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The Fanuc A06B-6087 is an Alpha series Power Supply Module (PSM) designed to provide regulated DC bus power to Fanuc Alpha servo and spindle amplifier systems in CNC machine tool applications. The unit accepts three-phase AC input at 200 to 230 volts, 50/60 Hz through L1, L2, and L3 terminals, and supplies a DC bus output at 283 to 325 volts to connected servo and spindle amplifier modules. Front panel features include PIL and ALM status indicators, a numeric STATUS display, and a discharge time caution warning of greater than 20 minutes for the DC bus capacitors following power-down. DC bus connection points are labeled L+ and L- with a "CAUTION CHARGED" designation. Control interface connectors visible on the front panel include JX1B, CX3 (MCC), and CX4 (ESP). Output reference points on the control section include IR, IS, +24V, +5V, and 0V. The unit is housed in the standard Fanuc yellow enclosure with an external cast aluminum heat sink and an external cooling fan mounted below the main body. This PSM series is commonly paired with Fanuc Alpha spindle amplifier modules and Alpha or Alpha-i servo amplifier modules in Fanuc Series 16i, 18i, and 21i CNC control systems. Serial number and exact H-suffix variant require nameplate verification before publishing. The visible external fan assembly, large heat sink, and power cable gauge are consistent with the higher-output variants of the A06B-6087 series.
