Go back

Technical specifications

ТОЛУ-ADL-12kV

ТОЛУ-ADL-12kV
Parameter nameParameter value
Highest voltage for equipment, Um [kV]12
Rated primary current, Inp [A]5, 10, 15, 20, 25, 30, 40, 50, 75, 100, 150, 200, 300, 400, 500, 600, 750, 800, 1000, 1200, 1500, 2000
Rated secondary current, Isn [A]1 or 5
Rated frequency, fn [Hz]50
Secondary winding accuracy class for metering0,2S | 0,2 | 0,5S | 0,5 | 1
Secondary winding accuracy class for protection5P; 10P
Rated secondary burden at cos φ = 0,8 - metering winding [VA]5; 10; 15; 20; 30
Rated secondary burden at cos φ = 0,8 - protection winding [VA]5; 10; 15; 20; 30
Instrument security factor, FSFS5 or FS10
Accuracy limit factor, ALF5; 10; 15; 20; 30
Number of secondary windings1, 2, 3, 4
Power-frequency test voltage [kV]42
Lightning impulse test voltage [kV]75
Rated insulation level according to DSTU EN 61869-2 [kV]12/28/75
Climatic configuration and installation category according to GOST 15150УХЛ2
Maximum installation altitude above sea level [m]1000
Installation typeIndoor installation
ConstructionCast epoxy insulation that does not support combustion
Maximum weight [kg]25
Minimum average service life [years]40
Switchable transformation ratio optionOn request
Compliance with standardsDSTU EN 61869-2:2017 Instrument transformers. Part 2. Additional requirements for current transformers.