Q340HH 40-Amp Three Pole 65kA Type HQP Circuit Breaker Triple pole, 40 Amp, 240V type HQP Circuit Breaker 65,000 AIC interrupting rating Siemens type HQP circuit breakers provide easy plug-in connections in Siemens enclosures Compatible with Siemens PL and ES series load centers Use for overload and short-circuit protection of your electrical system