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JBK series transformers

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JBK4-WBK machine tool control transformer

JBK4-WBK machine tool control transformer JBK4-WBK machine tool control transformer

JBK4-WBK machine tool control transformer

  • Category：JBK series transformers
  • product description JBK5JBK6 series machine tool control transformers are the latest transformer series introduced by our company from Germany. On the basis of domestic JBK3 series machine tool control transformers, after years of further absorbing
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Product Description

product description

 JBK5JBK6 series machine tool control transformers are the latest transformer series introduced by our company from Germany. On the basis of domestic JBK3 series machine tool control transformers, after years of further absorbing foreign similar products, and optimizing the terminal structure of foreign advanced methods, the terminal and the skeleton are combined in At the same time, the protection level is increased to IP2LX to prevent accidental contact with the circuit. Using domestic IT cooling wiring terminals, the wiring method can improve the wiring density.

 The connection between the silicon steel sheet and the silicon steel sheet of the transformer, and the connection between the silicon steel sheet and the bottom plate are all welded by argon welding, forming a whole, which is simple and clear, especially the bottom plate is formed at one time, and the installation size is more accurate than the JBK3 series Corrosion alloy material greatly improves the reliability of grounding performance and comprehensively improves product quality. This product complies with VDE0550, IEC204-1, IEC439, JB5555, GB5226 and other relevant international and national standards, and has won the European Community: "CE" demonstration , the United States "UL", can be used interchangeably with foreign products.

 JBK5 series machine tool control transformers are suitable for AC 50Hz-60Hz, the input voltage does not exceed 500V, and the output rated voltage does not exceed 220V.

Models and what they mean


Shape and installation dimensions



model Bmax Dmax Emax Mounting hole distance Mounting hole K or K×J Fmax Remark
A C
JBK5/6-40, 63VA 78 72 90 56±0.15 46±0.125 4.6 1.2
JBK5/6-100VA 85 88 96 64±0.15 62±0.15 4.6 1.2
JBK5/6-160VA 96 92 106 84±0.175 73.5±0.5 5.5 1.5
JBK5/6-250VA 96 100 106 84±0.175 85±0.175 5.8 1.5
JBK5/6-400VA 120 100 122 93±0.175 84±0.175 5.8 2
JBK5/6-630VA 150 114 140 125±0.2 92±0.175 7 2
JBK5/6-800VA 150 125 142 125±0.2 105±0.2 7 2
JBK5/6-1000VA 160 195 142 140±0.2 158±0.2 12 3 horizontal
JBK5/6-1000VA 168 130 155 138±0.2 105±0.2 15 2 vertical
JBK5/6-1600VA 184 225 145 155±0.2 180±0.2 12 3 horizontal
JBK5/6-1600VA 168 140 155 138±0.2 116±0.2 15 2 vertical
JBK5/6-2500VA 250 200 152 165±0.2 210±0.23 12 4

Main technical parameters JBK5

Model parameters Rated capacity
(VA) 		Efficiency
% 		Signal winding
(%) 		Control winding
(%) 		Signal winding
(%) 		Control winding
(%) 		Rated input voltage
(V) 		Rated output voltage
(V) 		Remark
JBK5/6-40 40  The capacity distribution of each winding can be manufactured according to user requirements
JBK5/6-63 63 80 AC220(127)110 Control
JBK5/6-100 100 6≥Um>5 95%～105%
JBK5/6-160 160 12≥Um>10 UH AC380±5% 48
JBK5/6-250 250 85 6 or 12 1.1Um 36
JBK5/6-400 400 24 Lighting or Control
JBK5/6-6300 630 AC220±5%
JBK5/6-800 800
JBK5/6-1000 1000 90 12
JBK5/6-1600 1600 6≥Um>4.5 6 Signals
JBK5/6-2500 2500 12≥Um>9

Conditions of Use

1. Applicable altitude: ≤5000m
2. Ambient temperature: -15℃～+45℃
3. Relative humidity: ≤90%
 4. There should be no gas, steam, chemical deposition, dirt, etc. Conductive dust and no other explosive, flammable and corrosive substances.
 5. Those that do not meet the above conditions of use should be negotiated with us.