DIY installation instructions are included in the box.
This product is made for plug installation. BQL DOUBLE POLE VOLTAGE BREAKERS, FUNCTIONING WITHIN THE 120-240V RANGE, EXHIBIT A BOLT-ON DESIGN, AND THEY ARE UNIQUELY TAILORED TO FIT SEAMLESSLY INTO QL OR QM SERIES PANELS, WITH NO POTENTIAL FOR INTERCHANGEABILITY BETWEEN DIFFERENT PANEL LINES. INTENDED FOR 120-240V VOLTAGE LEVELS, THE BQL BREAKERS COME WITH A DOUBLE POLE CONFIGURATION AND REQUIRE BOLT-ON INSTALLATION, ENSURING A SECURE CONNECTION IN COMPATIBLE QL OR QM SERIES PANELS. THE BQL DOUBLE POLE VOLTAGE BREAKERS, RATED AT 120-240V, ARE DESIGNED FOR BOLT-ON INSTALLATION AND CAN ONLY BE USED WITH QL OR QM SERIES PANELS, WITHOUT COMPATIBILITY ACROSS DIFFERENT TYPES.