factory wholesale good quality Miniature Circuit Breaker FTB1 for Namibia Manufacturer

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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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

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Exterior and dimensions

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SOLITRON RN Series Features:

• AC Solid State Contactor, 1- and 2 poles
• Zero switching (RN1A) for heating and motor applications
• Instant-on switching (RN1B)
• Rated operational current: 1-pole: 30 A, 50 A and 63 A, 2-pole: 2 x 15 A and 2 x 25 A
• Rated operational voltage 230 VAC, 400/480 VAC
• Transient overvoltage protection built-in
• LED-indication
• IP 20 protection
• DIN-rail mountable

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Galco is a Factory Authorized Stocking Distributor for Over 150 Brands of Industrial Electrical & Electronic Automation, Controls and Component Products; On-Site and Send-In Repair Services for Industrial Control & Automation Products for Over 2,000 Brands; Engineered Systems Integration, Retrofits & Upgrades for Variable Speed Drives, CNC, PLC Systems, Dynamometers & Test Stand Applications. Visit us online at http:// www.galco.com or call us at 800-337-1720.

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With respect to the usage, installation or assembly of any products described in this video, Galco Industrial Electronics, Inc., a Michigan corporation, encourages you to follow the requirements and/or guidelines of: i) the Occupational Safety and Health Act of 1970, Public Law 91-596, as amended, and all laws, rules and regulations implemented in relation thereto; ii) the National Electric Code®; and iii) NFPA 70E®. Any installation, assembly or work described in this video should be performed by a qualified licensed electrician.
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