Cheapest Factory Moulded Case Circuit Breaker-FTM2 to Nepal Manufacturer

Overview:



Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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FTM2

Product Features

The FTM2 series of moulded-case circuit-breakers can be equipped with:

- thermomagnetic trip units, for direct and alternating current network protection, using the physical properties of a bimetal and an electromagnet to detect the overloads and short-circuits;

- electronic trip units, for alternating current network protection. Releases with microprocessor technology obtain protection functions that make the operations extremely reliable and accurate. The power required for operating them correctly is supplied straight from the current sensors of the releases. This ensures that they trip even in single-phase conditions and on a levelwith the minimum setting.

- Small size,compact design

- With the same frame size, the circuit breakers are available wi th different breaking capacities and different rated currents.

- Widely adjustable electronic trip units

- Frames made of rigid materials of recyclable enginnering plastics,

- Modular and easy-to-fit internal accessories

- The internal accessories are extremely easy to install. No tools are required because they are simply snapped into place in the accessories compartments to the left and right of the handle.

 

Technical Data

Frame size 160aasd 250dag

Model

FTM2-160C FTM2(Z)-160L FTM2(Z)-160H FTM2(Z)-250L FTM2(Z)-250H FTM2-400C
Rated current (A)

FTM2

20,25,32,40,50,63,80,100,125,160 160180200225250

FTM2Z

63(25-63), 160(64-160) 250(100-250)
   

Number of poles

3-Poles,4-Poles

Rated voltage (V) AC

400

Rated insulationvoltage(V)

690

Rated impulse withstand voltage Uimp(KV)

6

Rated frequency

50/60Hz

Ultimate short-circuit capacity Icu (KA)

40

50

70

40

50

70

Service short-circuit capacity Ics (KA)

28

50

50

28

50

50

Electrical life:

5,000

Mechanical life:

20,000

Arcing distance(mm)

Zero

Ambient temperature (°C)

-5°C ~ +40°C

Altitude (m)

≦2000m

Atomospheric conditions

When the ambient air temperature is +40℃, the relative humidity of the air shall not be higher than 50%; a higher relative humidity is allowed at a lower temperature; for the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature aeraged in that month +25℃,and the condensation produced due to temperature change shall be taken into consideration,

pollution degree

Connection

Front connection plate,rear connection plate,plug-in rear connection plate

Dimensions

adad

L

155

165

W

  3-Pole:90 4-Pole:120   3-Pole:105 4-Pole:140

H1

69

70

H

100

105

Frame size 400adaff 800asaff

Model

FTM2-400C FTM2(Z)-400L

FTM2(Z)-400H

FTM2-800C FTM2(Z)-800L FTM2(Z)-800H
Rated current (A)

FTM2

20,25,32,40,50,63,80,100,125,169 160180200225250

FTM2Z

63(25-63), 160(64-160) 250(100-250)
Number of poles

3-Poles,4-Poles

Rated voltage (V) AC

400

Rated insulationvoltage(V)

690

Rated impulse withstand voltage Uimp(KV)

6

Rated frequency

50/60Hz

Ultimate short-circuit capacity Icu (KA)

40

50

70

40

50

70

Service short-circuit capacity Ics (KA)

28

50

50

28

50

50

Electrical life:

3,500

Mechanical life:

13,000

Arcing distance(mm)

Zero

Ambient temperature (°C)

-5°C ~ +40°C

Altitude (m)

≦2000m

Atomospheric conditions When the ambient air temperature is +40℃, the relative humidity of the air shall not be higher than 50%; a higher relative humidity is allowed at a lower temperature; for the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature aeraged in that month +25℃,and the condensation produced due to temperature change shall be taken into consideration,
Pollution degree

Connection Front connection plate,rear connection plate,plug-in rear connection plate
Dimensionsasdff

L

257

275

W

3-Pole:140 4-Pole:184 3-Pole:210 4-Pole:280

H1

95

95

H

153

153

Frame size 160ssaf 250ssafg

Model

FTM2L(Z)-160L

FTM2L(Z)-160H

FTM2L(Z)-250L FTM2L(Z)-250H
Rated current (A)

FTM2L

20,25,32,40,50,63,80,100,125,160 160,180,200,225,250

FTM2LZ

63(25~63 adjustable), 160(64~160 adjustable) 250(100~250 adjustable)
Number of poles

3-Poles,4-Poles

Rated insulation voltage(V)

690

Rated impulse withstand voltage Uimp(KV)

6

Rated frequency

50/60Hz

Ultimate short-circuit capacity Icu (KA)

50

70

50

70

Service short-circuit capacity Ics (KA)

50

50

50

50

Electrical life:

5,000

Mechanical life:

20,000

Arcing distance(mm)

Zero

Ambient temperature (°C)

-5°C ~ +40°C

Altitude (m)

≦2000m

Atomospheric conditions When the ambient air temperature is +40℃, the relative humidity of the air shall not be higher than 50%; a higher relative humidity is allowed at a lower temperature; for the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature aeraged in that month

+25℃,and the condensation produced due to temperature change shall be taken into consideration,

Pollution degree

Connection Front connection plate,rear connection plate,plug-in rear connection plate
Dimensionsssafgh

L

155

165

W

3-Pole:90 4-Pole:120 3-Pole:105 4-Pole:140

H1

68.5

69.5

H

100

105

Frame size 400adaff 800asaff

Model

FTM2L(Z)-400L

FTM2L(Z)-400H

FTM2L(Z)-800L FTM2L(Z)-800H
Rated current (A) FTM2L 250,315,350,400 160,180,200,225,250
FTM2LZ 400(160~400 adjustable) 800(320~800 adjustable)
Number of poles

