Residual-current Operated Circuit Breaker-FTB3LE
Mainly used in distribution lines of AC 50HZ, rated working voltage 230/400V, rated current not more than 63A. For overload & short circuit protection, also can be used for line non-frequent on-off operation and conversion, and It can also be used for conversion of infrequent operation between lines under normal conditions.The breaking ability can reach 12kA.
Model & Spec |
FTB3LE |
|
Technical parameters |
||
Standards |
GB/T16917.1/IEC61009-1 |
|
Certifications |
CCC |
|
Pole number |
1P+N, 2P, 3P, 3P+N, 4P |
|
Rated current(A) |
Type C |
6, 10, 16, 20, 25, 32, 40, 50, 63 |
Type D |
6, 10, 16, 20, 25, 32, 40 |
|
Rated frequency(Hz) |
50 |
|
Residual current characteristics (action type) |
AC, A |
|
Rated residual operating current lΔn (mA) |
30 (Type AC) 30, 50 (Type A) |
|
Actuation time (ms) |
||
Electrical characteristics |
||
Rated operating voltage Ue(V) |
AC230 (1P+N, 2P) AC400 (3P, 3P+N, 4P) |
|
Rated short-circuit breaking capacity lcn(kA) |
10 (40A-63A) 12 (6A-32A) |
|
Rated impulse withstand voltage Uimp(kV) |
4 |
|
Dielectric voltage, power frequency, 1min(kV) |
2 |
|
Rated residual making capacity lΔm (kA) |
4.5 |
|
Impact resistance (waveform 8/20) (kA) |
3 |
|
Isolation function |
Yes |
|
Class of pollution |
2 |
|
Use cat. (overvoltage category) |
ll |
|
Tripping type and characteristics |
C-type curve (5ln~10ln) D-type curve (10ln~20ln) |
|
Mechanical charateristics |
||
Contact status indicator |
Green: open Red: close |
|
Mechanical life (times) |
20000 |
|
Electerical life (times) |
10000 |
|
IP rate |
IP40 (installed inside the distribution box) |
|
Mechanical shock resistance (GB/T2423.5)(m/s²) |
150, continuously 11ms half-wave |
|
Anti-vibration (GB/T2423.10) |
5g-20 cycles, frequency 5…150…5Hz (load 0.8ln) |
|
Anti-humid heat (GB/T2423.4)(℃/RH) |
28 cycles (with 55/95…100) |
|
Reference ambient temperature (℃) |
30 |
|
Operating ambient temperature (℃) |
-5~+40 |
|
Storage temperature (℃) |
-40~+70 |
|
Installation characteristics |
||
Terminal type |
U-shaped terminal, tunnel type |
|
Max. wiring capacity |
Conductor connection 25 mm², busbar inlet thickness 0.8-2 mm |
|
Max. ultimate torque (N.m) |
5.1 (≤25A) 5.6 (>25A) |
|
Tool |
Pozi drive (double cross) |
|
Installation |
Installation on standard DIN rail (35mm) |
|
Inlet method |
Upper or lower |
|
Outline dim. (mm) |
1P+N |
90*54*74.2 |
2P |
90*72*75.7 |
|
3P |
90*100*75.7 |
|
3P+N |
90*112.5*75.7 |
|
4P |
90*130.5*75.7 |
|
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