• F7-Series Knfin Residual Current Device System 1
  • F7-Series Knfin Residual Current Device System 2
  • F7-Series Knfin Residual Current Device System 3
  • F7-Series Knfin Residual Current Device System 4
F7-Series Knfin Residual Current Device

F7-Series Knfin Residual Current Device

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 pc
Supply Capability:
10000 pc/month

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 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.



Q:A brief introduction to the power contactor
20 amp or more contactor with an arc extinguishing cover, the use of breaking the circuit when the electromagnetic force generated, quickly pull off the arc to protect the contacts.
Q:Get the method of the relay time parameter
In the process of contact will produce bounce, and finally to achieve a stable state, during which the microcontroller data collected or 0 or 1. Set the sampling period of the microcontroller 0.01ms, the data collected by the microcontroller address value multiplied by the sampling period, that is, the required action time. [2]
Q:What is the difference between a contactor and a circuit breaker?
There are some undervoltage, overvoltage and other protection functions
Q:What are the types of AC contactors?
arc extinguishing system: arc extinguishing device used to ensure that the contact disconnect the circuit, the arc generated by the reliable off to reduce the damage to the contact of the arc.
Q:The key structure of the contactor
After the 1980s, countries to study the exchange of contactor electromagnet silent and energy-saving
Q:On the difference between the contactor and the relay
If a main circuit operating current is small, then can usually be used as a relay for electrical appliances as the main circuit of the device.
Q:Computer-centric development trend
The device can realize real-time data acquisition of dynamic waveforms such as contact voltage and current for contactor and breaking process.
Q:What is the main component of the contactor?
one of which is fixed with a coil and a working voltage. select. In order to stabilize the magnetic force, the suction surface of the core is short-circuited. The AC contactor relies on a spring return after power failure.
Q:With long life, long reliability is the advantages of traditional communication contactor
When the opening, the permanent magnet AC contactor in addition to the role of sub-gate spring
Q:Permanent magnet AC contactor working principle
The permanent magnet, which is fixed in the contactor linkage mechanism, is connected with the variable polarity soft magnet which is solidified on the base of the contactor so as to achieve the purpose of pulling

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