• 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: How to use Star Triangle to start contactor orders and processes
Coil circuit in the KMY contactor Contact, when the KMY moving contact is closed, KMY moving contact is broken, after a pre-set delay, the time relay dynamic contact KT off, cut off the coil KMY, the circui
Q: AC contactor technology development
Permanent magnet contactor: permanent magnet AC contactor is the use of magnetic poles repulsion, the opposite sex suction principle
Q: What about the number of AC contactors?
When the coil is powered off, the suction disappears, and the moving core interlocking part is separated by the reaction force of the spring
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 difference between a release, a contactor and a circuit breaker?
Detector is a switch circuit breaker or thermal relay inside a body, popular say that some of the monitoring circuit to reach a certain degree of time to trigger the trigger, the purpose is to control the circuit break.
Q: he three-phase AC contactor has several wiring ports
usually The top three input, the following three then output. Two sets of auxiliary contacts on both sides, both normally open and normally closed contacts available
Q: What does the contactor NC ON mean?
insulation shell and accessories, all kinds of springs, transmission, short circuit, terminal, etc
Q: How to get the relay time parameter
The literature refers to a relay time parameter computer detection method, which uses self-developed acquisition board, which is mainly composed of single-chip and its peripheral circuit
Q: Why should the thermal relay be used with the AC contactor
When the push button SB2 is pressed, the AC contactor coil KM is energized and its main contact is closed, so that the motor is started and the auxiliary contact is closed from the self-locking action.
Q: What is the effect of the contactor coil parallel capacitor?
Capacitors at both ends of the voltage can not be special changes, and the capacitor can delay and reduce the coil's reverse electromotive force, Reduce interference, extend the life of contacts.

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