QF240 Ground Fault Circuit Breaker

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  • ID: #11308
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  • Availability: 8 In Stock
  • $79

QF240 ITE/Siemens  QF 2 Pole 40 Amp Bolt-on Circuit Breaker with Ground Fault Protection

Ground Fault Circuit Breaker

Specifications :

  • Part Number :
  • Cat. No.
  • Manufacturer :
  • Amperage :
  • QF Amperage Range :
15 to 100 Amp
  • Poles :
  • Voltage
  • Model :
  • Type:
  • Interrupting Rating :
10,000 aic @ 240 Volt
  • Frame Type :
  • Trip Type :
Thermal Magnetic
Ground Fault

Great Information about QF Ground Fault Circuit Breakers

What is a QF Ground Fault Circuit Breaker

A ground fault circuit interrupter (GFCI), or Residual Current Device (RCD) is a device that shuts off an electric power circuit when it detects that current is flowing along an unintended path, such as through water or a person. It is used to reduce the risk of electric shock, which can cause the heart to stop or cause burns. They can also prevent some fires, like when a live wire touches a metal conduit.

What does a QF Ground Fault Circuit Breaker do?

The Square D Ground Fault circuit interrupter protects people against electrical shocks. GFCI protection is required in wet or damp areas such as bathrooms, kitchens, garages, spas, pools and outdoor receptacles. Do not connect to more than 250 feet of load conductor for the total one-way run to prevent nuisance tripping.

Operation of GFCI Circuit Breakers

A GFCI device uses Kirchhoff’s current law. This law states that on all points on an electrical circuit the current must be exactly equal to every other point on that same circuit. House wiring normally has a “hot leg” and a “neutral leg”. The GFCI device monitors the current “going out” on the hot leg and the current “coming back in” on the neutral. If there is a difference between the two currents, with as little as 4-5 milliamps, then that is an abnormal condition and then the GFCI device will trip and stop all current flow. This is because a difference between the two monitored currents on that one circuit is usually caused by a short circuit. A short circuit is when current leaves the normal current path, and takes an unintended path. This unintended path may send current through the human body, causing harm or death.

Death (electrocution) can happen when as little as 30 milliamps of current flows through the heart for just a fraction of a second. The GFCI device protects at a threshold far less than what is needed to cause harm or death.

The Square D Ground Fault Circuit Breakers are made from 15 to 60 Amp and fit into ITE Loadcenters.  They are very high quality as you would expect from Square D. These are Plug-in type, 120/240 Volt and have an interrupting capacity of 10K @ 240 Volt

Your Satisfaction is guaranteed. Every product sold by JRL Electric Supply are authentic and never modified. With 32 Years’ experience in Circuit Breakers, you will receive the correct item the first time and 98% of all orders are shipped same day


Wikipedia  https://simple.wikipedia.org/wiki/GFCI

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