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The MERSEN 20328R is a 3-pole fuse block rated for 30 amps and 250 volts, designed to provide a secure, serviceable fuse mounting point in electrical distribution and control panel applications. Fuse blocks of this type accept standard class fuses and provide a safe, code-compliant method of overcurrent protection for circuits requiring individual phase isolation. Licensed electricians and industrial maintenance technicians install this type of component during panel builds, equipment retrofits, and service upgrades where reliable fuse access and replacement are essential.
This fuse block is suited for use in light commercial and industrial electrical panels, motor control centers, and equipment enclosures where three-phase or multi-pole fused disconnection is required. Its 30-amp, 250-volt rating covers a wide range of branch circuit and load protection scenarios commonly encountered in trade electrical work.
Designed as an OEM-style replacement or new-installation fuse block for electrical panels and control enclosures requiring a 30-amp, 250-volt, 3-pole fused mounting solution.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize and lock out the circuit before mounting or servicing the fuse block. Verify that the fuse type and ampere rating installed in the block match the circuit requirements and are within the block's rated specifications.
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