Load-break switch 12 kV, 630 A | FLN36-12D/630-20, FLRN36-12D/T125-31.5

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FLN36-12D/630-20 SF6 Switch / FLRN36-12D/T125-31.5 SF6 Switch-fuse Combination

Application: in the system of 50Hz, 12kV for making and breaking of load current, over-load current and short-circuit current to control and protect the circuit and transformer, etc.
Standards: IEC 60265, IEC 60420

Features:
 Indication of the active contact to show the operation status of the switch.
 High insulation level.
 Fully sealed and reliable operation.

Technical Data:
 Rated voltage(kV): 12
 Rated current(A): FLN36-12D: 630； FLRN36-12D: 125
 Rated frequency(Hz): 50
 Rated short-time withstands current of switch/ Rated continuous time of short-circuit(kA/s): FLN36-12D: 20/3
 Rated short-time withstands current of earthing switch/ Rated continuous time of short-circuit(kA/s): FLN36-12D: 20/2
 Rated peak withstand current and rated short-circuit making current(kA): FLN36-12D: 50； FLRN36-12D: 125 (anticipated)
 Breaking current of active load(A): FLN36-12D: 630
 5% rated breaking current of active load(A): FLN36-12D: 31.5
 Cable-charging breaking current(A): FLN36-12D: 10
 Breaking capacity of no-load transformer(kVA): 1250
 Breaking transfer current(A): FLRN36-12D: 1700
 Prospective short-circuit breaking current(kA): FLRN36-12D: 50
 1 min power frequency withstands voltage, phase-to-phase, to earth/break(kV): 42/48
 Lighting impulse withstands voltage, phase-to-phase, to earth/break(kV): 75/78
 Mechanical life: 2000
 Rated pressure of SF6 gas (gauge pressure at 20℃) [Mpa]: 0.04~0.05

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