Siemens B230HHNAV 2 Pole 30 Amp Type HBL Circuit Breaker Naval Bolt In

Siemens B230HHNAV is a two-pole, 30-amp, low-voltage molded‑case circuit breaker from the Type HBL family, rated for 120/240‑V AC operation at 60 Hz and designed for bolt-on (panelboard) mounting in Siemens BL/HBL installations. The NAVAL variant carries the B230HHNAV designation and provides 65 kA interrupt rating at 240 V, with a thermal/magnetic trip for fast, reliable overcurrent protection on two-pole circuits. Its compact 3 in W × 2 in H × 4 in D footprint fits standard panelboard spaces and is intended for panelboard mounting in commercial and light industrial electrical distributions, where it protects feeders and branch circuits such as lighting, receptacle banks, and small motors. The device is UL 489 listed and adheres to common electrical distribution practices for 120/240 V systems, and it is commonly used to match existing Siemens BL/HBL breakers in retrofit or replacement scenarios. Designed for 60 Hz, 120/240 V US distribution and compatible with standard panelboard enclosures, it is suitable for retrofit projects and general use in Siemens BL/HBL panel installations.