F7-Series Knfin Residual Current Device

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Shanghai
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Min Order Qty:
100 pc
Supply Capability:
10000 pc/month

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Product Description:

 F7-Series Knfin Residual Current Device 

1.Application

Residual Current DeviceRCD

Standard: IEC1008,VDE0664,CEE27,BS4293

2.TDS

*Type:Electro-magnetic type

*Residual current characteristic:AC

*Pole No: 1P+N

*Tripping curve: B,C

*Rated short-circuit capacity:6kA

*Rated current(A):6,10,16,20,25,32,40

*Rated voltage:240V AC 50/60Hz

*Rated residual operating current(mA):30

*Tripping duration:Instantaneous≤0.1s

*Electro-mechanical endurance:4000 cycles

*Connection terminal:Pillar terminal with clamp

*Connection capacity: flexible conductor 10mm²  Rigid Conductor 16mm²

*Installation:On symmetrical DIN rail 35mm  Pannel mounting  Wiring diagiam .

F7-Series Knfin Residual Current Device

3.Pictures


3.Our Servicce

Cooperate with us, we will be honored and you will benefit from:

1.- Your client satisfied on the right schedule and quality;

2.- Your can get good reputation from your market and obtain more orders;

3.- Our professional service before and after sale;

4.- The reasonable price;        9A CE AC contactor

5.- Any questions from you are welcome and will be replied in 24 hours.


 4.Package & Shipping

 

  • Package : polybag and carton box  export standard package or designed by yourself 

  • Delivery date :within 3 weeks after get payment              9A CE AC contactor

  • Delivery  mode: Ocean shipping, Air transport, Express delivery/( Choose by the customer)

  • Payment terms: T/T in advance, L/C at sight. 


 

Q 1.How about your experience?

A.We have our own professional factory and R&D department & more than 10 years producing experience

Q 2. What's your advantage ? 

A. We have complete set of machines such as ,injection molding machines and punchers,

with these,we can make by ourselves from the inside parts to outside.

It greatly increases the efficiency and saves the cost.

Q 3. How's the delivery time ? 

A. usually it will take about 15-30 days for production

Q 4. Tell me the standard of package? 

A. For inner box and master carton are made as per international standards,

and we can make special design for you if need.

Also if necessary, will be packed in pallet to avoid any damage.

Q 5.Will be any warranty for your item ? 

A. We offer one year warranty for our products. Please feel assured.

Q 6.Do you accept OEM business ? 

We accept OEM authorization.



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Q:What is the energy saving function of traditional contactors?
So the closing of the traditional AC contactor must be maintained by the coil to continue to maintain the power, the current from tens to thousands of milliamperes.
Q:Get the method of the relay time parameter
The single-chip computer is connected with the coil drive circuit to control the energizing and discharging of the excitation coil, collecting the state of the contact when the relay is closed and broken, and calculating its time parameter
Q:What is the number of AC contactors?
the arc extinguishing device, the general capacity of the larger AC contactor are equipped with arc extinguishing device, in order to quickly cut off the arc, from burning the main contact
Q:Can the AC contactor cut off the short circuit current?
Because the AC contactor is only a switch-type device, no current detection and feedback device, so in practice, often with the appropriate thermal relay or electronic protection device into an electromagnetic starter, in order to protect the circuit may occur overload or phase failure.
Q:What is the difference between the auxiliary system 01 and 10 of the AC contactor?
ormally open, normally closed contacts in the coil after the state changes, often open normally closed, normally closed normally open, which play a role in contro
Q:What is the contactor's formula?
The circuit breaker used to control the motor, whose trip trip trip current should be greater than or equal to (1.5-1.7) times the motor starting current.
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:AC contactor technology development
Vacuum contactor: Vacuum contactor is the contact system using vacuum degaussing chamber contactor.
Q:What is the use of AC contactors?
If you want to add self-locking, then you also need to output from the terminal to a terminal connected to the control point above.
Q:Technical development of AC contactor
one of the basic feasible solution is to replace the AC power transformer transformer, and then through the internal rectifier into a DC power supply, but this complex control and Rare.

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