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:What is the main structure of the contactor?
- The main contact is generally open contact, and auxiliary contacts often have two pairs of normally open contacts and normally closed contacts, small contactors are often used as intermediate relay with the main circuit.
- Q:About introduction type of contactor
- Two, permanent magnet to keep the pull compared with the electromagnetic connection, low noise, no pollution.
- Q:Similar terms for contactors and relays
- The main function of the relay is the signal detection, transmission, transformation or processing
- Q:Various types of contactors are classified
- DC contactor as a widely used one of the electrical switch, the production and the demand for a huge number, in the normal use of the process
- Q:Nvestigation on Detection Technology of Relay Parameters of Single Chip
- Virtual instrument technology is a software-centric new measurement technology, it can greatly reduce the cost of test equipment
- Q:What is the difference between the contactor and the relay?
- How to distinguish? The difference is that Look at their specific use.
- Q:Technical development of AC contactor
- After the 1980s, countries to study the exchange of contactor electromagnet silent and energy-saving
- Q:Current Status of Electrical Performance Testing Technology for Contactors
- The computer as a host computer, A / D sampling board or DSP as the next machine contact parameter automatic detection system
- Q:Traditional communication contactor long life and long reliability?
- Compared with the traditional contactor, permanent magnet AC contactor in closing, in addition to the same electromagnetic force, but also has the role of permanent magnetic force,
- Q:The working principle of permanent magnet AC contactor
- According to the needs of the scene, with the control of electronic modules to control the set the release voltage value can also be delayed for some time
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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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