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MEASURE the amount of overcurrent
Beam Spread
Ultra-rugged polycarbonate & synthetic neoprene rubber that will not dry rot
interrupting ratings
making it ideal for residential
USBB1PH25K4 | Mersen Single-Phase Bus Bar System, 4 Pole Siemens electrical equipment MEASURE the amount of overcurrentThe Mersen USBB1PH25K4 is a 4 pole single phase bus bar from the UltraSafe USBB system line, engineered for reliable and compact power distribution across modular fuse holder assemblies. Designed for 25 mm conductors, it delivers efficient electrical connections with high mechanical strength and UL rated safety performance. Ideal for industrial panels, switchboards, and control cabinets requiring clean and organized power feed solutions. Highlights