection panel for U.F.R) - System voltage of requiring transference of P.T) - Protection panel for M.TR 154/23Kv) | | |
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Contact Rating |
250V, 20A |
Maximum Rating Voltage |
600V |
DC open-close volume |
DC 125V, 20A (50ms) |
Control power voltage |
DC 125V (Range of using voltage : DC94V ~ DC 156V) |
Operating electric current |
below 1.0A |
Transference speed |
After inputting external signal, Bus is changed A -> B or B ->A Transference time of P.T voltage perfectly is within 2.5sec. In case of supplying rating control voltage DC 125V |
Time of transference current |
After operating switch, Bus is changed A -> B or B ->A Transference time of no P.T voltage perfectly is within 2.5sec. In case of supplying rating control voltage DC 125V |
Insulation resistance |
Above 50M Ω |
Mechanical life time |
Above 200,000 times (After operating 1 time, Equipment is stopped 5 seconds) | | |
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Manual Control | |
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In case of field test or Manual operation requested, pull the handle at PULL-OUT position (manual |
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operation position) then enable to operate manually |
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Enable to do manual control regardless of contact position of related Aux-S/W for remote signal |
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Lighting green LED lamp using for indicating manual operating position) |
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Pushing the handle forward at PULL-IN position (automatic operating position) then LED lamp is |
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changed to red lighting and operated as automatic control | |
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Automatic Control | |
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Using it connected with BUS Aux-S/W contact as below 43PD connection diagram (drawing1) |
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When BUS Aux-S/W is transferred then transferred automatically to (A-B BUS) appropriate BUS(B BUS) |
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Unable to operate at BRIDGE position where BUS Aux-S/W putted into simultaneously and enable to |
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operate as BUS Aux-S/W transference completed. |
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Operated automatically only at PULL-IN position (automatic operating position) pushing front handle forward | |
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Remote Control | |
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Using contact of remote control after connecting as below 43PD connection diagram (drawing2) |
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Remote control signal uses three contacts such as A-BUS, B-BUS, OFF) |
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Enable to operate at automatic control position (PULL-IN position) and Unable to operate at manual |
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control position (PULL-OUT position). | |
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Automatic/Remote Control | |
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Using it connected as below 43PD connection diagram (drawing3)) |
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Motion form of automatic control is same as motion form of remote control) | |
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Built-in remote control method | |
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Pull in the cam switch handle then supply control power voltage to 19 and 20 terminal. At this moment, |
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check whether green color of LED is changed to red color of LED pushing handle out after lighting |
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confirmed) |
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Check remote control pushing handle in center as OFF position) |
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Check whether the switch handle moves into B-BUS when supplying DC+ to NO.5 terminal block of cam |
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switch) |
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Check whether the switch handle moves into A-BUS when supplying DC+ to NO.7 terminal of cam switch) |
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Check whether the switch handle moves into Center position (OFF) when supplying DC+ to NO.9 |
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terminal of cam switch. | | | |
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YS FT-1 | |
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¡Ø Note |
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1. Contact composition of DC LOCK is possible to be different according to 43PD MODEL |
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2. 43PD contact composition is basic contact composition |
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3. It is able to operate manual control and field test only in case of pulling front handle out | |
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