Online Exporter Miniature circuit breaker-FTM8-LE Wholesale to Tajikistan

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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Product illustration:

8-LE
Technical Data

Model FTM8LE Residual current circuit-breaker
Number of poles IP+N,2P,3P,3P+N,4P
Rated frequency: AC 50/60Hz
Rated voltage (V) AC 230/400
 Rated current (A) C D 1,3,6,10,16,20,25,32,40,50,63 1,3,6,10,16,20,25,32,40,50,63
Rated residual operating current(mA) 30
Rated residual non-operating current(mA) 15
Residual current breaking time 30mA≦0.1s  250mA≦0.04s
Rated short-circuit breaking capacity(KA) 6(In≦40A); 4.5(In﹥40A)
Rated residual current breaking capacity(KA) 3
Mechanical & electrical life: 10,000 operations
Installation
protection rating Ip20
Installation On DIN rail 35mm according to JB6525
Connection capacity: Cross-section of conductors up to 25mm2
Tightening torque 2 Nm
Ambient temperature (°C) -5°C ~ +40°C
Altitude (m) ≤2000m
Relative air humidity no more than 95%
pollution degree
installation condition Used in place without obvious shock and vibration
 Weight (g) ≦32A ﹥40A ≦32A ﹥40A ≦32A ﹥40A ≦32A ﹥40A ≦32A ﹥40A
216 240 320 343 445 473 468 518 585 63

Exterior and dimensions

8-LE111

 

 Number  of poles Rated current
<40A ≥40A
Width (mm) Modules Width(mm) Modules
1 /2 45 2.5 54 3
2/2 63 3.5 72 4
3/3 90 5 103.5 5.75
3 /4 99 5.5 117 6.5
4/4 117 6.5 135 7.5




6 Steps to Checking a Circuit Breaker

A circuit breaker is a safety device that is responsible for cutting power in the house if too much current flows through the wiring. It is usually found inside a breaker panel box. It is important to know where your breaker panel boxes are, and which circuit breaker is responsible for what. It is fairly simple to check the circuit breakers in your house, and is a task which should be performed about every three months to keep you and your family safe. If all the electricity has turned off in one or more areas of your house, it is time to open the breaker panel box and check the circuit breakers to see what the problem is. Knowing how to check the circuit breakers will save you valuable time and money. The following will provide you a guide to help you check your circuit breakers.

Step 1: Initial Checks

First, make sure the breaker hasn’t just tripped. If any one of the switches is in the OFF position, just turn it back to the ON position. If this solves the problem, the breaker works fine. If not, you have to perform some more tests to see what the problem is.

Step 2: Checking for a Short-Circuit

Switch the breaker completely to the OFF position, then move it back to the ON position. If it doesn’t stay on or there is a humming sound when you switch it on, pull the wire out of the circuit breaker and repeat. If this is the case, there is likely a problem with the wiring.

Step 3: Testing the Panel

Remove the wire from the breaker. Test the active breaker with the Voltmeter. If there is voltage, the breaker works fine and your problem is with the breaker panel and you will probably have to replace it. If there is no voltage, the problem probably lies in the breaker itself.

Step 4: Testing the Breaker Using the Wiggin’s Tester

Use the Wiggin’s Tester or a lightbult attached between the screw and a ground in the panel. If the tester doesn’t run, it means that the breaker is faulty and should be replaced.

Step 5: Testing the Breaker by Changing Wiring

Another way to test the breaker to see if it is bad is to move its wire to another breaker to see if it still works. This is the simplest and most effective test. You must ensure that both breakers are off when moving the wire, then turn the new breaker on. If the new breaker still has a problem, this means the wiring is faulty. If the new breaker works fine, this means that the previous breaker had the problem.

Step 6: Testing the Breaker by using the Ohm-meter

One final test you can do is to test it with an Ohm-meter. To do this, first turn the breaker off, then remove it, turn it back on, and use the ohm-meter to check between its screw and bus clip. If there is a reading above 5 ohms, this means that the breaker is faulty and must be replaced.

Your household has a higher risk of being hit by power surges because of lightning hits if you are living in rural locations. Although urban locations are also susceptible to power surges, the folks who are living in rural areas are more prone to this. You ought to install whole residence surge protectors if you want to successfully protect your investment.

You are at risk in case you are living near an electric line because the surge will probably be traveling to your property.

What Can You Expect from Whole Residence Surge Protection?

You need to know that a whole residence surge protection device has the capability to protect all your electronic gadgets, appliances, telephones, cable, TV equipment and internet equipment at exactly the same time. You’ll require a professional electrician to accomplish this for you only for $200 or maybe more. However, in case you already have a couple of knowledge with primary service panel, you can set up this on your own.



A description of the time delay screw in fuse that uses an adaptor to eliminate use of the wrong fuse in a circuit. How it works. This video is part of the pilot gas furnace playlist.
This video is part of the heating and cooling series of training videos made to accompany my websites: www.graycoolingman.com and www.grayfurnaceman.com to pass on what I have learned in many years of service and repair. If you have suggestions or comments they are welcome.
If you are a homeowner looking to repair your own appliance, understand that the voltages can be lethal, the fuels are highly flammable and high pressures are used. Know your limits.

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