18 Years Factory Miniature circuit breaker-FTM8 for Mombasa Importers

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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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





A brief demonstration of the Schweitzer SEL-501 dual universal overcurrent relay, with comparison to electromechanical overcurrent relaying.



Feeder Circuit breaker short-circuit test. This test is done just to one of the circuit breaker which will be installed in all the substations of the train system.

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