NIB – Siemens – HEB2B030B – 30A 2-Pole Low Voltage Circuit Breaker, Heb2B030B It features a high breaking capacity and is UL listed. Amperage: 30A. Trip Unit: Thermal-Magnetic. Load Side Lugs Only (TA1EG10). Breaking Capacity Wire Range: 8. byJuly 3, 2026