The ABB TMP3FB6R is a modular metering main fusible switch designed for reliable power distribution. This heavy-duty switch handles up to 600 amps and uses Class T fuses for high interrupting capacity—perfect for demanding industrial setups. It supports both 3-phase, 4-wire 208Y/120V AC systems and single-phase, 3-wire 120/240V AC configurations. With bottom feed design and line and load lugs accommodating wire sizes from 3/0 AWG up to 750 MCM, it’s built to handle serious electrical loads without breaking a sweat. The unit also features a 100 kA interrupting rating, ensuring safety and durability under fault conditions. Distributed by BSP Automation, this switch is a solid choice when you need a dependable main fusible switch that won’t quit on you.