Terasaki TemBreak PRO MCCB 250 Frame 50kA 3P 250A Smart Electronic***EMAIL/TEXT FOR PRICING***
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Component Type (ETIM Class)
Power switching circuit breaker
Electrical
Rated current In250 A
Number of poles3
Max. rated operation voltage Ue AC690 V
Rated ultimate short-circuit breaking capacity lcu at 415 V, 50 Hz50 kA
Rated service short-circuit breaking capacity lcs at 415 V, 50 Hz50 kA
Type of protection trip unitElectronic release
Trip curveLSIG
Frame size rating250 A
Long time overload protection adjustment range100-250 A
Position of connection for main current circuitFront side
Instantaneous protection adjustment range750-2750 A
Integrated earth fault protectionYes
Rated frequency50-60 Hz
Rated insulation voltage Ui800 V
Suitable for isolationYes
Rated short circuit breaking capacity, Icu 690V AC6 kA
Rated short circuit breaking capacity, Ics 690V AC6 kA
Short time protection adjustment range150-2500 A
Rated impulse withstand voltage Uimp8 kV
Over voltage categoryIV
Integrated energy metering functionYes
Integrated communication functionYes
Integrated zone selective interlocking functionYes
Reverse connection of supply possibleYes
AC power loss per pole at In15 W
Electrical life at Un, In (service cycles)10000 cycles
Type of electrical connection of main circuitScrew connection
Power loss45 W
Communication
Communications protocolModbus TCP via option module
Mechanical
Mechanical life (service cycles)30000 cycles
Vibration acceleration (Max)19 m/s²
Vibration frequency, operational (Max)16.7 Hz
Vibration duration (Max)12 min
Dimensions
Cable cross section (range)35-185 mm²
Height165 mm
Width105 mm
Pole connection pitch35 mm
Built-in depth68 mm
Depth (toggle included)95.5 mm
Weight1.5 kg
Environment
Pollution degree3
Rated surrounding temperature without derating50 °C
Rated temperature-5-70 °C
Maximum operating temperature70 °C
Storage temperature-10-70 °C
Allowable relative humidity0-85 %
Altitude before derating (Max)2000 m
Certificates/Approvals
StandardAS/NZS IEC 60947.2