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          PRODUCTS
          BH-0.72Ⅰ

          CATALOGUE

          Low Voltage Measuring Current Transformers BH-0.72

          This model belongs to the indoor molded low voltage measuring current transformer. It is widely used in indoors and weather: the highest ambient temperature + 55 ° C, the annual average ambient temperature of 32 ° C, the maximum relative humidity of 99%, Highest altitude - From MSL to 2000 M above MSL, can be installed in the anti-pollution area, no Salt air and explosive gases.

          DESCRIPTION

          Main Technical Data Sheet

          No

          Item

          CT

          1.

          Type

           Indoor

          2.

          Nominal Voltage

          400 V

          3.

          Rated Voltage

          416V

          4.

          Insulation Voltage

          600 V

          5

          Frequency

          50 Hz

          6

          Power Frequency Withstand Voltage

          3kV rms

          7

          Impulse withstand Voltage

          6kV peak

          8

          Accuracy Class

          0.5

          9

          Rated burden

          5 VA (for ≥ 100/5 A Ratings)

          & 2.5 VA(upto 50/5 A Ratings)

          10

          Limits of current error and phase displacement

          IEC 61869-2

          11

          Instrument Security Factor

          < 5

          12

          Primary current

          50A ,100A, 200A, 300A, 400A

          13

          Secondary current

          5A

          14

          Short-time withstand current/Duration

          25kA/1 Sec.

          15

          Type of Insulation    

          encased

          16

          Class of Insulation

          A

          17

          Temperature rise (max.)

          60K

          18

          Sealable Terminal box

          to be provided

          19

          Foot Stand

          to be provided

          Note: Upon request, we are happy to provide current transformers according to other technical specifications.



          Other Features:

          a). The ring type low voltage measuring current transformer shall be of the   encased type (in which the current transformer core and winding are mechanically and electrically protected within an insulation, robust andstrong plastic case) suitable for operation in tropical climatic conditions and the dielectric strength shall not be less than that stipulated in the Technical Requirements. All CT  be of Single Turn.

          b). The internal diameter of the current transformers  not  less than the valuestipulated below:

          Current Transformer Rating (Amp)

          Internal diameter of the CT (min.) to accommodate the PVC insulated Al Cable of sizes (sqmm)

          50/5 A

          50

          100/5 A

          85

          200/5 A

          120

          300/5 A

          185

          400/5 A

          240

          c). Terminals shall be suitable for 2.5 sqmm cables. Double secondery terminals shall be provided for short circuiting the secondary winding before opening the measuring circuit.

          d).The secondary terminals of the current transformer are mounted in a junction box with a seal and are designed with lead screws to prevent contact with unauthorized personnel.

          Outline drawing


          Contact Us

          Email: international2@chuangy.com

          Address: 1F and 4F block B,Jiada R&D Bldg, High-tech Park,Nanshan,Shenzhen,China

          Post code :518057

          Tel. 0086-755-86000713


          Copyright © 2019. Shenzhen Chuangyin   Co., Ltd. All rights reserved. 粵ICP備11018302號
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