Residual-current Operated Circuit Breaker-FTB10LE

Vue d'ensemble:

It is mainly used for overload, short circuit protection in AC 50Hz, Rated operating voltage 230V, rated current 40A and below distribution line, and It can also be used for line non-frequent on-off operation and conversion.The breaking ability can reach 4.5kA.

Données techniques

illustration du produit

caractéristique de déclenchement

Extérieur et dimensions

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Model & Spec FTB10LE
Technical parameters
Standards GB/T16917.1/IEC61009-1
Certifications CCC
Pole number 1P + N
Courant nominal (A) 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
Actuation time (ms) <100
Electrical characteristics
Rated operating voltage Ue(V) AC230
Rated short-circuit breaking capacity lcn(kA) 4.5
Rated impulse withstand voltage Uimp(kV) 4
Dielectric voltage, power frequency, 1min(kV) 2
Rated residual making capacity lΔm(kA) 2
Impact resistance(waveform 8/20)(kA) 3
Isolation function Oui
Class of pollution 2
Use cat. (overvoltage category) ll
Tripping type and characteristics C-type curve (5ln~10ln)
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
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 inlet
Outline dim. (mm)


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