ETC65-125 Series

Model And Meanings

Characteristic

Short Circuit Protection	Overload Protection	Earth leakage protection	Arc protection
Flame Retardant Material	High Breaking Capacity	Short arcing	Multiple Wiring Options

Breaking Characteristic Curve

Technical Parameters

Standard	EN60947-2、AS/NZS IEC 60947.2、GB/T14048.2
Pole	1P	2P	3P	4P
Rated Working Voltage Ue	230V AC/300V DC	400V AC/600V DC	400V AC/900V DC	400V AC/1200V DC
Maximum current of the shell frame	125A
Rated Current In	80A、100A、125A
Rated Insulation Voltage Ui	1200V
Rated impulse withstand voltage Uimp	8kV
Tripping Characteristic	B/C
Tripping Type	Thermomagnetic
Limiting Breaking Capacity Icu	6kA
Operational Breaking Capacity Ics	6kA

Electrical Life
Actual Average Value	1000 times
Standard Specified Value	300 times

Mechanical Life
Actual Average Value	≥ 15000 times
Standard Specified Value	9700 times
Overvoltage category	III
Pollution degree	3
Protection Level	IP40; Wiring port IP20
Resistance to high humidity and heat	Class 2
Relative humidity	≤ 95 %
Vibration-resistant	In accordance with IEC60068-2-6
Mechanical Shock Resistance Parameters	In accordance with IEC60068-2-27
Wiring Capacity	2.5~35mm²
Wiring Torque	3.0Nm
Operating Ambient Temperature	-30℃ ~ +70℃
Storage Ambient Temperature	-40℃ ~ +85℃
Installation Method	DIN35
Altitude	≤ 2000m
Weight	0.13kg/ Pole

Dimension
Length	85mm
Width	72mm(4P)、54mm(3P)、36mm(2P)、18mm(1P)
Height	Max 78mm

Technical Specifications for Auxiliary Contacts OF

Item	Parameter
Contact Breaking Capacity	AC13: Ie=3A; Ue=250V
	AC15: Ie=2A; Ue=250V
	DC12: Ie=0.5A; Ue=110V
Minimum Operating Voltage	5V
Minimum Operating Current	10mA
Rated Insulation Voltage	500V
Rated Limiting Short-circuit Current lk	1000A
Conventional Thermal Current Ith	4A
Mechanical Life	10000 times
Electrical Life	4000 times
Wiring Torque	0.3~0.8 N·m
Wiring Capacity	1×1.0~1×2.5mm²
Contact Quantity	1NO, 1NC
Operating Temperature Range	-30℃ ~ +70℃
Environmental Conditions	There should be no substances that pose an explosion hazard, nor any harmful gases or conductive dust that could corrode or damage the insulation.
Assembly Location	Left side of circuit breaker
Installation Requirements	Mounted on standard DIN35mm rail

Packaging and Storage

Current	Pole	Pcs/Box	Boxes/Carton	Cartons/Pallet	Storage Instruction
80A	1P	12	10	80	The product should be stored in a well-ventilated warehouse. Relative humidity should not exceed 80%, and the ambient temperature should be between -40℃ and +85℃. Additionally, the storage area should be free of acidic, alkaline, and corrosive gases.
80A	2P	6	10	80
80A	3P	4	10	80
80A	4P	3	10	80

Derating Factor

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

Altitude-Capacity Reduction Factor Table
Altitude (m)	2000	3000	4000	5000
Rated Operating Current Factor	1	0.96	0.91	0.86
Rated Operating Voltage Factor	1	1	1	1
Rated Power Frequency Withstand Voltage Factor	1	0.9	0.82	0.71
Rated Impulse Withstand Voltage Factor	1	0.9	0.82	0.71
Rated Ultimate Short-circuit Breaking Capacity & Electrical Endurance Factor	1	0.82	0.7	0.6

MCB Side-by-Side Installation Derating Factor Table
Number of MCBs	1	2~3	4~5	6~8	9~10
Factor for In ≤ 25A	1	0.96	0.9	0.8	0.7
Factor for 32A ≤ In ≤ 63A	1	0.92	0.8	0.7	0.6
Factor for 80A ≤ In ≤ 125A	1	0.9	0.8	0.7	/

Appearance and installation dimensions

DC wiring Diagram