3-Poles,4-Poles

Rated insulation voltage(V)

690

Rated impulse withstand voltage Uimp(KV)

6

Rated frequency

50/60Hz

Ultimate short-circuit capacity Icu (KA)

50

70

50

70

Service short-circuit capacity Ics (KA)

50

50

50

50

Electrical life:

3,500

Mechanical life:

13,000

Arcing distance(mm)

Zero

Ambient temperature (°C)

-5°C ~ +40°C

Altitude (m)

≦2000m

Atomospheric conditions

When the ambient air temperature is +40℃, the relative humidity of the air shall not be higher than 50%; a higher relative humidity is allowed at a lower temperature; for the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature aeraged in that month

+25℃,and the condensation produced due to temperature change shall be taken into consideration,

Pollution degree

Connection Front connection plate,rear connection plate,plug-in rear connection plate
Dimensionsasdff

L

257

275

W

3-Pole:140 4-Pole:184 3-Pole:140 4-Pole:184

H1

95.0

97.5

H

153

153

- Characteristic of thermo protection operation of thermo-magnetic release for power distribution

Test current I/In Conventional time
Initial status
Conventional non-tripping current 1.05 ≧1h(In≦63A) ≧2h(In﹥63A)
Cold status
Conventional tripping current 1.3 ﹤1h(In≦63A) ﹤2h(In﹥63A)
Right after test 1

- Characteristic of thermo protection operation of thermo-magnetic release for motor protection

Test current I/In Conventional time
Initial status

In≦100A

100A﹤T≦400A
Conventional non-tripping current

1

≧2h

Cold status
Conventional tripping current

1.2

≦2h

Right after test 1

1.5

≦2min

≦4min

7.2

4s≦T≦10s

6s≦T≦20s

 

Parameters Trip threshold Liquid crystal display Setting value
Long time-delay overload protection
Tripping current(A) 0.4,0.45,0.5,0.55,0.6,0.7,0.8,0.9,1.0 x In,OFF 0.4~1.0 x In step 0.05xIn 1.0In
Tripping time(s) 8,12,16,24,32,48,64,96,128,256
16~256s step 4s

16s

Thermal memory protection

ON,OFF

ON

Short time-delay short circuit proection
Tripping current(A) 2,3,4,5,6,7,8,9,10 x Ir1,OFF
(2~10)Ir1,OFF step 0.05Ir1

6Ir1

Tripping time(s) 0.05,0.1,0.15,0.2,0.3
(0.05~0.3)s step 0.05s
0.3s
Inverse time-delay Long inverse time-delay+constant time-delay (I2T:ON),constant time-delay(I2T:OFF) constant trip time
Thermal memory protection ON,OFF

ON

 

Instantaneous short-circuit protection
Tripping current(A) 2,3,4,5,6,7,8,9,10,12 x Ir1, OFF (2~12)Ir1,OFF

10Ir1

Ground-fault protection
Tripping current(A) (0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0) Ir1,OFF (0.2~1.0)Ir1, OFF

1.0Ir1

Non time-delayed residual currentprotection I△n 2I△n 5I△n 101△n
Max. breaking time(s)

0.3

0.15 0.04

0.04

 

Technical data of intelligent trip unit

xxLED function indication:

- LED on with steady green light indicating that the trip unit is supplied correctly; LED with flashing red light, indicates fault diagnosis

- LED with flashing yellow light, indicates pre-alarm for current exceeding 0.9xI;

- LED with steady red light,indicates current exceeding 1.2xIn for

Front panel indication

xxa

  1. Electronic tripping test interface
  2. adjustable setting of long time-delay current
  3. adjustable setting of long time-delay time
  4. adjustable setting of short time-delay trip current
  5. adjustable setting of short time-delay time
  6. adjustable setting of instantaneous trip current
  7. adjustable setting of earth fault trip current

 Operating keys for setting tripping parameters

xxb

  1.     ENTER button to confirm data or change pages
  2.     ESC Button to exit submenus or cancel operations   
  3.     scroll up(Cursor UP button)
  4.     scroll down(Cursor DOWN button)     Electronic trip unit test interface

 Telecommunication trip unit

The main protection function: long time-delay overload protection, short time-delay short circuit protection, instantaneous short circuit protection, residual current protection, ground-fault protection.

telecommunication interface:

- The trip unit allows the circuit breaker to be integrated in a communication network based on the Modbus protocal,the devices provide standard RS485 interface as the physical means for tada transmission. It allows a wide range of information to acquired and transmitted remotely.

- programming the electronic trip unit in remote mode;

- to know the state of the circuit breaker(open/closed/tripped) in remote mode.

 Tripping curve

ssxx ssxx1

 





On this episode we’re talking about some common problems you might have with your hot tub and how to troubleshoot them.

There are 5 common problems that can take place with your hot tub. If you experience one of these issues, you might be able to troubleshoot it yourself. Otherwise, I highly recommend hiring a professional if you’re unsure or you have to deal with electrical components.

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If your breaker keeps tripping, it could be your heater element, pump, blower or ozonator. Find the problem by unplugging each component one at a time and turn the breaker on to see if it trips.

If you’ve unplugged all the components and the breaker still trips, it’s probably the heater element.

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Most of the time, hot tub issues are caused by the water chemistry or the filters. So by maintaining a good water balance and keeping your filters clean, you’ll be able to avoid and even fix a lot of these common hot tub issues.

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