Bolt on breaker are mainly used in commercial to light industrial application
GE Industrial
B120HSiemensMolded CaseBL SeriesBLH1 Phase1 Pole240 Volt20 AmpBolt-OnThermal Magnetic(LI) Long-Time and Instantaneous22kA@240VDepending on the item
BD Series Duplex Breaker
LOAD TERMINAL
Plug In Circuit Breaker 2P 15 Amp 120/240VAC/48VDC Bolt on breaker are mainly' Plug In Circuit Breaker, Amps 15, Number of Poles 2, Circuit Breaker Type Standard, AC Voltage Rating 120 240VAC, DC Voltage Rating 48VDC, For Use With QO Load Centers and NQOD Panelboards, Series QO, Terminal Connection Screw Clamp, Min. Wire Size 14 AWG, Max. Wire Size 8 AWG, Length 3. 00 In., Width 1. 50 In., Depth 2. 91 In., Standards UL Listed, CSA Certified, HACR, Max. AIR Rating 10kA '