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Business Type | Manufacturer, Exporter, Supplier, Retailer, Wholesaler |
Preferred Buyer From
Location | Anywhere in India |
Electrical Ratings (3Phase) Symmetrical Basis | |
Rated frequency | 50/60Hz |
Rated Voltage | 12kV,r.m.s |
Rated short-time power-frequency withstand voltage (1 min) | 42kV,r.m.s |
Rated lightning impulse withstand voltage | 85kV,Peak |
Rated Current | 630A |
Maximum Contact Resistance at Minimum Closing Force | テ「可、35Micro ohms |
Rated short-time withstand current | 25kA,r.m.s |
Rated duration of short-circuit | 1s |
Rated peak withstand current | 63kA,r.m.s |
Rated short-circuit making Current | 25kA,r.m.s |
Rated active load breaking current | 630A |
Rated closed-loop breaking current | 630A |
Rated capacity of no-load transformer | 10A |
Rated cable-charging breaking current | 10A |
Rated line charging breaking current | 1A |
Rated earth fault breaking current | 30A |
Rated cable and line charging breaking current under earth fault condition | 17.3A |
*Rated breaking current of single capacitor bank | 400A |
*Rated breaking current of back-to-back capacitor bank | 400A |
Mechanical Data | |
Interrupter Weight(Approx.) | 1.18kg |
Weight of movable parts | 0.58kg |
Closing force due to bellow and atmosphere | 60テつア30N |
Force required to hold contacts open at full stroke | 130テつア40N |
Mechanical Requirements (Ref. Lbs) | |
Clearance between open contacts | 9テつア1mm |
Average opening speed(average of first 75% of contact gap) | 1.0テつア0.2m/s |
Average closing speed(average of last 30% of contact gap) | 0.6テつア0.2m/s |
Rated added external contact final force | 1000テつア100N |
Contact bouncing duration at closing operation | テ「可、2ms |
Closing and Opening non-simultaneity of three-phase Contacts | テ「可、2ms |
Maximum Rebound during opening | テ「可、2ms |
Life | |
Storage life | 20years |
Mechanical endurance | 10000 Operations |
Contacts limit erosion | 3mm |