TXC65-63 Circuit Breaker (6KA MCBs)
Miniature Circuit Breaker | MCB
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SCOPE OF APPLICATION
TXC65-63 6KA 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.
6KA 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.
Current Correction Factors Used at Different Altitudes
Curve | Rated current | Current correction index | Example |
≤2000m (2000~3000)m ≥3000m | |||
B, C, D | 1、2、3、4、6 10、15、20、25 32、40、50、63 |
Rated current 20A products inUsage amount after derating at 3000 metersThe constant current is: 0.8x20=16A |
Wire Installation
Current grade (A) | Screw | Rated torque(N.m) | Rated torque(N.m) | Standard torque(N.m) |
10-25 | M5 | 2.5 | 4.5 | 2.0 |
MAIN TECHNICAL PARAMETERS
Rated Current | 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A |
Poles | 1P,2P,3P,4P,1P+N,3P+N |
Rated working voltage | 230V~(1P,1P+N):400V~(2~4P,3P+N) |
Rated short-circuit breaking capacity | 6KA |
Rated Impulse Withstand Voltage(1.2/50)Uimp | 6KA |
Indication Window | Green Window(Disconnected),Red Window(Closed) |
Impulse withstand voltage | 4kV |
Protection Class | IP20 |
Thermo - Magnetic Release Characteristic | B-Curve (3-5In),C-Curve (5-10In),D-Curve (10-14In) |
Electrical Life | 10000 |
Mechanical Life | 20000 |
Reference Temperature For Setting Of Thermal Element | 30℃ |
Ambient Temperature | -5°C~+40°C |
Terminal Connection Type | Phillips Screws |
Adapter Cable | 6-63A 1-25mm² 16-3AWG | 80-125A 8-35mm² 16-2AWG |
Tightening Torque | 3.0N.M |
Attachment | OF auxiliary contact, SD alarm contact, MX+OF shunt release, MV overvoltage release, MN undervoltage release, MV+MN overvoltage release |
Installation method | TH35-7.5 type steel installation rail installation |
Combination With Accessories Auxillary Contact | |
Auxillary Contact | Yes |
Alarm Contact | Yes |
Shunt Release | Yes |
Under Voltage Release | Yes |
Rated short-circuit breaking capacity
Rated current | Tripping curve | ||
B | C | D | |
1-40A | 6KA | 6KA | 6KA |
50A、63A | 6KA | 6KA | 6KA |
Mechanical and electrical life
Category | Times | Operation frequency (times/hour) | Rated current |
Electrical life | 10000 | 240 | 1-32A |
120 | 4-63A | ||
Mechanical life | 20000 | 240 | 1-63A |
Overcurrent protection characteristics (reference temperature 30℃)
No. | Curve | Current | Starting state | DC | Times | Result |
a | B、C、D | 1~63 | Cold | 1.13ln | t≤1h | No-trip |
b | B、C、D | 1~63 | Immediately after the preceding item | 1.45ln | t<1h | Trip |
c | B、C、D | In≤32A | Cold | 2.55ln | 1s<t<60s | Trip |
In≤32A | 1s<t<60s | |||||
d | B | 1~63 | Cold | 3ln | t≤0.1s | No-trip |
5ln | Trip | |||||
C | 5ln | No-trip | ||||
10ln | Trip | |||||
D | 10ln | No-trip | ||||
14ln | Trip |
Power consumption per pole of circuit breaker
Rated current ln(A) | Maximum power consumption per pole (W) |
1-10 | 2 |
16-32 | 3.5 |
40-63 | 5 |
TRIPPING CHARACTERISTIC CURVE -- B C D TYPE
WIRING
It is suitable for wire connection of 25mm² and below. The wiring method is to press the connection withscrews, and the torque is 2.5N·m.
