BKC Series Control Transformers – Compact, Reliable Power Solutions

BKC Series Control Transformers deliver consistent performance in 50–60 Hz AC circuits. Designed with a compact C-type core for low loss and easy installation, they suit electronics, mining, machinery, and industrial applications. These transformers operate reliably within altitudes up to 2000m, temperatures from -25°C to +40°C, and humidity below 95%. Built for durability in clean, dry environments, they resist corrosion and moisture. Offering stable power for machine tools, control systems, and general electrical use, BKC transformers provide an efficient, long-lasting solution for various industrial power supply needs.

product details

Type Designation

1	Transformer
2	Control
3	C-type core
4	Rated capacity (VA)

Normal Working & Installation Conditions

● Maximum operating altitude: 2000 meters
● Ambient temperature range: -25°C to +40°C
● Maximum monthly average temperature not exceeding +30°C
● Annual average temperature not exceeding +20°C
● Relative humidity below 95%
● Environment free from corrosive gases, dust, or conductive particles
● Must be protected against exposure to water, rain, or snow
● Supply voltage waveform should be nearly sinusoidal
● Special ordering required for use below -25°C

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Structural Features

● C-type core made from high-grade magnetic material
● Compact design with reduced losses and space-saving footprint
● One-piece molded base ensures precise alignment during installation
● Core secured with strapping for enhanced stability and service accessibility
● Terminal blocks designed for safe, straightforward wiring connections
● Suitable for a wide range of industrial and electronic applications
● Capable of continuous operation under rated load conditions
● Robust construction supports long service life in demanding environments

External Dimensions and Installation Dimensions

BKC Series Control Transformers Dimensions

Model	Installation Dimensions		Mounting Hole K or K×J	External Dimensions
Model	A	C	Mounting Hole K or K×J	B	D	E
BKC-25VA	50	64	4.5×6.5	83	58	83
BKC-50VA	50	57	5×8	70	80	98
BKC-100VA	56	80	6×9	79	103	110
BKC-150VA	56	80	6×9	83	103	125
BKC-200VA	80	78	6×9	100	99	137
BKC-250VA	78	78	6×9	101	98	139

Ordering Information

When ordering the control transformer model BKC-150, please provide the following specifications: output capacity 150VA, frequency 50Hz, rated input voltage 220V, and rated output voltages with their respective capacities—110V (100VA) and 24V (50VA). If an isolation shield between the input and output windings is required, please clearly note this in your order.