Product Details

TXC65-63 miniature circuit breaker

Brand Name TAIXI
Place of Origin China
Model Number TXC65-63
Poles Number Other, 1P~4P

Product Features

Scope of Application

TXC65-63 circuit breaker (also called 6KA Household MCB, similar to CHINT NB1-63) is used for the circuit of AC 50Hz, rated voltage of 110V/230/400V, rated current of 1A, 2A, 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 60A, 63A to protect overload and short-circuit, as well as use for normal circumstances of the infrequent circuit conversion, also be used as the isolating switch for cut-off circuit to protect circuit and equipment.
TXC65-63 circuit breaker (6KA Household MCB) are used for industrial, commercial, high-rise and civilian residential and other places.
Meet the standards: GB10963.1, IEC60898-1.

Model and meaning

Technical parameter

■ Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
■ Rated working voltage: 110V, 230V ~ (1P, 1P + N), 400V ~ (2 ~ 4P, 3P + N)
■ Isolation
  □ Mechanical contact indication window, realistic cut-off instructions
  □ The window is green and the contact is in the open state. The window is red and the contact is in the closed state
■ Impulse withstand voltage: 4kV
■ Max withstand current: 6kA Circuit Breaker
■ Mechanical life: 20,000 times
■ Electrical life: 10000 times
■ Ambient temperature
  □ Use ambient temperature: -5℃~+40℃
■ Wiring
  □ Tunnel type terminal block
  □ Terminal area: 1 ~ 63A, for the wire of 25mm ² and below
■ Accessories
  □ OF auxiliary contact, SD alarm contact, MX + OF shunt release, MV over-voltage release, MN undervoltage release, MV + MN over-voltage release
■ Tripping characteristics
  □ Type B curve
Protect load of smaller short-circuit current (such as power supply, long cable, electric motorized vehicles, etc.)
Tripping characteristics: instantaneous trip range (3-5) In
  □ Type C curve
Protect conventional load and distribution cables (such as home lighting boxes, power distribution boxes, etc.)
Tripping characteristics: instantaneous trip range (5-10) In
  □ Type D curve
Protect impact load with the large starting current (such as motors, power counters, transformers, etc.)
Tripping characteristics: instantaneous trip range (10-14) In
■ Installation method:
  □ Mounted on the TH35-7.5 steel rail.

Circuit breaker power consumption per pole

Rated current In(A)Maximum power consumption per pole(W)
1~102
16~323.5
40~635

Rated short - circuit breaking capacity

Rated current(A)Tripping curve
BCD
1~406KA6KA6KA
50,636KA6KA6KA

Mechanical Electrical Life

CategoryTimeOperating frequency(time/h)Rated current A
Electrical life100002401~32
12040~63
Mechanical life200002401~63

Over-current protection characteristics (reference temperature 30 ℃)

No.Trip typeRated current(A)Initial stateDCSet timeProsrective resultRemark
aB, C, D1~63Cold1.13Int≤1hNon tripping
bB, C, D1~63After the last1.45Int<1hTrippingThe current rise steadily to a fixed value within 5S
cB, C, DIn≤32ACold2.55In1s<t<60sTripping
In>32A1s<t<120s
dB1~63Cold3Int≤0.1sNon tripping
5Int<0.1sTripping
C5Int≤0.1sNon tripping
10Int<0.1sTripping
D10Int≤0.1sNon tripping
14Int<0.1sTripping

Tripping characteristic curve

Temperature(℃)
Corrected current value(A)
Rated current(A)
-35-30-20-10010203040506070
11.31.261.231.191.151.111.0110.960.930.880.83
22.62.522.462.382.282.22.0821.921.861.761.66
33.93.783.693.573.423.33.1232.882.792.642.49
45.25.044.924.764.564.44.1643.843.763.523.32
67.87.567.387.146.846.66.2465.765.645.284.98
1013.212.712.51211.511.110.6109.69.38.98.4
1621.1220.482019.218.417.7616.961615.3614.8814.2413.44
2026.425.625242322.221.22019.218.617.816.8
25333231.253028.7527.7526.5252423.2522.2521
3242.5641.284038.7237.1235.5233.923230.7229.7628.1626.88
4053.251.2504846.444.842.44038.437.235.633.6
506765.56360.5585653504846.54441.5
6383.7981.980.0176.8673.7170.5666.786360.4858.955.4452.29

Current correction factor used at different altitudes

Trip typeRated current(A)Current correction factorExample
≤2000m(2000~3000)m≥3000m
B, C, D1, 2, 3, 4, 6, 10, 15, 20, 25, 32, 40, 50, 6310.90.8Rated current used after the
product of rated current of
63A derates capacity in
2500m:0.9x63=56.7A

Wiring installation

Current grade(A)ScrewRated torque(N·m)Ultimate torque(N·m)Standard torque(N·m)
1~63M52.54.52.0

Wiring:25mm2 and below wire connection, wiring method is screws to tighten the wiring, the torque is 2.5N · m.

Rated current In(A)Copper conductor nominal cross-sectional area(mm²)
1~61
101.5
16、202.5
254
326
40、5010
6316
Structural features

High rated short circuit breaking capacity: TXC65 is 6KA Miniature Circuit Breaker.
Dual wiring function, the outlet terminal can be easily connected with the standard bus and hardwire, the incoming terminal can be connected with the hard line.
With red and green safety instructions, higher security.
The mechanism has a storage operation, fast contact closure, to overcome the adverse effects of manual handle speed, greatly improving product life.
The terminals have a forked tail with a function of preventing erroneous wiring, which improves wiring efficiency and reliability.
TXC65 6KA Household circuit breakers can use a variety of modular accessories, such as S9, V9, XF9, XF9J.
Box and other plastic parts with high flame retardant, high temperature, impact resistance made of plastic.
Applicable working conditions and working environment: Ambient temperature: -35 ℃ ~ +70 ℃. When the ambient temperature is not a reference value of 30 ° C, refer to Table 7 for the modified coefficient current value.

Outline and installation dimensions

Relevant Keywords: 6ka Miniature Circuit Breaker, 6KA MCB, Household Circuit Breaker, CHINT NB1-63,

/p2/6ka-household-circuit-breaker-chint-nb1-63-mcb

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