Terasaki TemBreak PRO MCCB 250 Frame 25kA 4P 250A Adj. Thermal Adj. Magnetic***EMAIL/TEXT FOR PRICING***
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Component Type (ETIM Class)
Power switching circuit breaker
Electrical
Rated current In250 A
Number of poles4
Max. rated operation voltage Ue AC525 V
Rated ultimate short-circuit breaking capacity lcu at 415 V, 50 Hz25 kA
Rated service short-circuit breaking capacity lcs at 415 V, 50 Hz19 kA
Type of protection trip unitThermal/magnetic release
Trip curveAdj. thermal, adj. magnetic
Frame size rating250 A
Long time overload protection adjustment range158-250 A
Position of connection for main current circuitFront side
Instantaneous protection adjustment range1250-2750 A
Rated frequency50-60 Hz
Rated insulation voltage Ui690 V
Suitable for isolationYes
Rated impulse withstand voltage Uimp8 kV
Over voltage categoryIV
Reverse connection of supply possibleYes
AC power loss per pole at In16 W
Electrical life at Un, In (service cycles)6000 cycles
Type of electrical connection of main circuitScrew connection
Power loss48 W
Mechanical
DIN rail (top hat rail) mounting optionalYes
Mechanical life (service cycles)18000 cycles
Max. vibration acceleration19 m/s²
Max. vibration frequency, operational16.7 Hz
Max. vibration duration12 min
Dimensions
Cable cross section (range)35-185 mm²
Height165 mm
Width140 mm
Pole connection pitch35 mm
Built-in depth68 mm
Depth (toggle included)95.5 mm
Weight1.9 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 %
Max. altitude before derating2000 m
Certificates/Approvals
StandardAS/NZS IEC 60947.2