ETB9LAF-40 Series Arc Fault Detection Device

Model And Meanings

Characteristic

Compact Size Short Circuit Protection Overload Protection
Earth leakage protection Arc Fault Protection Short arcing
High Breaking Capacity Flame Retardant Material Complete accessories

Technical Parameters

Pole 1P+N
Rated Working Voltage Ue AC230V
Maximum frame current 40A
Rated Current In 6A,10A,16A,20A,25A,32A,40A
Rated Insulation Voltage Ui 500V
Rated impulse withstand voltage Uimp 4kV
Rated Residual Operating Current (IΔn) 10mA、30mA、100mA、300mA、
Rated Frequency 50/60Hz
Residual Current Protection Types A Type、AC Type
Rated Residual Making and Breaking Capacity (IΔm) 3000A
Tripping type Thermal-magnetic
Instantaneous Trip Type B Type、C Type
Ultimate breaking capacity Icu 6kA
Operational breaking capacity Ics 6kA
Electrical Life
Actual Average Value ≥ 3000 times
Standard Specified Value 2000 times
Mechanical Life
Actual Average Value ≥ 4000 times
Standard Specified Value In ≤ 25A 2000 times
In >25A 1000 times
Overvoltage category III
Pollution degree 3
Protection Level IP40; Wiring port IP20
Wiring Capacity 1.0~16mm²
Wiring Torque 1.5Nm
Operating Ambient Temperature -25°C~+70°C
Storage Ambient Temperature -35°C~+80°C
Installation Method DIN35
Altitude ≤ 2000m
Weight 0.16kg/Pole
Dimension
Length 110mm
Width 18mm
Height Max 79mm
Package
Pcs/Box 1
Box /Carton 60
Carton/Pallet 80
Storage The product should be stored in a well-ventilated warehouse, with relative humidity not exceeding 80%, and the ambient temperature should be between -40°C and +80°C. Additionally, there should be no acidic, alkaline, or corrosive gases present.
Standard IEC/EN61009-1、IEC/EN62606
GB/T 16917.1、GB/T31143

Derating Factor

Temperature Derating Factor Table

Temperature -30°C -25°C -20°C -15°C -10°C -5°C 0°C 5°C 10°C 15°C
Rated Operating Current Coefficient 1.242 1.223 1.204 1.182 1.161 1.143 1.127 1.103 1.079 1.063
Temperature 20°C 30°C 35°C 40°C 45°C 50°C 55°C 60°C 65°C 70°C
Rated Operating Current Coefficient 1.047 1 0.984 0.968 0.952 0.922 0.904 0.891 0.872 0.844

Altitude derating factor table

Altitude(m) 2000 3000 4000 5000
Rated working current coefficient 1 0.96 0.91 0.86
Rated operating voltage coefficient 1 1 1 1
Rated power frequency withstand voltage coefficient 1 0.9 0.82 0.71
Rated impulse withstand voltage coefficient 1 0.9 0.82 0.71
Rated limit short-circuit segment capacity and electrical life coefficient 1 0.82 0.7 0.6

Derating factor table for side-by-side installation of MCBs

No. of MCB 1 2~3 4~5 6~8 9~10
In ≤ 25A Coefficient 1 0.96 0.9 0.8 0.7
32A ≤ In ≤ 63A Coefficient 1 0.92 0.8 0.7 0.6

Tripping Characteristics

Appearance and installation dimensions

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