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Tengen International Industrial Limited
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Reliability TGM3L RCCB Industrial Residual Current Circuit Breaker AMPS

Reliability TGM3L RCCB Industrial Residual Current Circuit Breaker AMPS

Brand Name : Tengen
Model Number : TGM3L
Certification : GB14048.2
Place of Origin : Zhejiang, China (Mainland)
MOQ : 1
Price : negotiable
Supply Ability : 80000 Pieces per Month
Delivery Time : 8-15 Work Days
Packaging Details : Standard package or according to customer's requirements
Frame Size Rated Current : 125A,250A,400A,630A,800A
Poles : 3P, 3P+N, 4P
Handle Operating : Standard
Rated Working Current In : 16~800A
Frequency : 50HZ
Uimp (kV) : 8kV
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Reliability TGM3L RCCB Industrial Residual Current Circuit Breaker AMPS


TGM3L series circuit breakers with residual current protection (hereinafter referred to as circuit breakers) are one of the new circuit breakers developed and developed by our international advanced technology. It has the characteristics of zero flying arc, high break, box accessories, small compact, green environmental protection and so on.


Basic Data
Frame Size Rated Current125250400630800
Poles3P, 3P+N, 4P3P, 3P+N, 4P3P, 3P+N, 4P3P, 3P+N, 4P3P, 3P+N, 4P
Frequency(Hz)5050505050
Rated Working Voltage Ue (V)400400400400400
Rated Insulation Voltage Ui (V)800800800800800
Rated Impulse Withstand
Voltage Uimp (kV)
88888

Rated Working Current In (A)


16A, 20A, 25A,32A, 40A, 50A,
63A, 80A, 100A,125A
100A, 125A, 140A, 160A, 180A, 200A,
225A, 250A
225A, 250A,
315A, 350A,
400A
400A, 500A,
600A, 630A
400A, 500A,
600A, 630A,
700A, 800A
Breaking Capacity LevelLMHLMHLMHLMHLMH
Rated Limited Short Circuit
Breaking Capacity Icu (kA)
AC400V355065355065506585506585506585
Rated Operating Short Circuit
Breaking Capacity Ics (kA)
AC400V265050265050356565356565356565
Isolating FunctionYes(3P, 4P)Yes(3P, 4P)Yes(3P, 4P)Yes(3P, 4P)Yes(3P, 4P)
Usage TypeA TypeA TypeA TypeA TypeA Type
Flashover Distance (mm)00000
Service EnduranceMechanical4000040000200002000020000
Electrical80008000750075007500
  1. Switch
  2. Flame Chamber (Standard)
  3. Insert Type (Optional)
  4. Flash Barrier (Optional)
  5. Zero Flashover Cover (Standard)
  6. Under-Voltage Trip (Optional)
  7. Shunt Trip (Optional)
  8. Alarming Contact (Optional)
  9. Auxiliary Contact (Optional)
  10. Leakage Alarming Module (Optional)
  11. Front Board Wiring Transition Plate (Optional)
  12. Electric Operating Mechanism (Optional)
  13. Rotating Handle Operating Mechanism (Optional)
  1. Correction Coefficient of Circuit Breaker in Special Situation

6.1 Reducing Capacity of Environment Temperature Change (Table 8)

Table 8

 Temperature+40℃+45℃+50℃+55℃+60℃

  Coefficient

Model

Reducing Capacity
Coefficient
Reducing Capacity
Coefficient
Reducing Capacity
Coefficient
Reducing Capacity
Coefficient
Reducing Capacity
Coefficient
TGM3L-1251In0.95In0.89In0.84In0.76In
TGM3L-2501In0.95In0.90In0.87In0.82In
TGM3L-4001In0.94In0.87In0.81In0.73In
TGM3L-6301In0.93In0.88In0.83In0.76In
TGM3L-8001In0.92In0.86In0.81In0.75In

6.2 Influence of Altitude Change to Circuit Breaker (Table 9)

If the altitude is over 2000m, correction can be made to circuit breaker according to the following table.

Table 9

Altitude2000m3000m4000m5000m
Frequency Withstand Voltage3000V2500V2000V1800V
Correction Coefficient of
Working Current
10.940.880.83
  1. Structure and Working Principle
    1. Structure

TGM3L series circuit breaker is the electronic current operation residual current protector. It is mainly composed of main switch (including current tripper), zero sequence current mutual inductor, electronics magnificent parts, leakage tripper and testing device. All parts are compact in a moulded shell.

  1. Working Principle

When leakage or electric shock happens in the protective circuit, zero sequence current mutual inductor output a signal. When the signal reaches to a definite value, it will trigger the silicon control and operates the leakage tripper to drive the draw bar and disconnect the operation mechanism in a very short time, and disconnect the power to achieve the leakage protection. (See Picture 1 Working Principle)



ModelPolesOutline Dimension (mm)Installation Dimension(mm)
LL1WW1W2HH1H2L2L3W3Φd
TGM3L-125L3164150923018100652713112930Φ4.5
412260
TGM3L-125M3921168230
412260
TGM3L-125H39230
412260
TGM3L-250L31801651073524100682514612635Φ4.5
414270
TGM3L-250M31071168535
414270
TGM3L-250H310735
414270
TGM3L-400L328525715048331501003822319444Φ7
419894
TGM3L-400M315044
419894
TGM3L-400H315044
419894
TGM3L-630L330328021070451551034224324370Φ7
4280140
TGM3L-630M321070
4280140
TGM3L-630H321070
4280140
TGM3L-800L330328021070451551034224324370Φ7
4280140
TGM3L-800M321070
4280140
TGM3L-800H321070
4280140

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