Rated current (A) | Minimum Adapter Copper Wire |
1-6 | 1 |
10 | 1.5 |
16、20 | 2.5 |
25 | 4 |
32 | 6 |
40、50 | 10 |
63 | 16 |
TEMPERATURE COMPENSATION
When the ambient temperature is not a benchmark of 30 degrees , the reference correction factor is as folows
Ambient Temperature | -20℃ | -10℃ | 0℃ | 10℃ | 20℃ | 30℃ | 40℃ | 50℃ | 60℃ |
Current Correction Coefficient | 1.25 | 1.2 | 1.15 | 1.10 | 1.05 | 1.00 | 0.95 | 0.90 | 0.85 |
STRUCTURAL FEATURES
Rated short-circuit breaking capacity is high.
Double wiring function, the outgoing end can be easily connected to standard busbars and soft and hard wires, and the incoming end can be connected to soft and hard wires.
With red and green safety instructions, the safety is higher.
With energy storage mechanism operation, the contacts are quickly closed, which overcomes the adverse effects caused by the speed of manual operation of the handle, and greatly improves the service life of the product.
The terminal has a dovetail with an anti-misconnection function to improve wiring efficiency and reliability.
The shell and other plastic parts are made of high flame retardant, high temperature and impact resistant plastic.
Applicable working conditions and working environment:
Ambient temperature: -35℃~+70℃. When the ambient temperature is not 30°C of the reference, the current value is corrected with reference to the coefficients in Table 7.
Temperature(℃) corrected current value(A) Rated current(A) |
-35 | -30 | -20 | -10 | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 |
1 | 1.3 | 1.26 | 1.23 | 1.19 | 1.15 | 1.11 | 1.05 | 1 | 0.96 | 0.93 | 0.88 | 0.83 |
2 | 2.6 | 2.52 | 2.46 | 2.38 | 2.28 | 2.2 | 2.08 | 2 | 1.92 | 1.86 | 1.76 | 1.66 |
3 | 3.9 | 3.78 | 3.69 | 3.57 | 3.42 | 3.3 | 3.12 | 3 | 2.88 | 2.79 | 2.64 | 2.49 |
4 | 5.2 | 5.04 | 4.92 | 4.76 | 4.56 | 4.4 | 4.16 | 4 | 3.84 | 3.76 | 3.52 | 3.32 |
6 | 7.8 | 7.56 | 7.38 | 7.14 | 6.84 | 6.6 | 6.24 | 6 | 5.76 | 5.64 | 5.28 | 4.98 |
10 | 13.2 | 12.7 | 12.5 | 12 | 11.5 | 11.1 | 10.6 | 10 | 9.6 | 9.3 | 8.9 | 8.4 |
16 | 21.12 | 20.84 | 20 | 19.2 | 18.4 | 17.76 | 16.69 | 16 | 15.36 | 14.88 | 14.24 | 13.44 |
20 | 26.4 | 25.6 | 25 | 24 | 23 | 22.2 | 21.2 | 20 | 19.2 | 18.6 | 17.8 | 16.8 |
25 | 33 | 32 | 31.25 | 30 | 28.75 | 27.75 | 26.5 | 25 | 24 | 23.25 | 22.25 | 21 |
32 | 42.56 | 41.28 | 40 | 38.72 | 37.12 | 35.52 | 33.92 | 32 | 30.72 | 29.76 | 28.16 | 26.88 |
40 | 53.2 | 51.2 | 50 | 48 | 46.4 | 44.8 | 42.4 | 40 | 38.4 | 37.2 | 35.6 | 33.6 |
50 | 67 | 65.5 | 63 | 60.5 | 58 | 56 | 53 | 50 | 48 | 46.5 | 44 | 41.5 |
63 | 83.79 | 81.9 | 80.01 | 76.68 | 73.71 | 70.56 | 66.78 | 63 | 60.48 | 58.9 | 55.4 | 52.29 |
CONNECTION
Rated current (A) | Minimum Adapter Copper Wire |
6 | 1 MM2/17AWG |
10 | 1.5 MM2/16AWG |
16 | 1.5 MM2/16AWG |
25 | 2.5 MM2/13AWG |
32 | 4 MM2/11AWG |
40 | 6 MM2/10A |
50 | 10 MM2/7AWG |
63 | 16MM2/5AWG |
OUTLINE AND INSTALLATION DIMENSIONS
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