6kA Miniature Circuit Breaker

ETM1-63 Series Miniature Circuit Breaker is specifically designed for terminal power distribution protection in commercial office buildings, residential premises, and general industrial applications. It is suitable for circuits with AC 50/60Hz, a rated voltage of 110/240/415V, and a rated current up to 63A.

This product incorporates finger-safe combination terminals and provides contact open/close status indication, significantly enhancing operational safety. Additionally, various modular accessories can be configured to meet diverse application needs.

Breaking capacity: 6kA
Current ratings: 1A to 63A
Curves: B, C, D
Multiple termination options

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Porduct Overview

IP20 protection:
Finger protected connection terminals.
Modular accessory expansion:
Suitable for the quick and easy mounting of additional components, such as auxiliary switches and fault signal contacts.
EAN code:
The shell comes with pad printed EAN code.
Standard:
IEC 60898-1: Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations - Part 1.
IEC 60947-2: Low-voltage switchgear and controlgear -Part 2.
Multiple termination:
Both incoming and outgoing terminals are suitable for: normal cable, pin type busbars.
Contact position indication:
Reliable recognition of the switching status through red/green position indicating device.
RoHS compliant:
ETEK uses environmentally friendly state-of-the-art housing material. With the latest generation of halogen free thermoplastics for MCBs, it is now possible to recycle the MCBs completely which reduces environmental pollution. T Series entire range of circuit protection devices conform to RoHS Standards.

Product Tips

Wiring Diagram

Dimension (mm)

Technical Data

General data
Protection	Overcurrent and short circuit
Type of trip	Thermal-magnetic
No.of poles	1P,2P,3P,4P
Rated operational voltage(Ue)	1P:110/230V,120/240V,230/240V,240/415V 2P,3P,4P:230/400V,240/415V,400/415V
Rated current(In)	1,2,3,4,5,6,8,10,13,16,20,25,32,40,50,63A
Rated frequency	50/60Hz
Rated insulation voltage(Ui)	415V
Rated impulse withstand voltage(Uimp)(1.2/50μs)	6kV
Dielectric testvoltage	2KV(50/60Hz,1 min.)
Fire resistance (glow-wire test)	960±15℃(Enclosure);650±10℃(Handle)
Pollution degree	2

Data acc.to IEC/EN60898-1
Rated short-circuit capacity (lcn)	6kA
Rated service short-circuit breaking capacity (lcs)	6kA
Energy limiting class	3
Thermal tripping characteristics	1.13×In No tripping within an hour;1.45×ln Tripping within an hour
Instantaneous tripping characteristics	B:3In-5In;C:5In-10ln;D:10ln-20ln

Data acc.to IEC/EN60947-2
Rated ultimate short circuit breaking capacity lcu(kA)	6kA
Rated service short circuit breaking capacity Ics(kA)	6kA
Thermal tripping characteristics	1.05×In No tripping within an hour;1.3×ln Tripping within an hour
Instantaneous tripping characteristics	8ln-12In

Mechanical data
Electrical life	4,000 Cycles
Mechanical life	20,000 Cycles
Contact position indication	green OFF/red ON
Protection degree	IP20
Reference temperature	30℃
Operating ambient temperature(with daily average≤35℃)	-25℃~+55℃
Storage temperature	-30℃~+70℃

Installation
Terminal connection type	Cable/Pin-type/Fork-type busbar
Terminal block	Screw press-connected
Max.terminal size for cable	16mm²flexible/25mm²rigid
Max.tightening torque	2.5N.m
Mounting type	Mounting on 35mm DIN rail
Incoming method	Bi-Directional

Auxiliary for remote tripping or signaling
Auxiliary Contact	Yes
Auxiliary &Alarm Contact	Yes
Shunt Release	Yes
Shunt Release &Auxiliary Contact	Yes
Voltage Loss Release	Yes
Over-voltage Release	Yes
Undervoltage Release	Yes
Over-undervoltage Release	Yes
Mechanical Interlock	Yes

Application