Electromagnetic Contactor Mitsubishi S-T35 Elevtric Apparatus For Control
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 kg
- Supply Capability:
- 2000 kg/month
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Specification
Electromagnetic contactor (contactor) refers to an electrical appliance that
uses the current flowing through the coil to generate a magnetic field in
industrial electricity to close the contact so as to control the load. The
contactor is composed of electromagnetic system (armature, stator core,
electromagnetic coil), contact system (normally open contact and normally
closed contact) and arc extinguishing device.
Structural composition
Electromagnetic contactor is mainly composed of transmission device
(electromagnetic mechanism), contact device (actuator) and arc extinguishing
device.
1. Electromagnetic mechanism
The electromagnetic mechanism includes three parts: moving core (armature),
static core and electromagnetic coil. The electromagnetic coil is connected
with current to generate electromagnetic suction and drive the contact to act.
Electromagnetic mechanism is one of the important parts of electromagnetic
contactor. The electromagnetic mechanism is composed of coil, iron core (static
iron core), armature (moving iron core), pole shoe, iron yoke and air gap. The
coil and iron core in the electromagnetic mechanism do not move in the working
state; The armature is movable.
The electromagnetic mechanism converts the electromagnetic energy generated by
the electromagnetic coil into mechanical energy through the action state and
action process of the armature and the corresponding mechanical mechanism to
drive the contact to close or open, so as to realize the control purpose of the
controlled circuit.
2. Contact device
There are many structural forms of contact, which can be divided into: main
contact and auxiliary contact according to the control circuit;
The contact is divided into normally open contact and normally closed contact
according to its original state;
The contact is divided into bridge contact and finger contact according to its
structural form.
3. Arc extinguishing device
Arc extinguishing cover is an insulated and high temperature resistant arc
extinguishing device made of clay and asbestos cement. It is a simple arc
extinguishing device.
When using the arc extinguishing cover device to extinguish the arc, the
longitudinal seam arc extinguishing method is generally used in the arc
extinguishing cover.
Common arc extinguishing devices: arc extinguishing cover (arc resistant clay,
asbestos cement and arc resistant plastic), arc extinguishing grid (arc
resistant grid sheet copper plated thin steel sheet), magnetic blowing arc
extinguishing device (an arc extinguishing coil is connected in series in the
contact circuit).
4. Other components, including reaction spring, buffer spring, transmission
mechanism and shell, etc.
- Q: On the difference between the contactor and the relay
- so that the contactor to work the current is also very large, that is to say its control circuit flows through the current is very large, with ordinary relays difficult to turn off its control circuit
- Q: What is the noise-free function of traditional contactors?
- so that static and dynamic silicon steel plate pull, when the grid voltage or dynamic silicon steel surface is uneven or dust, foreign objects, etc
- Q: What is the effect of the open contact of the AC contactor and the pushbutton switch?
- Long connection, that is, on the basis of the jog, stop the button on the back and then connect a line to the contactor normally open the end of the auxiliary contact, the other end of the auxiliary contact connected to the coil contacts, This contact is connected to the start button
- Q: What parts of the contactor
- AC contactor is made as a whole, shape and performance are constantly improving, but the function is always the same.
- Q: What is the number of AC contactors?
- AC contactor is mainly composed of four parts: (1) electromagnetic system, including the attracting coil, moving core and static core;
- Q: he three-phase AC contactor has several wiring ports
- Control coil is when the coil is energized, the AC contactor pulls in, the main circuit is connected
- Q: The difference between electromagnetic contactor and AC contactor
- C contactor is also a kind of electromagnetic contactor, because the AC contactor is the use of alternating current to let the coil produce magnetic field (magnetic flux), so that contactor to pull.
- Q: Contactor dynamic performance detection technology and comprehensive evaluation method
- . In this paper, the dynamic response of the contactor is tested, and the parameters of the contactor mechanical and electrical characteristics are extracted from the contact test waveform
- Q: Similar terms for contactors and relays
- The main function of the main circuit is to connect to or disconnect the main circuit. The so-called main circuit is a circuit is working or not by the circuit is connected to the mark.
- Q: What causes the AC contactor to be damaged
- . Increase the power capacity, replace the line repair control contact 3. Replace the coil
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Electromagnetic Contactor Mitsubishi S-T35 Elevtric Apparatus For Control
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 kg
- Supply Capability:
- 2000 kg/month
OKorder Service Pledge
OKorder Financial Service
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