Terasaki TemBreak PRO MCCB 250 Frame 125kA 3P 250A Adjustable Thermal Adjustable Magnetic***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 Hz125 kA
Rated service short-circuit breaking capacity lcs at 415 V, 50 Hz85 kA
Type of protection trip unitThermal/magnetic release
Trip curveAdj. thermal, adj. magnetic
Frame size rating250 A
Long time overload protection adjustment range160-250 A
Position of connection for main current circuitFront side
Instantaneous protection adjustment range1500-2500 A
Rated frequency50-60 Hz
Rated insulation voltage Ui800 V
Suitable for isolationYes
Rated short circuit breaking capacity, Icu 690V AC20 kA
Rated short circuit breaking capacity, Ics 690V AC15 kA
Rated impulse withstand voltage Uimp8 kV
Over voltage categoryIV
Reverse connection of supply possibleYes
AC power loss per pole at In25 W
Electrical life at Un, In (service cycles)10000 cycles
Type of electrical connection of main circuitBolt connection
Power loss75 W
Mechanical
Mechanical life (service cycles)20000 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 depth103 mm
Depth (toggle included)127 mm
Weight2.4 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