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JBK5 series machine control transformer

The JBK5 series machine tool control transformers include JBK5 Series Machine Tool Control Transformer, JBK5 Control Transformer, and JBK5 Control Transformer. They are upgraded based on the German 90 series technology, achieve IP2LX protection level through the integrated design of terminal block and frame, use TIG welding process to connect silicon steel components, comply with international standards such as VDE0550 and IEC204-1, and have obtained CE/UL dual certification.

    Product Overview‌

    As a model of localized application of German technology, the JBK5 series achieves product iteration through three core technological innovations:

    1.Structural reinforcement

    The die-cast alloy base plate adopts one-time molding technology, and the installation accuracy is improved by 0.15mm compared with the JBK3 series.

    The terminal block and the frame are integrated into the design, and the cold-pressed terminals (IT Cold terminals) that have passed the 16kN pressure test ensure the connection strength.

    2.Process upgrade

    TIG argon arc welding is used between silicon steel components, with a weld penetration depth of 2.3mm.

    Electromagnetic system losses reduced by 22% (compared to EN61558-2-6 standard).

    3.Certification system

    Passed the EU CE certification (EN 60204-1:2018) and the US UL5085-1 standard.

    Complies with China's GB5226.1-2019 mechanical and electrical safety requirements.

    Protection level: IP2LX (anti-intrusion of foreign objects with a diameter of 12.5mm).

    This series of products is particularly suitable for harsh environments such as CNC machining centers where oil mist and metal dust are present. The design of grounding resistance ≤0.1Ω significantly improves equipment safety.

    Shape size and installation dimensions

     5.Shape size and installation dimensions.jpg

    TYPE

    Shape and Size

    Installation

    Installation hole

    FMax

    NOTE

    B max

    D max

    E max

    A

    C

    JBK5-40、63

    78

    72

    90

    56±0.15

    46±0.125

    4.6

    1.5

     

    JBK5-100

    85

    75

    96

    64±0.15

    62±0.15

    4.6

    1.5

     

    JBK5-160

    96

    92

    105

    84±0.175

    73.5±0.15

    5.5

    1.5

     

    JBK5-250

    96

    100

    104

    84±0.175

    85±0.175

    5.8x11

    1.5

     

    JBK5-400

    120

    100

    122

    90±0.175

    85±0.175

    5.8x11

    2

     

    JBK5-630

    150

    110

    140

    122±0.2

    90±0.175

    7

    2

     

    JBK5-800

    150

    128

    142

    122±0.2

    105±0.2

    7

    2

     

    JBK5-1000

    150

    190

    142

    126±0.2

    155±0.2

    7

    3

     

    JBK5-1000

    168

    125

    155

    105±0.2

    138±0.2

    9

    2

    Cross

    JBK5-1600

    170

    225

    153

    140±0.2

    176±0.2

    7

    3

    Vertical

    JBK5-1600

    168

    138

    155

    116±0.2

    138±0.2

    9

    2

    Cross

    JBK5-2500

    194

    160

    165

    172±0.2

    195±0.23

    7

    4

    Vertical