Best quality and factory Miniature circuit breaker-FTB3 for Bangkok Factories

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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Product illustration:

ftb3

Product Features

- A breaking capacity of 12kA up to 32A and 10kA between 40 to 63A.

- Current-limiting scheme: in the event of a short circuit, are able to limit the let-through current to 60%-70% of the rated current.

- The trip mechanism ensures perfect closure every time,thereby considerably improving the performance of these devices and extending their average lifetime.

-The arc extinguishing system: allows the short-circuit currents of very high value to be interrupted extremely rapidly, the remarkable opening speed of contacts opening and the structure of the arcing chamber contribute to extinguishing the arc in the shortest possible time, ensuring reliable protection of short-circuit.

- The internal contact position allows an exact information of the circuit-breaker status: “green”,open contacts;“red”,closed contacts,independently of the toggle position.

- Sealing/locking sealable with 1 mm wire, to prevent unwanted tripping.

- The supply lines of the protected circuit can be connected to either the upper or lower terminals of the circuit-breakers(reversibility of connections).

- The double terminal of these circuit-breakers enables simultaneous connection of cables and busbars.

Technical Data

213123

Breaking capacity(KA) 40-63A 10
6-32A 12
Mechanical and electrical life: 20,000 operation
Protection rating IP20
Installation On symmetrical DIN rail 35mm /Panel Mounting
Connection capacity: Cross-section of conductors up to 25mm², Cross-section of busbar from 0.8-2mm², reversibility of connections
Ambient temperature (°C) -5°C ~ +40°C
Altitude (m) not higher than 2000m
Relative air humidity no more than 95%
Pollution degree
Weight (g) 116 234 352 472

Tripping characteristic

112121

Exterior and dimensions

11111

Unit(mm)

 

Number of poles

1P 2P 3P 4P
a 80±0.8
b 74.2±0.8 75.7±0.8
c 17.8±0.5 35.6±0.8 53.4±0.8 71.2±0.8
d 44±0.8
e 68.7±0.8 70.2±0.8
f 45±0.8
g 35.5±0.8

Wiring

Please refer to below table for the connection of wires with a cross section area

Rated current In(A) Nominal cross section area of copper wire(mm²)
1~6 1
10 1.5
16,20 2.5
25 4
32 6
40,50 10
63 16




Quick look at how a three pole contactor and overloads are wired to run on single phase.

I linked the control circuit off the incoming live as i only had a live and neutral feed to the motor but its more common for it to be fed from a low power control circuit.



Cable Finder Fluke 2042Most of the professional electricians very often have to track a cable or a wiring system. Quite often this is a very tiresome and time-consuming job. Besides, very often it is also necessary to determine what protective devices are connected to certain circuits, and to track metal cable conduits, heating lines, or underground cables. Fluke 2042 is a device which helps to cope with these tasks. The kit of route finder Fluke 2042 consists of a generator and a receiver. The generator supplies alternating voltage to the cable. It generates electro-magnetic field around the cable. The receiver has a reel. If it is located near the conductor to which the generator is connected then the lines of magnetic field will be going through the reel in the receiver. This phenomenon is also known as the passing of magnetic field through the circuit. A small voltage generated by the reel is measured by the receiver and is shown on the display. One of the prominent features of Fluke-2042 is the encoded digital signal of the transmitting unit. This ensures a reliable reception of the transmission signal. In this way we avoid false responses which can be caused by the fields generated by interference sources. The kit is also supplied with various appliances and accessories necessary for conducting works. It also has a hard safety plastic case.

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