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Manual Change Over Switch
  • Manual Change Over SwitchManual Change Over Switch
  • Manual Change Over SwitchManual Change Over Switch
  • Manual Change Over SwitchManual Change Over Switch
  • Manual Change Over SwitchManual Change Over Switch
  • Manual Change Over SwitchManual Change Over Switch
  • Manual Change Over SwitchManual Change Over Switch

Manual Change Over Switch

Manual Change Over Switch is a switch with two or more positions that can be operated manually to change the connection status of a circuit. It is commonly used in applications where different circuit paths need to be selected, such as backup power switching, equipment start and stop control, etc.

Model:SFT2-63

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Product Description

ITEM

SFT2-63

Rated Working Current

16,20,25,32,40,63A 

Pole

 1P,2P,3P,4P

Rated Working Voltage

230/ 400V

Controling Voltage

AC230V/380V

Rated Insulation Voltage

AC690V

Transfer Time

≤2S

Frequency

50/60Hz

Operating Model

 Manual ( I-O-II)

ATS Level

CE

Mechanical Life

10000 times

Electrical Life

5000 times


Principle of operation

The working principle of a manual reversing switch is relatively simple. It contains one or more sets of contacts that are connected to different circuits in different positions. When the handle or knob is operated, the contacts move with it, thus changing the state of the circuit connection.

Manual Change Over SwitchManual Change Over SwitchManual Change Over SwitchManual Change Over SwitchManual Change Over SwitchManual Change Over Switch

Manual Change Over Switch

Types and Structures

Manual reversing switches are available in a variety of types and configurations, the following are common:

Single-pole, single-throw (SPST) switches: have only one contact to connect or disconnect a circuit.

Single-pole, double-throw (SPDT) switches: have one common contact and two optional contacts that can be manually switched to two different circuits.

Double-pole, double-throw (DPDT) switches: have two independent single-pole, double-throw switches that can switch two circuits simultaneously.

In addition, manual reversing switches can be categorized according to parameters such as installation method, rated current and rated voltage.


Application Scenarios

Manual reversing switches are widely used in a variety of situations where manual circuit switching is required, such as:

Standby power switching: In power systems, when the main power supply fails, the manual reversing switch can be used to switch to the standby power supply to ensure the continuous operation of the equipment.

Equipment start and stop control: In industrial automation control systems, manual reversing switches are commonly used for equipment start and stop control.

Circuit testing and debugging: During circuit testing and debugging, manual reversing switches can be used to select different circuit paths for testing and analysis.



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