Allen-Bradley
Allen-Bradley 140G MCCB K Frame Trip Unit 4P 300A Adjustable Thermal Magnetic
Item No. 140GKTF4D30
Product Range: Moulded Case Circuit Breaker
Component Type (ETIM Class)
Power switching circuit breaker
Electrical
Rated current In300 A
Number of poles4
Type of protection trip unitThermal/magnetic release
Trip curveAdj. thermal, adj. magnetic
Frame size rating400 A
Long time overload protection adjustment range210-300 A
Instantaneous protection adjustment range1500-3000 A
Rated frequency50-60 Hz
Rated insulation voltage Ui1000 V
Dimensions
Width186 mm
Environment
Rated surrounding temperature without derating40 °C
Maximum operating temperature75 °C
Storage temperature-40...80 °C
Max. altitude before derating2000 m