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Residual-current Operated Circuit Breaker-FTB3LE

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Residual-current Operated Circuit Breaker-FTB3LE photo-2
US$ 0.5 - 999 MOQ: 100 Pieces
Key Specifications
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Brand Name:
Foretech
Place of Origin:
China
Model Number:
FTB3LE
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
30 days
Brand Name Foretech
Place of Origin China
Model Number FTB3LE
Type Residual Current
Poles Number 4

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)
(L*W*H)

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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Product Tags: circuit breaker , residual-current operated

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Business Type
Manufacturer
Year Established
2014
Annual Export Value
US$5 Million - US$10 Million
Port of Shipment
Ningbo

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