Residual Current Circuit Breaker with Overcurrent Protection

6/10kA Residual Current Circuit Breaker with Overcurrent Protection

ETL3-40M Residual Current Circuit Breakers with Overcurrent Protection (RCBO) provide combined protection against overload, short-circuit and earth leakage faults. Designed for 400/415 V (3P+N) power systems with rated currents up to 40A, they are suitable for both residential and industrial installations.

The range offers breaking capacities of 6 kA and 10 kA and is equipped with a reliable electromagnetic trip unit for fast fault clearance.

Current ratings: 6A to 63A
Residual current types: AC, A
Sensitivity: 10, 30, 100, 300mA
Breaking capacity: 6kA (ETL3-63), 10kA (ETL3-63H)

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Porduct Overview

Voltage: 400/415V AC systems (50/60Hz)
Current range: 6A to 40A
Rated residual current: 30, 100, 300mA
Tripping curves: Type B/C available
Breaking capacity: 6kA/10kA options
Protects against overload, short circuit, and leakage faults
Electro-magnetic type
AC and A types
Bidirectional wiring capability
Visual leakage fault indication window
Transparent trip status observation port
RCBO according to IEC/EN 61009-1

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Technical Data

Technical Data
Standard	IEC/EN61009-1
Type of trip	Electro-magnetic type
Residual current type	AC type-AC residual current
Residual current type	A type -residual AC and pulsating DC current
No.of poles	3P+N
Insulation voltage(Ui)	500V
Rated voltage(Ue)	400/415V
Rated currents(In)	6,10,16,20,25,32,40A
Rated sensitivity currents(I△n)	30,100,300mA
Residual curent off-time under(I△n)	<0.3s
Rated residual making and breaking capacity (I△m)	500A
Rated frequency	50/60Hz
Rated short-circuit capacity (lcn)	ETL3-40M:6kA
Rated short-circuit capacity (lcn)	ETL3-40MH:10kA
Energy limiting class	3
Rated impulse withstand voltage(Uimp)(1.2/50μs)	4kV
Dielectric test voltage	2KV (50/60Hz,1 min.)
Fire resistance (glow-wire test)	960±15℃ (Enclosure)
Fire resistance (glow-wire test)	650±10℃ (Handle)
Thermal tripping characteristics	1.13In No tripping within an hour
Thermal tripping characteristics	1.45In Tripping within an hour
Instantaneous tripping characteristics	B:3In-5In; C:5In-10ln
Electrical life	4,000 Cycles
Mechanical life	8,000 Cycles
Contact position indicator	green OFF/red ON
Ground fault indicator	White:Normal
Ground fault indicator	Blue:Leakage fault
Protection degree	IP20
Ambient temperature	-25℃~+55℃
Storage temperature	-30℃~+70℃
Terminal connection type	Cable/Pin-type/Fork-type busbar
Max.terminal size for cable	16mm²flexible/25mm²rigid
Max.tightening torque	2.5N.m
Installation	Mounting on 35mm DIN rail
Incoming method	Bi-directional

Application