PriceList for Miniature Circuit Breaker FTB1 for Anguilla Importers

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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Product illustration:

20170427170914

 

Accessories
 Auxiliary contact Auxiliary contact and alarm contact  Shunt release Shunt release and auxiliary contact  Under voltage release  Over voltage release  Busbar mounting base  Motor-driven operation
OF OF+SD MX MX+OF MQ MG MP CD

 

Product Features

Under normal condition, the working principle of main thermostic bimetal in FTB1 SMCB is the same to the usual circuit breakers, it is used for overload tripping. when there is a short-circuit on a branch circuit breaker, the magnet core in the main current path would tilt the moving contact away from the fixed contact to break the circuit,thus producing the electric arc, and limiting the short-circuit current effectively.

In the maintime,the short-circuit current flow to the supplementary current path, a selective resistor and a selective bimetal are connected in series of the supplementary curret path, limiting the short-circuit current to a few hundred amps.

When the downstream circuit-breaker has tripped because of a short-circuit, the contact tips reclose automatically through a simple spring-type system,ensuring other unaffected branch circuits continue in operation.If a short-circuit occur between the FTB1 and the downstream circuit-breaker, another bimetal release enables short-time delayed tripping,ensuring the contact tips remain in the open position enabling isolating.

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Scope of use

It is primarily used in critical installations,for instance, office buiding, laboratory, theatre, museum, hotel, shopping mall, telecommunication, coal mine and shipping, chemical industry and metallurgy, industrial plants,medical and health care, bank and securities exchange,airport, underground express way, military establishment and similar loads that requires non-interrupted and reliable power supply.

Technical Data

Model FTB1-100
Number of poles  ada
Rated frequency: AC 50(60)Hz
Rated voltage (V) AC 230/400
Rated current (A) 20, 25, 32, 40, 50, 63,80,100
Breaking capacity  Icn/Ics(KA) LH 15/7.525/12.5
Rated impulse withstand voltage (kV) 6
Tripping characteristic E
Electric arc distance(mm) ≤35
Mechanical life 10,000
Insulation function yes
Installation  
Pollution degree
Ambient temperature (°C) -5°C ~ +40°C
Altitude (m) Not higher than 2000m
Installation Mounted on DIN rail, busbar adaptor or by screw terminal
Connection capacity: Connection to cables,busbars or terminals
Weight (g) 313      617       932       1241

 

 Trippping behavior

 

Test Tripping characteristic Conventional non-tripping current Conventional tripping current Initial status Tripping time
a b E E 1.05In 1.2In Cold statusRight after test 1 ≧2h﹤2h
Test Tripping characteristic Delayed tripping current short-time delayed tripping current Initial status Tripping time
c E 5In   Cold status 0.05s<t<5s(In≦32A)   0.05s<t<10s(In>32A)
d E   6.25In Cold status 0.01s﹤t﹤0.3s

Coordination table

The FTB1 series operates selectively with respect to the combination with MCBs

MCB(B,C characteristic) FTB1(Characteristic E)
In A 20 25 32 40 50 63 80 100
10 T T T T T T T T
16 T T T T T T T
20 T T T T T T
25 T T T T T
32 T T T T
40 T T T
50 T T
63 T

Note: T represents total selectivity

Applications

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Tripping characteristic

adfa (3)

Exterior and dimensions

adfa (4)





This is a simple, BUT DANGEROUS, High Voltage Generator. It uses three basic components:

1- Light Dimmer Switch (Clips the A/C sinewave to something useable by a coil)
2- Automotive Ignition coil (Generates the High Voltage)
3- A 5mfd `run capacitor’. (REQUIRED! Goes in series to reduce the line current. Without it you will blow your circuit breaker as the coil will appear as a dead short to your power). IMPORTANT: The capacitors will hold a powerful charge even with the power disconnected. I use a 10Meg Ohm bleeder resistor and a small neon indicator lamp (both in parallel across the cap).

All three items are hooked in series

In the above project, I used two coils and two `run capacitors’. The coils are out of phase with one another (hot wire hooked up to the negative on one and the positive on the other) to increase the combined output.

Always use a fuse (5 amp for this project). The small flickering light bulb is there for safety. It is lit when there is power to the project, even if the light dimmer is off. The `run caps’ are available from an electric motor store or through ebay.

IMPORTANT NOTE: I have since modified this by remounting the two ignition coils horizontally (now laying on their sides), vs vertically (standing straight up as shown in this video). This change should eliminate any internal arcing inside the coils due to the small amount of air inside of them exposing the primary terminals to the center secondary. When placed on their sides, the internal oil should cover and insulate these internal items.

Be sure to see my latest video of my `Ignition Coil / Light Dimmer High Voltage Generator – Variable Output Design’ I have a schematic for that one if interested.. send request to lasvegas_2 at hotmail dot com



SRL.NO : A26-3555
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Email: info@gumatech.com
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Contact : Mr G V Seetharam
221,Madhav Darshan, Waghawadi Road,
Bhavnagar – 364002, Gujarat, INDIA
Mobile:+91 (0) 9825205275

GUMATECH MARINE SERVICES
Stockists and Reconditioners of ships’ spares

OUR PROFILE :
Leading stockists of ships’ spares. We are a team of marine engineers dealing in ships’ spares which we source from ships coming here for demolition. We are better placed in identifying any type of machinery in this region.

we supply foll.MAIN ENGINE ,AIR COMPRESSOR , AUXILIARY ENGINE , FRESH WATER GENERATOR, HYDRAULICS and OIL SEPARATORS / PURIFIERS.

We have Reputed European & Asian shipping customers .

Our workshops are fully equipped with all latest tools to repair / recondition all type of machines & with qualified technical Staff.

It generally takes 7 to 10 days to recondition any machine after confirmation.

Workshops : Mamsa , Kandla – Bhavnagar & For Purifiers in Bombay.

Our Products are mainly used on SHIPS , OIL REFINERIES for RECYCLING /REFINING PROCESS & POWER PLANTS.

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