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Zhejiang FONOTO Technology Co., Ltd.

Economic Circuit Breaker, Adjustable MCCB, Moulded Case Circuit Breaker manufacturer / supplier in China, offering Most Economic 250A Circuit Breaker, Fnt5n-400 Rating 400A Acb (3poles), Fnt2n-160 3poles of MCCB and so on.

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Supplier Homepage Product MCCB FNT series Most Economic 250A Circuit Breaker

Most Economic 250A Circuit Breaker

FOB Price: US $41 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $41/ Piece
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Production Capacity: 5000PCS/10days
Transport Package: Export Standard Packings, Carton
Payment Terms: L/C, T/T, Western Union, cash

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Basic Info
  • Model NO.: FNT3N-250
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: MCCB
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE, CCC
  • Net Weight: 1.5kgs
  • Specification: IEC60947-2
  • HS Code: 85362000
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Circuit-Breaker Failure Protection
  • Dimension(3p): 105 70 150
  • Trademark: FONOTO
  • Origin: China
Product Description
Product: Moulded Case Circuit Breaker (MCCB)
Model No.:FNT3N-250, FNT3S-250, FNT3H-250
Brand: FONOTO, OEM service
Specification:
Frame Size:  250A
Pole number: 3poles 
Rated current: 63A,80A,100A,125A, 160A,200A,250A
Rated voltage(UE): 690VAC
Frequency: 50-60HZ
Technical data:
ICU-415V: 36KA(FNT3N-250),  50KA(FNT3S-250),   50KA(FNT3H-250)
Installation: Fixed type.
Versions:  F-P
Trip Unit: TMD/TMG, TMA
Protection: Power distribution system protection,  Motor protection
Altitude: 2000m (690VAC)... 5000m(440VAC)
Standard: IEC60947-2
Payment:
1. We usually use T/T. 30% deposit and 70% before shipping.
2. L/C also acceptable2
Warranty:
1. We provide 18 months warranty.


 
FNT series MOULED CASE CIRCUIT BREAKER (MCCB)

 
General
1. FNT series Moulded Case Circuit Breaker(MCCB) is now available as a complete range of moulded case circuit-breakers up to 1600 A.
 
2. All the circuit-breakers, both three-pole and four-pole, are available in the fixed version; the sizes FNT1,FNT2,FNT3, FNT4 and FNT5 in the plug-in version and FNT4, FNT5, FNT6 and FNT7 in the withdrawable one as well.
 
3. With the same frame size, the circuit-breakers in the FNT series MCCB, are available with different breaking capacities and different rated uninterrupted currents.
 
4. Double insulation
FNT series MCCB has double insulation between the live power parts (excluding the terminals) and the front parts of the apparatus where the operator works during normal operation of the installation.
The seat of each electrical accessory is completely segregated from the power circuit, thereby preventing any risk of contact with live parts, and, in particular, the operating mechanism is completely insulated in relation to the powered circuits.
Furthermore, the circuit-breaker has oversized insulation, both between the live internal parts and in the area of the connection terminals.
In fact, the distances exceed those required by the IEC Standards and comply with what is foreseen by the UL 489 Standard.
 
5.Positive operation
The operating lever always indicates the precise position of the moving contacts of the circuit-breaker, thereby guaranteeing safe and reliable signals, in   compliance with the prescriptions of the IEC 60073 and IEC 60417-2 Standard (I = Closed; O = Open; yellow-green line = Open due to protection trip).
The circuit-breaker operating mechanism has free release regardless of the pressure on the lever and the speed of the operation. Protection tripping automatically opens the moving contacts: to close them again, the operating mechanism must be reset by pushing the operating lever from the intermediate position into the lowest open position.

Most Economic 250A Circuit Breaker
Most Economic 250A Circuit Breaker

Most Economic 250A Circuit Breaker
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