Air Circuit Breaker-FTW1

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Applicable to the distribution network of AC 50Hz(60Hz), rated working voltage 380V(400v),600V (690v) and rated current 630-6300A, used to distribute power and protect the line and power supply equipment from overload, under voltage, short circuit, single phase grounding and other fault. Customizable PV system, special type of wind power system.


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Model & Spec FTW1-2000 FTW1-3200 FTW1-4000 FTW1-6300
Frame size current(A) 2000 3200 4000 6300
Electrical property
Pole number 3P/4P 3P 4P 3P
Operating frequency(Hz) 50
Installation mode Drawer type/fixed type Drawer type
Rated operating voltage Ue(V) AC400/500/690 AC400/690 AC400
Rated current +40℃ In(A) 630, 800, 1000 1250, 1600, 2000 1600, 2000, 2500, 2900, 3200 3600, 4000 4000 4000, 5000 6300
Rated insulation voltage Ui(V) AC1000
Rated impulse withstand voltage Uimp(kV) 12
N-pole rated current IN(A) 100% 50%
Breaking capacity
Rated ultimate short-circuit breaking capacity lcu(kA) 80/65/50 100/65 100/65 100 120
Rated service short-circuit breaking capacity lcs(kA) 50/50/50 65/65 65/65 65 100
Rated short-time withstand current lcw(kA) 1s 50/50/40 65/65 65/65 65 100
Full-breaking time(ms) 11~22
Closing time(ms) <70
Flashover distance(mm) 0
Service life (times) Mechanical Maintenance free 10000 10000 10000 5000 4000
Maintenance required 20000 20000 20000 10000 8000
Electrical AC400V/690V 10000/5000 8000/4000 6000/3000 3000/1500 1500 500
Isolation function
Protection
Intelligent controller
N-pole protection capacity(4-pole and 3P+N only)
Connection and installation
Use cat. B
Class of pollution 3
IP rate IP30
Installation cat. Circuit breaker(include primary side coil) IV
Auxiliary circuit(exclude primary side coil) III
Connection mode Horizontal
Inlet method Upper/lower
Installation mode Fixed type Drawer type Fixed type Drawer type Drawer type
Outline dim.(mm) Width 362/457 375/470 422/537 435/550 550 788 813 928
Height 402 433 402 433 433 433 433 433
Depth 323 421 368 468 494 494 494 494
Weight(kg) 3P 56 86 70 110 145 185 220
4P 65 98 82 135 165

FTW1-4

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