Home > Sell Now > Electrical Equipment & Supplies > Circuit Breakers >

Buy 110kV-SF6 Circuit Breaker

Date Posted :	2008-05-12
Valid until :	2008-05-14

Sign in to view this member's contact information

Member ID :

Password :

Forgot your ID/Password?

This buyer has chosen to show contact information to all members.
You may sign in to view contact details and send an inquiry.

VII.A. 110kV-SF6 circuit breaker
Standard: IEC 62271-100;

Technical Parameters:
Out door, 3 phase, SF6 circuit breaker type
        Rated voltage: 123kV.
Rated frequency: 50Hz.
        Rated current: 1250A
        Number of break chamber of a pole: 1 (one)
        Short - time withstand current: 25kA/3s
        Rated breaking current: 25kA
        Making current: 63 kA (peak)
        Percentage of DC component: As per IEC 62271-100;
        Operation cycle: 0 - 0.3s - CO - 3min - CO
        Total breaking time:  70 ms
        Total closing time:  100 ms
        Number of breaking operation at full short circuit current: > 20 times
        The operating mechanism will have a stainless steel enclosure, IP55 type.
        Wired control cubicle including:
        + Operating mechanism type: springs charged
        + Mechanical operation duration:  10,000 times
        + Anti - pumping device
        + Local / remote control switch
        + 1 closing coil
        + 2 tripping coils
        + SF6 density meter with alarm/trip contractor and barometric scale or color scale.
        + Auxiliary contact 12NO/12NC
        + Auxiliary contacts for charged spring signal and motor control
        + Heating and lighting device
        + Self - supply voltage:
                * Motor: 380/220 VAC and VDC.
                * Opening and closing coil: 220VDC.

Accessories:
- Control cabinet.
- Gas charging device.
- SF6 gas for first filling
- Zinc galvanized Supporting structure
- Terminal for conductor 185 mm2, earthing terminal
- Hand crank
- Document for installation, operation, maintenance, and test report.

Special note: Bidder provides following document for bid evaluation.
- Type test certificate (as per IEC 62271-100).
- List of clients.
- Operating certificate of clients.
- The explanation proves that this type of circuit breaker has advantages in arc quenching principal for breaking small current.
- Characteristics short circuit current - times.
- Time of first release of such type offered circuit breaker.

Related Keywords: circuit breaker , 110kV-SF6 , 1250A , 123kV

If you can’t find more Buying Leads related to your items, why not post your Selling Leads and Products instead? It will let your potential buyers to contact you directly.