询盘如下： Inquired Product Air Circuit Breaker (SUNW1) Recipient??Miss Tracy Date??2010-05-13 01:50:06 (GMT+08:00) Beijing, Hong Kong Content??Please kindly suply me with quotations for 630 to 2000amps acb and 2000 to 3000amps respectively. Treat as urgent
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这次终于到他的邮件了，他的回复如下： Dear Mr Tony,
I he seen the attachment and he chosen ACB no “B”, kindly send me proposal with standard electrical accessories on the Breaker as follows:-??3 closing contacts “O” , 3 opening contacts “F”, Fault trip indication contact “SDE” , Springs charged contact “CH” 240v ac , Under voltage release??“MN” 220- 250v ac, Shunt release “MX” 220-250v ac, Closing release “XF” 220-250v ac. 4 auxiliary switches “OF”, 24 Supplementary auxiliary contacts OFSUP, Ready to close contact PF, lower level ready to close contact PFCD, Ready to Close contact PF, lower level ready to close contact PFCD,??4 connected position carriage switches CE, 2 Disconnected position carriage switches CD, Test position carriage switch CT.
REQUIRED MECHANICAL ATTACHMENT: Push button locking device VBP, Open position key lock, Operation counters CDM, Mechanical Interlock for 3 power systems net work.
We are sorry for the delay in reply; this was due to net work failure.
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Waiting for you positive and friendly reply!
I could not see the attachment. However, if the ACB can be operated manually and electrically it will serve my purpose. For further explanations, the breaker should he ; Charging motor,, Closing coil , Opening coil, Auxiliary contacts and a means to interlock mercanically,
Thanks always for prompt action,
Thank you for your letter!
According to your request, the reply is as follows:
1) Charging motor(Motor-driven Energy-storge system):it has the functions of motor-driven to store energy and to restore energy automotively,the energy-suorage of the device could be done with motor-driven or manually.It is a conventional voltage:AC220V/380V and DC110V/220V.
2)Closing coil and Opening coil:Rated voltage:AC220V/380V and DC110V/220V.
3) Auxiliary contacts:the normal type of auxialiary contacts is 6NO(normal open)6NC(normal close),reted thermal current:10A.
4) Mechanical Interlock: a:wire cable interlock(Level interlock):can realize the interlock of two horizontal breakers or veroically installed breakers with three poles or four poles. binkage interlock(Vertical interlock):three breakers with three poles or four poles that are superposed can realize the interlock which one breaker is different form the other two.
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