T&D Systems > Worldwide Presence > TTDI > Switchgears > Vacuum Interrupter (Type GV)

Vacuum Interrupter (Type GV)

(12 kV to 36 kV)

Vacuum Interrupter (Type GV)

The "GV Series" Vacuum Interrupters (VIs) are designed to suit the requirements of the users for various applications. These VI designs are being manufactured in the state of art processing facility.

The manufacturing & testing facility at TTDI is comprising of world class brands of Vacuum Furnaces, Clean Room of 1000 / 100 class and other processing, testing equipments.

The VI specifications varies from Rated Voltage 690 V to 52 kV, rated normal current 600 A tp 3150 A, Short Circuit Breaking 4 kA to 44 kA. The Application of VIs encompasses Conventional circuit breakers, Vacuum Contactors, Auto Reclosers, RMUs etc.

USPs

Electrical Ratings(3 phase Symmetrical Basis) Unit GV-001 GV-008 GV-009
Rated Maximum Line to Line Voltage kV, r.m.s. 36 12 12
Rated Normal Current A, r.m.s. 2000 2000 1250
Rated Frequency Hz 50 / 60 50 / 60 50 / 60
Rated Power Frequency withstand Voltage: Air kV, r.m.s. 70 36 36
Rated Impulse withstand Voltage kV, Peak 170 95 95
Rated Short Circuit Current (3 Phase Symmetrical Basis) kA, r.m.s. 26.3 26.3 20 / 26.3
Rated duration of Short time Current Sec 3 3 3
Percentage D.C. component of S.C. Breaking current % 50 50 50
Rated short circuit making current kA Peak 67 67 67
Rated short time withstand current kA, r.m.s. 26.3 26.3 20/26.3
Maximum contact Resistance at minimum closing force micro ohms 50 30 30
Capacitor Switching capacity (Single Bank) A, r.m.s. 400 400 400
Interrupter weight (Approx) Kg 8 2.9 2.5
Moving Part Weight (Approx) Kg 2.3 0.9 0.9
Contact force from atmospheric pressure Kg 16.8 16.8 16.8
Requirements for Usage Contact Stroke mm 20 - 22 6 - 8 6 - 8
Opening Speed (average of 75.5 contact gap) m / sec 1.4 - 1.6 1.0 - 1.3 1.0 - 1.3
Maximum over travel during opening mm 3 2 2
Maximum rebound during opening mm 2 1 1
Closing speed (average of last 30% contact gap) m / sec 0.9 - 1.2 0.7 - 1.0 0.7 - 1.0
Maximum contact bounce duration (with max 2 bounces) sec 0.002 0.002 0.002
Added contact force for rated S.C. making current - - - -
(Excl. contact force from atmp. pressure), at contact touch point kgf 227 - 249 227 - 249 227 - 249
Final force kgf 230 - 280 230 - 280 230 - 280
Life expectancy Electrical life at rated normal current operations 20,000 30,000 30,000
Electrical life at rated short circuit current operations 100 100 100 / 35
Mechanical life operations 30,000 50,000 50,000
Contact Erosion limit mm 3 3 3
Shelf life Years 20 20 20
Dimensions (D X H X h) mm 142.5 X 300 X 240 114 X 221 X 159 91 X 221 X 159

Technical Parameters of the products contained in this website are generic in nature. Please contact us for any Latest / Updated / Specific Information.