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PortuguêsMain circuit protection in residential distribution systems
ETM1-63X Series Miniature Circuit Breaker is specifically designed for terminal power distribution protection in commercial office buildings, residential premises, and general industrial applications.
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.
General data |
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Protection
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Overcurrent and short circuit
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Type of trip
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Thermal-magnetic
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No. of poles
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1P, 2P, 3P, 4P
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Rated operational voltage (Ue)
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1P: 2110/230V, 120/240V, 230/400V, 240/415V
2P,3P,4P: 230/400V, 240/415V, 400/415V
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Rated current (In)
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1, 2, 3, 4, 5, 6, 8, 10, 13, 16, 20, 25, 32, 40, 50, 63A
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Rated frequency
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50/60Hz
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Rated insulation voltage (Ui)
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415V
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Rated impulse withstand voltage (Uimp) (1.2/50μs)
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6kV
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Dielectric test voltage
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2kV (50/60Hz,1 min.)
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Fire resistance (glow-wire test)
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960±15°C (Enclosure); 650±10°C (Handle)
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Pollution degree
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2
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Data acc. to IEC/EN 60898-1 |
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Rated short-circuit capacity (Icn)
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6kA |
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Rated service short-circuit breaking capacity (Ics)
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6kA |
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Energy limiting class
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3 |
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Thermal tripping characteristics
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1.13×In No tripping within an hour; 1.45×In Tripping within an hour
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Instantaneous tripping characteristics
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B: 3In-5In; C: 5In-10In; D: 10In-20In
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Mechanical data |
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Electrical life
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4,000 Cycles
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Mechanical life
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20,000 Cycles
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Contact position indication
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green OFF / red ON
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Protection degree
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IP20
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Reference temperature
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30°C
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Operating ambient temperature (with daily average≤35°C)
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-25°C ~ +55°C
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Storage temperature
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-30°C ~ +70°C
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Installation |
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Terminal connection type
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Cable/ Pin-type
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Terminal block
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Screw press-connected
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Max. terminal size for cable
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16mm² flexible/ 25mm² rigid
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Max. tightening torque
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2.5N.m
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Mounting type
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Mounting on 35mm DIN rail
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Incoming method
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Bi-Directional
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Auxiliary for remote tripping or signaling |
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Auxiliary Contact
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Yes |
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Auxiliary & Alarm Contact
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Yes |
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Shunt Release
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Yes |
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Shunt Release & Auxiliary Contact
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Yes |
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Voltage Loss Release
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Yes |
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Over-voltage Release
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Yes |
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Undervoltage Release
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Yes |
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Over-undervoltage Release
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Yes |
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Mechanical Interlock
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Yes |
