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Product Details
1.Application
BK series machine tool control transformer is suitable for circuit of 50~60Hz, voltage up to 500V, usually applied as power supply for machine tool electrical appliances, local lightings and indicator lamps.

2.Structure character
According to different structures, BK transformer belongs to shell type, and according to the installation mode, it belongs to vertical type.

3.Working environment
1.Ambient air temperature: -5oC~+40oC, the highest monthly mean temperature should not exceed +30oC;
2.Altitude for installing place should not exceed 1000m;

3.When the ambient air temperature is +40, the relative humidity should not exceed 50%, and it allows higher relative humidity under lower temperature. Max average humidity in the dampest month is 90%, meanwhile the lowest average temperature of this month is +25oC, and condensation on the product surface caused by temperature change should be taken into consideration.


Type Rated capacity (VA) Outline (mm) Mounting size (mm) Primary voltage Secondary voltage Weight (kg) QTY/CTN
BK-25 25 76×80×75 63×44 220V 380V 380V, 220V, 110V, 36V, 24V, 12V, 6V to be choosen 1.97 16
BK-50 50 85×90×80 71×61 3.3 16
BK-100 100 103×92×95 87×69 5.5 12
BK-150 150 103×100×95 87×76 6.4 8
BK-200 200 103×106×95 87×81 7.3 8
BK-250 250 115×110×130 95×84 9 6
BK-300 300 115×115×130 95×86 9.87 6
BK-400 400 134×132×150 107×93 13.9 4
BK-500 500 134×137×150 107×98 15.5 4
BK-1000 1000 153×149×168 128×115 25 2
BK-1500 1500 175×185×185 140×135 17 1
BK-2000 2000 175×195×185 140×145 21 1
BK-2500 2500 207×250×230 168×163 25 1
BK-3000 3000 207×250×230 168×173 28 1
BK-4000 4000 240×240×250 200×160 40 1
BK-5000 5000 240×250×250 200×170 41 1


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