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          Ningbo Xingbang Electric Co., Ltd.
          Add:No.8 Beisheng Road, Mazhu town, Yuyao City, Zhejiang,China
          Tel/Fax:0547-62465407
          Opening bank:Mazhu Sub-branch Bank of Yuyao Rural Cooperative Bank, Zhejiang province, China
          Zip code:315450
          E-mail:[email protected]
          http://www.upfb.tw


          Current Location:Home Product World Recommended Products


           Product Description

          Model:CT37-S
          Product Name: CT37-S spring operating mechanism
          Product Description:

          The product is specially designed for operating ZW32-12 outdoor HV vacuum breaker and other outdoor or indoor vacuum breakers which have equal switching work.It can meet with the requirements of GB1984 high-voltage AC breaker and the technical conditions of the product. And all the indexes have reached and exceeded the relevant standards of the high-voltage AC breaker in IEC56. CT37-S for manual operation system, has the functions of manual energy storage, manual on and off and over current protection who can inrush current and quick break protection .
          Service conditions:
          1, Air temperature: from -25 ℃ to 45 ℃.
          2, Elevation: ≤ 2000 m; Wind speed: ≤35 m/s.
          3, Daily relative humidity: ≤95%,Monthly relative humidity: ≤ 90%
          4, Places: that no regular violent vibration.
          Technical parameters:
          1, It uses a special energy-stored handle of the circuit breaker to finish manual energy-stored operation with a one way structure. And the operating force is less than 100 N.m.
          2, Open and close the switch through screw tubular electromagnets, the technical parameters see table 1:

          rated voltage(V)

          ~220

          ~110

          220

          110

          48

          24

          rated current(A)

          1.8

          4

          1.5

          2.2

          5

          11.5

          rated capacity(W)

          400

          440

          330

          250

          240

          276

          coil resistance at 20℃(Ω)

          50

          9

          150

          50

          9

          2.1

          Voltage range

          Switch opening:65%~120% of rated voltage;
          Below 30% of rated operational voltage, cannot open the switch;
          Switch closing: 85%~120% of rated voltage

          Technical data of overcurrent tripper, to see table 2:

          rated current 5A

          coil DC resistance at 20℃2.5Ω

          Current range

          90%—110% of rated current, can trip; below 90% of rated current, mustn’t trip


          1, Output flip angle of the mechanism: from 38 to 40
          2, Net weight of the mechanism: 8.6kg
          3, Action times of ZW32-12 outdoor high voltage vacuum circuit breaker equipped with the mechanism are as follows:
          (1)Switch closing time (electric operation): not less than 30 ms at the highest operating voltage; not more than 60 ms at the lowest operating voltage.
          (2) Switch opening time (electric operation): ≤20 ms , ≤40 ms at the lowest operating voltage.
          (3) Interval of primary current: ≤30 ms.


          Online Inquiry Collection Back
          Add:No.8 Beisheng Road, Mazhu town, Yuyao City, Zhejiang,China Tel/Fax:0547-62465407 E-mail:[email protected]
          Copyright © 2010-2011 Ningbo Xingbang Electric Co., Ltd.  China Supplier Design By Hisupplier Online Inc
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