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AC400V 50Hz Automatic Power Transfer Switch 1250amp

Categories Automatic Power Transfer Switch
Brand Name: FEEO
Model Number: FTSM-250
Certification: CE/CCC/RoHS
Place of Origin: ZHEJIANG CHINA
MOQ: 1 Pices
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram, PayPal
Supply Ability: 2000PIECES PER DAY
Delivery Time: Shipped in 30 days after payment
Packaging Details: 8pcs per carton
Pole: 3 phase
Rated voltage: 400volt
Type: Power Transfer Switch
Max. current: 1250amp
Standard: CE
Rated current: 16amp-1250amp
Operation type: Auto&Manual
Warranty: two years
Product name: Dual Power Automatic Transfer Switch
Name: automatic transfer switch
Poles: 3 pole,4 pole
Rated frequency: 50 Hz
electrical level: CB Class
color: grey
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AC400V 50Hz Automatic Power Transfer Switch 1250amp

with GB/T 14048.11 standard China automatic transfer switch 3 pole 4 pole AC 400V 50Hz​


The FTSM series automatic transfer switch is mainly composed of a power conversion actuator, a circuit breaker and a controller. The dual power switch has the working status of automatic, manual, power indicator, normal switch indicator, and ready switch indicator. The features of this series of automatic transfer switches are small size, long life, low power consumption, light weight, stable work, easy to use, etc.


♦ Technical Data

ModelFTSM-63FTSM-125FTSM-250FTSM-400FTSM-630
StandardGB/T 14048.11
Electrical Characteristic Parameter
Shell Frame Current63A125A250A400A630A
Rated Current In(A)

10,16,20,25,

32,40,50,63

25,32,40,50,

63,80,100,125

100,125,140,160,

180,200,225,250

225,250,315,350

,400

400,500,630
Rated Operating Voltage UeAC 400V 50Hz
Rated Insulation Voltage UiAC 500VAC 800VAC 800VAC 800VAC 800V
Rated Impulse Withstand Voltage Uimp6kV8kV8kV8kV8kV
Poles3P , 4P
Life (times)60006000600040003000
Use CategoryAC-33iB
Electrical LevelCB Class
Protection LevelIP30
Control Characteristic Parameter
Rated Control Supply Voltage UsAC 230V 50Hz
Switching Time≤3s≤3s≤3s≤4s≤4s


♦ Installation

When installing wiring, normal power N should be access to normal power supply circuit breaker QN, ready
power R should be access to ready power supply circuit breaker QR. When QN and QR is 4 poles circuit
breaker, wiring mode according to the wiring diagram, which QN and QR's 1, 3, 5 are three-phase ( A, B, C )
into line terminals, 2, 4, 6 are three-phase outgoing line terminals, 7 is zero line (N) into line terminal, 8 is
zero line outgoing line terminal. If the use of 3 poles circuit breaker, the normal power N's zero line (NN) and
ready power R's zero line (NR) must be respectively received on 3 poles special connection zero line terminal.
Specific see wiring diagram. Dual power transfer switch automatic controller's work power supply circuit breaker
QN and QR's into line terminal A and zero line N, in the automatic power switch installation, wiring process,
Do not let the local controller to forget to connect the signal line, touch off or short circuit and so on,
otherwise can not work.




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