BK series machine tool control transformer is suitable for circuit of 50~60Hz, voltage up to 500V.

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 characterAccording 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.4.Specifications

Model Overall size(mm) Hole distance for installation(mm) Installation hole (mm)K x JBmaxDmaxEmaxA C BK-50 BK-100 BK-150 BK-250 BK-300 BK-400 BK-500 BK-700 BK-1000 BK-1500 BK-2000

76	76	83	61±0.4	54±3	5 × 12
84	92	100	70±0.4	60±2.5	6 × 12
96	105	110	80±0.4	62±2.5	6 × 12
105	120	125	88±0.4	73±3	9 × 11.5
115	125	125	95±0.4	76±3	9 × 11.5
120	130	130	100±0.4	80±3	9 × 11.5
134	144	150	100±0.4	86±3	9 × 11.5
150	150	158	125±0.4	100±3	9 × 11.5
150	153	160	125±0.4	110±3.5	9 × 11.5
160	240	137	134±0.4	116±3.5	9 × 11.5
189	270	145	158±0.4	122±3.5	9 × 11.5

BK Machine Tool Control Transofrmer