High Performance Miniature circuit breaker-FTM8 for Botswana Manufacturer

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Technical Data

Model
FTM8 Miniature circuit-breaker
Number of poles
IP 2P 3P 4P
Rated frequency:
AC 50/60Hz
Rated voltage (V) AC
230/400
 Rated current (A)
C
6, 10, 16, 20, 25, 32, 40, 50, 63
D
6, 10, 16, 20, 25, 32, 40, 50, 63
Rated breaking capacity(KA)
4.5(6~40A),  6(50~63A)
Mechanical & electrical life:
10,000 operations
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)
-5C ~ +40C
Altitude (m)
≤2000m
Relative air humidity
no more than 95%
pollution degree
installation condition
Used in place without obvious shock and vibration
Weight (g)
106
212
308
426

Tripping Characteristic

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Exterior And Dimensions

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Number of poles
b
e
1P
72
66
2P    3P     4P
75
69

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





How do they work?

When the stock price breaches a stipulated price band as decided by stock exchanges, trading in that particular stock is suspended.

For example, if you have a share price of Rs 100, and there is a circuit breaker of 5%, it will stop trading if the share price goes above Rs 105. Similarly. if the stock drops below Rs 95, the lower end circuit filter is applied and trading is suspended.

Circuits limit for stock exchanges

There are three circuit filters for indices – 10%, 15%, and 20%. These filters are applied to Sensex or Nifty whichever crosses the limit first. The trigger also depends on the time at which it occurs.

10% drift on either side
If the drift is before 1 pm – 1 hour halt
If the drift is after 1 but before 2:30 pm – half an hour halt
If the drift is after 2.30 pm – no halt

15% drift on either side
If the drift is before 1 pm – 2 hours halt
If the drift is after 1 pm but before 2 pm- 1 hour halt
If the drift is after 2 pm – no further halt

20% drift in either direction
In case of a 20% movement in either index, the trading will halt for the remainder of the day.

The circuit filters are reduced in case of illiquid scrips. The circuit filters are reduced to 10% or 5% or 2% bsed on the criteria decided by the stock exchanges.

No circuit filters are applicable on scrips in which derivative products are available and scrips which are liquid and included in indices on which derivative products are available.

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