AC Voltage Rating: 240 VAC , AIC Rating: 10kAIC@240V , Circuit Breaker Type: Standard , DC Voltage Rating: Not Rated , Frame Size: 250A/QB , Frame Type: QBL , Height: 6.5" , Max. Wire Size: 300 kcmil , Min. Wire Size: 4 AWG , Mounting: Free Standing , Terminal Connection: Lug , Trip Type: Thermal Magnetic
QBL Series Circuit Breakers
Square D QBL Series circuit breakers feature a PowerPact Q frame for overcurrent protection and switching On AC systems. These circuit breakers feature a thermal-magnetic trip mechanism that overrides mild currents while instantly responding to heavy fluctuations. They are built in accordance with UL Standard 489 and NEMA Standard AB-1-1999. These circuit breakers feature an over-centre toggle mechanism with a trip-free action to provide quick make and break operation. The integral push-to-trip button in the cover enables the user to manually trip the circuit breaker. Raptor Supplies offers a huge variety of these circuit breakers in 2 and 3 pole configurations.