Three-phase autotransformers ATT standard

Three-phase autotransformers ATT standard2018-10-03T13:16:15+00:00

Three-phase autotransformers of ATT series can be made by connecting the star or triangle phases. The autotransformers are used whether as reductors or tension elevators, a cost and dimensions advantage will depend on relation of the output tension.

Technical specifications:
– insulation class F
– frequency 50/60 Hz. A20
– open execution, protection level IP00
– ambient temperature 40°C
– frame with earth connection
– resin impregnated and tropicalised
– electric class of protection l

Essential information for order and offers inquiries:
– power in VA
– network tension and frequency
– output tension
– ambient temperature
– working ambient conditions
Primary Tension: 0-230-400 Vac
Secondary Tension: 12-0-12(0-12-24) / 24-0-24(0-24-48) / 55-0-55(0-55-110) / 115-0-115(0-115-230)
Final code: 12-0-12=Cod.12 / 24-0-24=Cod.24 / 55-0-55=Cod.55 / 115-0-115=Cod.115
Code Power
Va
Watt loss
Watt
Dv
%
Vcc
%
Dim.
H mm
Dim.
L mm
Dim.
P mm
Dim.
P1 mm
Dim.
X mm
Dim.
Y mm
Weight
Kg
TM003— 30 7 7 10 80 80 85 72 62,5 42 1
TM005— 50 9 7 8 85 88 90 77 70 48 1,5
TM008— 80 10 7,8 7,5 85 88 100 87 70 58 2
TM010— 100 12 7,8 7,5 85 88 110 97 70 68 2,3
TM015— 150 16 6 7 95 100 110 100 80 72 3
TM020— 200 18 6 7,5 95 100 120 110 80 82 3,5
TM025— 250 23 7 6,5 115 125 100 97 100 72 4
TM030— 300 25 5 5,5 115 125 110 107 100 82 5
TM040— 400 33 5,5 5 115 125 120 117 100 92 5,6
TM050— 500 38 4,5 5 160 155 130 125 125 92 8
TM075— 750 60 4,2 4,3 160 155 150 145 125 112 10,5
TM100— 1000 70 4 4 160 155 170 165 125 162 14
TM150— 1500 85 3 4,5 200 200 144 130 132 100 17,5
TM200— 2000 115 3 3,5 200 200 170 160 132 126 22
TM250— 2500 120 3 3,5 200 200 190 180 132 146 25
TM300— 3000 150 3 3,3 200 200 200 190 132 165 30
TM400— 4000 165 3 3,2 200 200 230 220 132 186 38
TM500— 5000 200 3 3,5 230 260 260 230 210 184 45
Dv: tension drop from vacuum to full load – Vcc: short-circuit tension.
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