BK Series Control Transformer for Industrial Automation and CNC Machine Tool Power Systems

Product Features

The BK Series Control Transformer is designed for industrial automation and electrical control systems. Using high-grade silicon steel sheets and pure copper windings, it delivers low loss, high efficiency, and excellent insulation performance. Compact and durable, the BK transformer maintains consistent voltage output for control circuits, lighting, and signaling devices. Its reliable overload protection and low noise make it suitable for continuous industrial operation under harsh working conditions.

Technical Parameters

Model: BK Series
Rated Capacity: 50VA–2500VA
Input Voltage: AC 220V / 380V
Output Voltage: AC 6V–220V (customizable)
Frequency: 50/60Hz
Insulation Class: Class B / F
Rated Voltage: Below 1000V
Cooling Method: Natural air cooling
Mounting Type: Panel or DIN rail installation
Core Material: Cold-rolled silicon steel
Winding Material: Enamelled copper wire

Model	Capacity(VA)	A(Long)mm	B(Width)mm	C(High)mm	D(mm)	E(mm)	F(mm)	G(mm)	Weight(kg)
R-5	6	59	50	27	35	45	35	34	0.2
R-8	8-10	69	60	32	45	55	40	40	0.3
R-10	12	79	68	28	55	65	48	45	0.35
R-15	15	88	74	34	62	67	54	48	0.4
R-20	20	94	78	36	67	73	60	56	0.5
R-30	30	104	88	40	75	82	68	60	0.6
R-40	40	114	96	46	82	90	76	66	0.7
R-50	50	125	108	48	92	100	84	72	0.8
R-60	60	132	115	50	98	106	88	74	0.9
R-80	80	140	120	56	104	112	94	78	1.05
R-100	100	149	128	62	112	120	102	84	1.20

Application

BK Series Control Transformers are widely used in CNC machinery, machine tool control panels, automation systems, electrical cabinets, and industrial lighting circuits. They provide safe and stable control power for relays, indicators, solenoids, and work lamps. The BK transformer is ideal for use in equipment requiring voltage isolation and steady control power, such as metalworking machines, packaging systems, and assembly lines.

Why Choose Us

We specialize in manufacturing high-quality industrial transformers with proven stability and durability. Our BK Series products meet international standards and are trusted by global OEMs. We offer flexible voltage customization, fast lead times, and competitive pricing. With years of export experience, we provide reliable solutions and responsive technical support to ensure customer satisfaction in demanding automation and machine tool applications.

BK-2